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Laird M Close

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1990 …2024

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  • 2024

    Adaptive Optics Development at the Giant Magellan Telescope: Recent Progress

    Demers, R., Quiros-Pacheco, F., Schurter, P., Xin, B., Haddad, J. P., Molgo, J., Schoenell, W., Conan, R., Romano, R., Bouchez, A., van Dam, M. A., Catropa, D., Kansky, J., McLeod, B., McMuldroch, S., Podgorski, W., Witinski, M., Close, L., Gasho, V. & Haffert, S. & 18 others, Hedglen, A., Kautz, M., Males, J., Plantet, C., Puglisi, A., Rossi, F., Cheffot, A. L., Azzaroli, N., Carbonaro, L., Lapucci, T., Pinna, E., Esposito, S., d’Orgeville, C., Rey, N. M., Travouillon, T., Nemati, B., Gonzalez, G. & Nissen, J., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309723. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    4 Scopus citations

  • Challenge of direct imaging of exoplanets within structures: disentangling real signal from point source from background light

    Li, J., Close, L. M., Males, J. R., Haffert, S. Y., Weinberger, A., Follette, K., Wagner, K., Apai, D., Wu, Y. L., Long, J. D., Perez, L., Pearce, L. A., Kueny, J. K., McEwen, E. A., Van Gorkom, K., Guyon, O., Kautz, M. Y., Hedglen, A. D., Foster, W. B. & Roberts, R. & 2 others, Lumbres, J. & Schatz, L., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309714. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    1 Scopus citations

  • Emerging adaptive optics facility at Large Binocular Telescope Observatory

    Ragland, S., Brusa, G., Cavallaro, A., Choi, H., Guerra, J. C., Herbst, T., Lefebvre, M., Miller, D., Pedichini, F., Power, J., Shields, J., Smithwright, M., Taylor, G., Veillet, C., Zhang, X., Biasi, R., Conrad, A., Close, L., Esposito, S. & Gallieni, D. & 18 others, Masciadri, E., Mechtley, B., Peretz, E., Pinna, E., Ragazzoni, R., Rossi, F., Agapito, G., Bec, M., Bergomi, M., Bertram, T., Briegel, F., Farinato, J., Hill, J., Kim, D., Marafatto, L., Piazzesi, R., Radhakrishnan, K. & Riccardi, A., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 130970L. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    4 Scopus citations

  • G@M: Coupling the G-CLEF Spectrograph to the Magellan Telescope

    Rimalt, Y. S., Ben-Ami, S., Szentgyorgyi, A., Hershko, O., Bichkovsky, A., Serge, E., Mueller, M., Onyuksel, C., Jurgenson, C., Podgorski, W., Close, L. & Males, J., 2024, Ground-Based and Airborne Instrumentation for Astronomy X. Bryant, J. J., Motohara, K. & Vernet, J. R. (eds.). SPIE, 130964N. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13096).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    2 Scopus citations

  • High-contrast Imaging at First Light of the GMT: Optimized coatings enabling high-throughput observations for GMagAO-X

    Ashcraft, J. N., Haffert, S. Y., Close, L., Durney, O., Males, J. & Kautz, M., 2024, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation VI. Navarro, R. & Jedamzik, R. (eds.). SPIE, 1310065. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13100).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    1 Scopus citations

  • High-contrast imaging at first-light of the GMT: The PDR optical and mechanical design for the GMagAO-X ExAO system and results from the HCAT testbed with an HDFS phased parallel DM prototype

    Close, L. M., Durney, O., Males, J. R., Kautz, M. Y., Haffert, S. Y., Fletcher, A., Hedglen, A. D., Gasho, V., McLeod, A., Sullivan, M., Guyon, O., Noenickx, J., Kelly, D. & Ford, J., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309726. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    3 Scopus citations

  • High-contrast imaging at first-light of the GMT: the wavefront sensing and control architecture of GMagAO-X

    Haffert, S. Y., Males, J. R., Close, L. M., Kautz, M. Y., Durney, O. & Guyon, O., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309758. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    1 Scopus citations

  • High-Contrast Imaging at First-Light of the GMT: The Preliminary Design of GMagAO-X

    Males, J. R., Close, L. M., Haffert, S. Y., Kautz, M. Y., Kelly, D., Fletcher, A., Salanski, T., Durney, O., Noenickx, J., Ford, J., Gasho, V., Pearce, L., Kueny, J., Guyon, O., Weinberger, A., Bowler, B., Kraus, A. & Batalha, N., 2024, Ground-Based and Airborne Instrumentation for Astronomy X. Bryant, J. J., Motohara, K. & Vernet, J. R. (eds.). SPIE, 130960Y. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13096).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Improving Coronagraphic Performance with Active Atmospheric Dispersion Control on MagAO-X

    Twitchell, K., Haffert, S. Y., Males, J. R., Close, L. M., Guyon, O., Van Gorkom, K., Hedglen, A., Kautz, M., Kueny, J., McEwen, E. A., Li, J., Long, J. D., Lumbres, J. & Schatz, L., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309741. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    1 Scopus citations

  • Innovations in the design and construction of the GMT-Consortium Large Earth Finder (G-CLEF), a first-light instrument for the Giant Magellan Telescope (GMT)

    Szentgyorgyi, A., Ben-Ami, S., Oh, J. S., Park, C., Baldwin, D., Bean, J., Bichkovsky, A., Brennan, P., Catropa, D., Chou, C. Y., Chun, M. Y., Close, L., Crane, J. D., Doherty, P., Durusky, D., Eastman, J., Epps, H., Evans, I. N., Hartmann, V. & Hershko, O. & 32 others, Jang, B. H., Jang, J. G., Jeong, U., Jordan, A., Jurgenson, C., Kansky, J., Kim, J., Kim, K. M., Kim, S., Kim, Y., Lee, S., Leung, M., Ling, H. H., Lupinari, H., Males, J. R., McCracken, K., Mendes de Oliveira, C., Millan-Gabet, R., Mueller, M., Oh, H., Onyuksel, C., Park, B. G., Park, S. J., Park, W., Podgorski, W., Seifahrt, A., Smith, M., Sofer-Rimalt, Y., Wang, S. Y., Unger, A., Uomoto, A. & Yu, Y. S., 2024, Ground-Based and Airborne Instrumentation for Astronomy X. Bryant, J. J., Motohara, K. & Vernet, J. R. (eds.). SPIE, 130960Z. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13096).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    7 Scopus citations

  • Integration and test of the Natural Guide star Wavefront Sensor Prototype for the Giant Magellan Telescope: the pyramid sensor

    Plantet, C., Cheffot, A. L., Esposito, S., Azzaroli, N., Rossi, F., Puglisi, A., Lapucci, T., Carbonaro, L., Pinna, E., Quirós-Pacheco, F., Bouchez, A., Schurter, P., Xin, B., Haddad, J. P., Molgo, J., Schoenell, W., Demers, R., Close, L., Haffert, S. & Kautz, M. & 2 others, Males, J. & Gasho, V., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309757. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    5 Scopus citations

  • MagAO-X: Commissioning Results and Status of Ongoing Upgrades

    Males, J. R., Close, L. M., Haffert, S. Y., Kautz, M. Y., Kueny, J., Long, J. D., McEwen, E., Swimmer, N., Bailey, J. I., Foster, W., Mazin, B. A., Pearce, L., Liberman, J., Twitchell, K., Weinberger, A. J., Guyon, O., Hedglen, A. D., McLeod, A., Roberts, R. & Van Gorkom, K. & 3 others, Li, J., Doty, I. & Gasho, V., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309709. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    4 Scopus citations

  • MagAO-X Phase II Upgrades: Implementation and First On-Sky Results of a New Post-AO 1000 Actuator Deformable Mirror

    Kueny, J. K., Van Gorkom, K., Kautz, M., Haffert, S., Males, J. R., Hedglen, A., Close, L., McEwen, E., Li, J., Long, J. D., Foster, W., Pearce, L., McLeod, A., Lumbres, J., Schatz, L., Guyon, O. & Liberman, J., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309761. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    1 Scopus citations

  • More data than you want, fewer data than you need: machine learning approaches to starlight subtraction with MagAO-X

    Long, J. D., Males, J. R., Close, L. M., Guyon, O., Haffert, S. Y., Weinberger, A. J., Kueny, J., Van Gorkom, K., McEwen, E., Pearce, L., Kautz, M., Li, J., Lumbres, J., Hedglen, A., Schatz, L., McLeod, A., Doty, I., Foster, W. B., Roberts, R. & Twitchell, K., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 130972X. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    1 Scopus citations

  • On-sky, real-time optical gain calibration on MagAO-X using incoherent speckles

    McEwen, E. A., Males, J. R., Guyon, O., Haffert, S. Y., Long, J. D., Close, L. M., Van Gorkom, K., Lumbres, J., Hedglen, A. D., Schatz, L., Kautz, M. Y., Pearce, L. A., Kueny, J., McLeod, A. L., Foster, W. B., Li, J., Roberts, R. & Weinburger, A. J., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 130970U. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    1 Scopus citations

  • SHARK-NIR commissioning and early science runs

    Barbato, D., Farinato, J., Baruffolo, A., Bergomi, M., Bianco, A., Biondi, F., Briegel, F., Carolo, E., Cerpelloni, P., Carlotti, A., Chinellato, S., Conrad, A., De Pascale, M., Di Filippo, S., Dima, M., D'Orazi, V., Ertel, S., Machado, T. S. G., Greggio, D. & Guerra, J. C. & 41 others, Henning, T., Hom, J., Hill, J. M., Laudisio, F., Lessio, L., Lorenzetto, A., Magrin, D., Marafatto, L., Mesa, D., Miller, D., Mohr, L., Montoya, M., Power, J., Radhakrishnan, K., Ricci, D., Umbriaco, G., Vassallo, D., Viotto, V., Taylor, G., Zanutta, A., Anche, R. M., Antoniucci, S., Arcidiacono, C., Bacciotti, F., Baudoz, P., Bongiorno, A., Close, L., Esposito, S., Grenz, P., Guyon, O., Leisenring, J. M., Pedichini, F., Piazzesi, R., Pinna, E., Portaluri, E., Puglisi, A., Ragazzoni, R., Rodeghiero, G., Rossi, F., Shields, J. V. & Pallauta, M. V., 2024, Ground-Based and Airborne Instrumentation for Astronomy X. Bryant, J. J., Motohara, K. & Vernet, J. R. (eds.). SPIE, 130961W. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13096).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    1 Scopus citations

  • Software Development and Integration of an Adaptive-Optics Testbed using the Giant Magellan Telescope Software Frameworks

    Molgó, J., Schoenell, W., Filgueira, J. M., Quirós-Pacheco, F., Puglisi, A., Rossi, F., Lapucci, T., Bouchez, A., Xin, B., Schurter, P., Demers, R., Close, L., Haffert, S., Kautz, M., Males, J., Cox, M., Soto, J., Peng, C., Swett, H. & Contaxis, C. & 3 others, Barrios, J., El-Halabi, G. & Silva, P. H., 2024, Software and Cyberinfrastructure for Astronomy VIII. Ibsen, J. & Chiozzi, G. (eds.). SPIE, 131011Y. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13101).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    2 Scopus citations

  • The Giant Magellan Telescope’s High Contrast Adaptive Optics Testbed: NGAO wavefront sensing and control laboratory results

    Quirós-Pacheco, F., Bouchez, A., Plantet, C., Xin, B., Molgo, J., Schoenell, W., Puglisi, A., Rossi, F., Schurter, P., Haddad, J. P., Demers, R., Esposito, S., Cheffot, A. L., Azzaroli, N., Carbonaro, L., Lapucci, T., Pinna, E., Close, L., Haffert, S. & Kautz, M. & 5 others, Males, J., McLeod, A., Hedglen, A., Gasho, V. & van Dam, M., 2024, Adaptive Optics Systems IX. Jackson, K. J., Schmidt, D. & Vernet, E. (eds.). SPIE, 1309725. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13097).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    6 Scopus citations
  • 2023

    Approaches to lowering the cost of large space telescopes

    Douglas, E. S., Aldering, G., Allan, G. W., Anche, R., Angel, R., Ard, C. C., Chakrabarti, S., Close, L. M., Derby, K., Edelstein, J., Ford, J., Gersh-Range, J., Haffert, S. Y., Ingraham, P. J., Kang, H., Kelly, D. M., Kim, D., Lesser, M., Leisenring, J. M. & Lin, Y. C. & 9 others, Males, J. R., Martin, B., Payan, B. A., Sai Krishanth, P. M., Rubin, D., Selznick, S., Van Gorkom, K., Jannuzi, B. T. & Perlmutter, S., 2023, Astronomical Optics: Design, Manufacture, and Test of Space and Ground Systems IV. Hull, T. B., Kim, D. & Hallibert, P. (eds.). SPIE, 126770D. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12677).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access
    3 Scopus citations
  • 2022

    Advanced wavefront sensing and control demonstration with MagAO-X

    Haffert, S. Y., Males, J. R., Van Gorkom, K., Close, L. M., Long, J. D., Hedglen, A. D., Ahn, K., Guyon, O., Schatz, L., Kautz, M., Lumbres, J., Rodack, A., Knight, J. M., Sun, H., Fogarty, K. & Miller, K., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 1218581. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access
    10 Scopus citations

  • A Novel Hexpyramid Pupil Slicer for an ExAO Parallel DM for the Giant Magellan Telescope

    Kautz, M., Close, L. M., Hedglen, A., Haffert, S., Males, J. R. & Coronado, F., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 121854G. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access
    9 Scopus citations

  • First lab results of segment/petal phasing with a pyramid wavefront sensor and a novel holographic dispersed fringe sensor (HDFS) from the Giant Magellan Telescope high contrast adaptive optics phasing testbed

    Hedglen, A. D., Close, L. M., Haffert, S. Y., Males, J. R., Kautz, M., Bouchez, A. H., Demers, R., Quirós-Pacheco, F., Sitarski, B. N., Guyon, O., Van Gorkom, K., Long, J. D., Lumbres, J., Schatz, L., Miller, K., Rodack, A. & Knight, J. M., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 1218516. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    12 Scopus citations

  • MagAO-X: current status and plans for Phase II

    Males, J. R., Close, L. M., Haffert, S., Long, J. D., Hedglen, A. D., Pearce, L., Weinberger, A. J., Guyon, O., Knight, J. M., McLeod, A., Kautz, M., Van Gorkom, K., Lumbres, J., Schatz, L., Rodack, A., Gasho, V., Kueny, J. & Foster, W., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 1218509. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access
    18 Scopus citations

  • Phasing the Segmented Giant Magellan Telescope: Progress in Testbeds and Prototypes

    Demers, R., Bouchez, A., Quiros-Pacheco, F., Schurter, P., Sitarski, B., van Dam, M. A., Catropa, D., Kansky, J., McLeod, B., McMuldroch, S., Podgorski, B., Close, L., Gasho, V., Haffert, S., Hedglen, A., Kautz, M., Males, J., Agapito, G., Azzaroli, N. & Carbonaro, L. & 9 others, Cheffot, A. L., Esposito, S., Lapucci, T., Pinna, E., Plantet, C., Puglisi, A., Rossi, F., Gonzalez, G. & Nemati, B., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 1218518. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    10 Scopus citations

  • Science Instrumentation Progress at the Giant Magellan Telescope

    Millan-Gabet, R., Bernstein, R. A., Souza, A., Walls, B., Bouchez, A., Sitarski, B., Szentgyorgyi, A., McMuldroch, S., Fabricant, D., Ribero, R. A. S., Sharp, R., Mace, G., Brooks, C. B., Jaffe, D. T., Lawrence, J., Saavedra, C., Crane, J., Uomoto, A., Close, L. & Males, J., 2022, Ground-based and Airborne Instrumentation for Astronomy IX. Evans, C. J., Bryant, J. J. & Motohara, K. (eds.). SPIE, 121841Y. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12184).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    8 Scopus citations

  • SHARK-NIR, ready to “swim” in the LBT northern hemisphere “ocean”

    Farinato, J., Baruffolo, A., Bergomi, M., Bianco, A., Biondi, F., Briegel, F., Carolo, E., Carlotti, A., Chavan, S., Chinellato, S., De Pascale, M., Dima, M., D'Orazi, V., Ertel, S., Greggio, D., Henning, T., Laudisio, F., Lessio, L., Magrin, D. & Marafatto, L. & 28 others, Mesa, D., Mohr, L., Montoya, M., Radhakrishnan, K., Ricci, D., Umbriaco, G., Vassallo, D., Viotto, V., Zanutta, A., Antoniucci, S., Arcidiacono, C., Bacciotti, F., Baudoz, P., Bongiorno, A., Close, L., Di Filippo, S., Don, K., Esposito, S., Grenz, P., Guyon, O., Leisenring, J. M., Pedichini, F., Piazzesi, R., Pinna, E., Portaluri, E., Puglisi, A., Ragazzoni, R. & Rossi, F., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 1218522. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    8 Scopus citations

  • The conceptual design of GMagAO-X: visible wavelength high contrast imaging with GMT

    Males, J. R., Close, L. M., Haffert, S. Y., Guyon, O., Gasho, V., Coronado, F., Durney, O., Hedglen, A., Kautz, M., Noenickx, J., Ford, J., Connors, T. & Kelly, D., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 121854J. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access
    16 Scopus citations

  • The Optical and Mechanical Design for the 21,000 Actuator ExAO System for the Giant Magellan Telescope: GMagAO-X

    Close, L. M., Males, J. R., Durney, O., Coronado, F., Haffert, S. Y., Gasho, V., Hedglen, A., Kautz, M. Y., Connors, T. E., Sullivan, M., Guyon, O. & Noenickx, J., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 1218524. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access
    12 Scopus citations

  • Tolerance analysis of a self-coherent camera for wavefront sensing and dark hole maintenance

    Derby, K. Z., Haffert, S., Ashcraft, J., Milani, K., Choi, H., Kim, Y., Close, L., Mendillo, C., Chakrabarti, S., Allan, G., Pogorelyuk, L., Cahoy, K., N'Diaye, M., Kim, D., Males, J. & Douglas, E., 2022, Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave. Coyle, L. E., Matsuura, S. & Perrin, M. D. (eds.). SPIE, 1218069. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12180).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    2 Scopus citations

  • Visible extreme adaptive optics for GMagAO-X with the triple-stage AO architecture (TSAO)

    Haffert, S. Y., Males, J. R., Close, L. M., Guyon, O., Hedglen, A. & Kautz, M., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 121853D. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access
    7 Scopus citations

  • XPipeline: Starlight subtraction at scale for MagAO-X

    Long, J. D., Males, J. R., Haffert, S. Y., Close, L. M., Morzinski, K. M., Van Gorkom, K., Lumbres, J., Foster, W., Hedglen, A., Kautz, M., Rodack, A., Schatz, L., Miller, K., Doelman, D., Bos, S., Kenworthy, M. A., Snik, F. & Otten, G. P. P. L., 2022, Adaptive Optics Systems VIII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 121853P. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12185).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access
  • 2021

    Data-driven subspace predictive control: Lab demonstration and future outlook

    Haffert, S. Y., Males, J. R., Close, L., Long, J., Schatz, L., Van Gorkom, K., Hedglen, A., Lumbres, J., Rodack, A., Guyon, O., Knight, J., Sun, H. & Fogarty, K., 2021, Techniques and Instrumentation for Detection of Exoplanets X. Shaklan, S. B. & Ruane, G. J. (eds.). SPIE, 1182306. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11823).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access
    8 Scopus citations

  • Imaging low-mass planets within the habitable zones of nearby stars with ground-based mid-infrared imaging

    Wagner, K., Ertel, S., Stone, J., Leisenring, J., Apai, D., Kasper, M., Absil, O., Close, L., Defrère, D., Guyon, O. & Males, J., 2021, Techniques and Instrumentation for Detection of Exoplanets X. Shaklan, S. B. & Ruane, G. J. (eds.). SPIE, 118230G. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11823).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    4 Scopus citations
  • 2020

    A direct measurement of atmospheric dispersion in N-band spectra: Implications for mid-IR systems on ELTs

    Skemer, A. J., Hinz, P. M., Hoffmann, W. F., Close, L. M., Kendrew, S., Mathar, R. J., Stuik, R., Greene, T. P., Woodward, C. E. & Kelley, M. S., 2020, 1st AO4ELT Conference - Adaptive Optics for Extremely Large Telescopes. Clenet, Y., Conan, J.-M., Fusco, T. & Rousset, G. (eds.). EDP Sciences, 05019. (1st AO4ELT Conference - Adaptive Optics for Extremely Large Telescopes).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access

  • MagAO-X first light

    Males, J. R., Close, L. M., Guyon, O., Hedglen, A. D., Van Gorkom, K., Long, J. D., Kautz, M., Lumbres, J., Schatz, L., Rodack, A., Miller, K., Doelman, D., Snik, F., Bos, S., Knight, J. M., Morzinski, K., Gasho, V., Keller, C., Haffert, S. & Pearce, L., 2020, Adaptive Optics Systems VII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 114484L. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11448).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    26 Scopus citations

  • Multi-core fibre-fed integral-field unit (MCIFU): Overview and first-light

    Haffert, S. Y., Harris, R. J., Zanutta, A., Pike, F. A., Bianco, A., Redaelli, E., Benoît, A., MacLachlan, D. G., Ross, C. A., Gris-Sánchez, I., Trappen, M. D., Xu, Y., Blaicher, M., Maier, P., Riva, G., Sinquin, B., Kulcsár, C., Bharmal, N. A., Gendron, E. & Staykov, L. & 16 others, Morris, T. J., Barboza, S., Muench, N., Bardour, L., Prengère, L., Raynaud, H. F., Hottinger, P., Anagnos, T., Osborn, J., Koos, C., Thompson, R. R., Birks, T. A., Snellen, I. A. G., Keller, C. U., Close, L. & Males, J. R., 2020, Adaptive Optics Systems VII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 114484M. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11448).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access
    7 Scopus citations

  • Prediction of the planet yield of the MaxProtoPlanetS high-contrast survey for H-alpha protoplanets with MagAO-X based on first light contrasts

    Close, L. M., Males, J., Long, J. D., Van Gorkom, K., Hedglen, A. D., Kautz, M., Lumbres, J., Haffert, S. Y., Follette, K., Wagner, K., Miller, K., Apai, D., Wu, Y. L., Guyon, O., Schatz, L., Rodack, A., Doelman, D., Snik, F., Knight, J. M. & Morzinski, K. & 6 others, Gasho, V., Keller, C., Pearce, L., Weinberger, A., Pérez, L. & Doyon, R., 2020, Adaptive Optics Systems VII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 114480U. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11448).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    7 Scopus citations

  • SHARK-NIR, toward the installation at the Large Binocular Telescope

    Marafatto, L., Bergomi, M., Biondi, F., Carolo, E., De Pascale, M., Greggio, D., Lessio, L., Mesa, D., Santhakumari, K. K. R., Umbriaco, G., Vassallo, D., Viotto, V., Bianco, A., Dima, M., D'Orazi, V., Grenz, P., Leisenring, J. M., Mohr, L., Montoya, M. & Zanutta, A. & 22 others, Antoniucci, S., Arcidiacono, C., Bacciotti, F., Baffa, C., Baruffolo, A., Bongiorno, A., Carlotti, A., Chinellato, S., Close, L., Di Filippo, S., Esposito, S., Farisato, G., Guyon, O., Hinz, P., Magrin, D., Pedichini, F., Pinna, E., Portaluri, E., Puglisi, A., Ragazzoni, R., Rossi, F. & Farinato, J., 2020, Adaptive Optics Systems VII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 114481M. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11448).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    3 Scopus citations

  • The Giant Magellan Telescope high contrast phasing testbed

    Hedglen, A. D., Close, L. M., Bouchez, A. H., Males, J. R., Demers, R., Kautz, M., Basant, R., Parkinson, M., Gasho, V., Quirós-Pacheco, F. & Sitarski, B. N., 2020, Adaptive Optics Systems VII. Schreiber, L., Schmidt, D. & Vernet, E. (eds.). SPIE, 114482X. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11448).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    6 Scopus citations
  • 2018

    A locking clamp that enables high thermal and vibrational stability for kinematic optical mounts

    Kautz, M., Close, L. M. & Males, J. R., 2018, Adaptive Optics Systems VI. Schmidt, D., Schreiber, L. & Close, L. M. (eds.). SPIE, 107032Q. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10703).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    8 Scopus citations

  • Design of the MagAO-X pyramid wavefront sensor

    Schatz, L. H., Males, J. R., Close, L. M., Durney, O., Guyon, O., Hart, M., Lumbres, J., Miller, K., Knight, J., Rodack, A. T., Long, J. D., Van Gorkom, K., Jean, M. & Kautz, M., 2018, Adaptive Optics Systems VI. Schmidt, D., Schreiber, L. & Close, L. M. (eds.). SPIE, 1070321. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10703).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    5 Scopus citations

  • Focal plane wavefront sensing and control strategies for high-contrast imaging on the MagAO-X instrument

    Miller, K., Males, J. R., Guyon, O., Close, L. M., Doelman, D., Snik, F., Por, E., Wilby, M. J., Bohlman, C., Lumbres, J., Van Gorkom, K., Kautz, M., Rodack, A., Knight, J., Jovanovic, N., Morzinski, K. & Schatz, L., 2018, Adaptive Optics Systems VI. Schmidt, D., Schreiber, L. & Close, L. M. (eds.). SPIE, 107031T. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10703).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access
    7 Scopus citations

  • MagAO-X: Project status and first laboratory results

    Males, J. R., Close, L. M., Miller, K., Schatz, L., Doelman, D., Lumbres, J., Snik, F., Rodack, A., Knight, J., Van Gorkom, K., Long, J. D., Hedglen, A., Kautz, M., Jovanovic, N., Morzinski, K., Guyon, O., Douglas, E., Follette, K. B., Lozi, J. & Bohlman, C. & 15 others, Durney, O., Gasho, V., Hinz, P., Ireland, M., Jean, M., Keller, C., Kenworthy, M., Mazin, B., Noenickx, J., Alfred, D., Perez, K., Sanchez, A., Sauve, C., Weinberger, A. & Conrad, A., 2018, Adaptive Optics Systems VI. Schmidt, D., Schreiber, L. & Close, L. M. (eds.). SPIE, 1070309. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10703).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access
    82 Scopus citations

  • Modeling coronagraphic extreme wavefront control systems for high contrast imaging in ground and space telescope missions

    Lumbres, J., Males, J., Douglas, E., Close, L., Guyon, O., Cahoy, K., Carlton, A., Clark, J., Doelman, D., Feinberg, L., Knight, J., Marlow, W., Miller, K., Morzinski, K., Por, E., Rodack, A., Schatz, L., Snik, F., Van Gorkom, K. & Wilby, M., 2018, Adaptive Optics Systems VI. Schmidt, D., Schreiber, L. & Close, L. M. (eds.). SPIE, 107034Z. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10703).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access
    7 Scopus citations

  • Optical and mechanical design of the extreme AO coronagraphic instrument MagAO-X

    Close, L. M., Males, J. R., Durney, O., Sauve, C., Kautz, M., Hedglen, A., Schatz, L., Lumbres, J., Miller, K., Van Gorkom, K., Jean, M. & Gasho, V., 2018, Adaptive Optics Systems VI. Schmidt, D., Schreiber, L. & Close, L. M. (eds.). SPIE, 107034Y. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10703).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access
    37 Scopus citations

  • Optical field/pupil rotator with a novel compact K-mirror for MagAO-X

    Hedglen, A. D., Close, L. M., Males, J. R. & Durney, O., 2018, Adaptive Optics Systems VI. Schmidt, D., Schreiber, L. & Close, L. M. (eds.). SPIE, 1070355. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10703).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    5 Scopus citations

  • Preliminary on-sky results of the next generation GMT phasing sensor prototype

    Kopon, D., McLeod, B., Bouchez, A., Catropa, D., Van Dam, M. A., Frostig, D., Kansky, J., McCracken, K., Podgorski, W., McMuldroch, S., D'Arco, J., Close, L., Males, J. R. & Morzinski, K., 2018, Adaptive Optics Systems VI. Schmidt, D., Schreiber, L. & Close, L. M. (eds.). SPIE, 107030X. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10703).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    12 Scopus citations

  • SHARK-NIR: The coronagraphic camera for LBT in the AIV phase at INAF-Padova

    Farinato, J., Agapito, G., Bacciotti, F., Baffa, C., Baruffolo, A., Bergomi, M., Bianco, A., Bongiorno, A., Carbonaro, L., Carolo, E., Carlotti, A., Chinellato, S., Close, L., De Pascale, M., Dima, M., D'Orazi, V., Esposito, S., Fantinel, D., Farisato, G. & Gaessler, W. & 20 others, Giallongo, E., Greggio, D., Guyon, O., Hinz, P., Lessio, L., Magrin, D., Marafatto, L., Mesa, D., Mohr, L., Montoya, M., Pedichini, F., Pinna, E., Puglisi, A., Ragazzoni, R., Salasnich, B., Stangalini, M., Vassallo, D., Vérinaud, C., Viotto, V. & Zanutta, A., 2018, Adaptive Optics Systems VI. Schmidt, D., Schreiber, L. & Close, L. M. (eds.). SPIE, 107030E. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10703).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    5 Scopus citations

  • Status of MagAO and review of astronomical science with visible light adaptive optics

    Close, L. M., Males, J. R., Morzinski, K. M., Esposito, S., Riccardi, A., Briguglio, R., Follette, K. B., Wu, Y. L., Pinna, E., Puglisi, A., Xompero, M., Quiros, F. & Hinz, P. M., 2018, Adaptive Optics Systems VI. Schmidt, D., Schreiber, L. & Close, L. M. (eds.). SPIE, 107030L. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10703).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    12 Scopus citations

  • Surveying the Epsilon Eridani system Using MagAO

    Morgan, R. E., Douglas, E. S., Cahoy, K. L., Males, J. R., Morzinski, K. M. & Close, L., 2018, Adaptive Optics Systems VI. Schmidt, D., Schreiber, L. & Close, L. M. (eds.). SPIE, 107032M. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10703).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Open Access