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

Fernando Quirós-Pacheco; Antonin Bouchez; Cédric Plantet; Bo Xin; Jordi Molgo; William Schoenell; Alfio Puglisi; Fabio Rossi; Patricio Schurter; Juan Pablo Haddad; Richard Demers; Simone Esposito; Anne Laure Cheffot; Nicolò Azzaroli; Luca Carbonaro; Tommaso Lapucci; Enrico Pinna; Laird Close; Sebastiaan Haffert; Maggie Kautz; Jared Males; Avalon McLeod; Alexander Hedglen; Victor Gasho; Marcos van Dam

doi:10.1117/12.3020856

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

Fernando Quirós-Pacheco, Antonin Bouchez, Cédric Plantet, Bo Xin, Jordi Molgo, William Schoenell, Alfio Puglisi, Fabio Rossi, Patricio Schurter, Juan Pablo Haddad, Richard Demers, Simone Esposito, Anne Laure Cheffot, Nicolò Azzaroli, Luca Carbonaro, Tommaso Lapucci, Enrico Pinna, Laird Close, Sebastiaan Haffert, Maggie KautzJared Males, Avalon McLeod, Alexander Hedglen, Victor Gasho, Marcos van Dam

Astronomy

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

6 Scopus citations

Abstract

The Natural Guide-star Adaptive Optics (NGAO) mode of the Giant Magellan Telescope (GMT) is one of the two diffraction-limited AO modes under development by GMTO and its partner institutions. It will use the Adaptive Secondary Mirror (ASM) for wavefront correction, and a Natural Guide star Wavefront Sensor (NGWS) unit featuring two visible-light sensing channels to measure wavefront aberrations, including phasing errors between the seven segments of the GMT. The first NGWS channel features a modulated pyramid wavefront sensor (PWFS) and the second NGWS channel features a Holographic Dispersed Fringe Sensor (HDFS), which unambiguously detects segment piston errors as large as ~10 microns in wavefront. To test the performance of this novel wavefront sensing architecture, a prototype of the NGWS was built and integrated with the High Contrast AO Testbed (HCAT) and the MagAO-X system in the laboratories of the Center of Astronomical Adaptive Optics (CAAO) of the University of Arizona. The INAF Arcetri AO group designed and built the first NGWS channel, while GMTO designed and built the second NGWS channel in collaboration with CAAO. We report in this contribution the results of the laboratory experiments conducted over two two-week runs held in 2023 that demonstrate the capability of the NGWS to sense and correct for wavefront and phasing errors under the presence of mild atmospheric disturbances using the GMT NGAO control algorithms adapted to the testbed.

Original language	English (US)
Title of host publication	Adaptive Optics Systems IX
Editors	Kathryn J. Jackson, Dirk Schmidt, Elise Vernet
Publisher	SPIE
ISBN (Electronic)	9781510675179
DOIs	https://doi.org/10.1117/12.3020856
State	Published - 2024
Event	Adaptive Optics Systems IX 2024 - Yokohama, Japan Duration: Jun 16 2024 → Jun 22 2024

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	13097
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Conference

Conference	Adaptive Optics Systems IX 2024
Country/Territory	Japan
City	Yokohama
Period	6/16/24 → 6/22/24

Keywords

adaptive optics
Giant Magellan Telescope
phasing
pyramid sensor
wavefront control

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Access to Document

10.1117/12.3020856

Cite this

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., ... van Dam, M. (2024). The Giant Magellan Telescope’s High Contrast Adaptive Optics Testbed: NGAO wavefront sensing and control laboratory results. In K. J. Jackson, D. Schmidt, & E. Vernet (Eds.), Adaptive Optics Systems IX Article 1309725 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 13097). SPIE. https://doi.org/10.1117/12.3020856

The Giant Magellan Telescope’s High Contrast Adaptive Optics Testbed: NGAO wavefront sensing and control laboratory results. / Quirós-Pacheco, Fernando; Bouchez, Antonin; Plantet, Cédric et al.
Adaptive Optics Systems IX. ed. / Kathryn J. Jackson; Dirk Schmidt; Elise Vernet. SPIE, 2024. 1309725 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 13097).

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

Quirós-Pacheco, F, Bouchez, A, Plantet, C, Xin, B, Molgo, J, Schoenell, W, Puglisi, A, Rossi, F, Schurter, P, Haddad, JP, Demers, R, Esposito, S, Cheffot, AL, Azzaroli, N, Carbonaro, L, Lapucci, T, Pinna, E, Close, L, Haffert, S, Kautz, M, Males, J, McLeod, A, Hedglen, A, Gasho, V & van Dam, M 2024, The Giant Magellan Telescope’s High Contrast Adaptive Optics Testbed: NGAO wavefront sensing and control laboratory results. in KJ Jackson, D Schmidt & E Vernet (eds), Adaptive Optics Systems IX., 1309725, Proceedings of SPIE - The International Society for Optical Engineering, vol. 13097, SPIE, Adaptive Optics Systems IX 2024, Yokohama, Japan, 6/16/24. https://doi.org/10.1117/12.3020856

Quirós-Pacheco F, Bouchez A, Plantet C, Xin B, Molgo J, Schoenell W et al. The Giant Magellan Telescope’s High Contrast Adaptive Optics Testbed: NGAO wavefront sensing and control laboratory results. In Jackson KJ, Schmidt D, Vernet E, editors, Adaptive Optics Systems IX. SPIE. 2024. 1309725. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.3020856

Quirós-Pacheco, Fernando ; Bouchez, Antonin ; Plantet, Cédric et al. / The Giant Magellan Telescope’s High Contrast Adaptive Optics Testbed : NGAO wavefront sensing and control laboratory results. Adaptive Optics Systems IX. editor / Kathryn J. Jackson ; Dirk Schmidt ; Elise Vernet. SPIE, 2024. (Proceedings of SPIE - The International Society for Optical Engineering).

@inproceedings{ee11d9e83eb6437498166a8b9116a68a,

title = "The Giant Magellan Telescope{\textquoteright}s High Contrast Adaptive Optics Testbed: NGAO wavefront sensing and control laboratory results",

abstract = "The Natural Guide-star Adaptive Optics (NGAO) mode of the Giant Magellan Telescope (GMT) is one of the two diffraction-limited AO modes under development by GMTO and its partner institutions. It will use the Adaptive Secondary Mirror (ASM) for wavefront correction, and a Natural Guide star Wavefront Sensor (NGWS) unit featuring two visible-light sensing channels to measure wavefront aberrations, including phasing errors between the seven segments of the GMT. The first NGWS channel features a modulated pyramid wavefront sensor (PWFS) and the second NGWS channel features a Holographic Dispersed Fringe Sensor (HDFS), which unambiguously detects segment piston errors as large as ~10 microns in wavefront. To test the performance of this novel wavefront sensing architecture, a prototype of the NGWS was built and integrated with the High Contrast AO Testbed (HCAT) and the MagAO-X system in the laboratories of the Center of Astronomical Adaptive Optics (CAAO) of the University of Arizona. The INAF Arcetri AO group designed and built the first NGWS channel, while GMTO designed and built the second NGWS channel in collaboration with CAAO. We report in this contribution the results of the laboratory experiments conducted over two two-week runs held in 2023 that demonstrate the capability of the NGWS to sense and correct for wavefront and phasing errors under the presence of mild atmospheric disturbances using the GMT NGAO control algorithms adapted to the testbed.",

keywords = "adaptive optics, Giant Magellan Telescope, phasing, pyramid sensor, wavefront control",

author = "Fernando Quir{\'o}s-Pacheco and Antonin Bouchez and C{\'e}dric Plantet and Bo Xin and Jordi Molgo and William Schoenell and Alfio Puglisi and Fabio Rossi and Patricio Schurter and Haddad, {Juan Pablo} and Richard Demers and Simone Esposito and Cheffot, {Anne Laure} and Nicol{\`o} Azzaroli and Luca Carbonaro and Tommaso Lapucci and Enrico Pinna and Laird Close and Sebastiaan Haffert and Maggie Kautz and Jared Males and Avalon McLeod and Alexander Hedglen and Victor Gasho and {van Dam}, Marcos",

note = "Publisher Copyright: {\textcopyright} 2024 SPIE.; Adaptive Optics Systems IX 2024 ; Conference date: 16-06-2024 Through 22-06-2024",

year = "2024",

doi = "10.1117/12.3020856",

language = "English (US)",

series = "Proceedings of SPIE - The International Society for Optical Engineering",

publisher = "SPIE",

editor = "Jackson, {Kathryn J.} and Dirk Schmidt and Elise Vernet",

booktitle = "Adaptive Optics Systems IX",

}

TY - GEN

T1 - The Giant Magellan Telescope’s High Contrast Adaptive Optics Testbed

T2 - Adaptive Optics Systems IX 2024

AU - Quirós-Pacheco, Fernando

AU - Bouchez, Antonin

AU - Plantet, Cédric

AU - Xin, Bo

AU - Molgo, Jordi

AU - Schoenell, William

AU - Puglisi, Alfio

AU - Rossi, Fabio

AU - Schurter, Patricio

AU - Haddad, Juan Pablo

AU - Demers, Richard

AU - Esposito, Simone

AU - Cheffot, Anne Laure

AU - Azzaroli, Nicolò

AU - Carbonaro, Luca

AU - Lapucci, Tommaso

AU - Pinna, Enrico

AU - Close, Laird

AU - Haffert, Sebastiaan

AU - Kautz, Maggie

AU - Males, Jared

AU - McLeod, Avalon

AU - Hedglen, Alexander

AU - Gasho, Victor

AU - van Dam, Marcos

PY - 2024

Y1 - 2024

N2 - The Natural Guide-star Adaptive Optics (NGAO) mode of the Giant Magellan Telescope (GMT) is one of the two diffraction-limited AO modes under development by GMTO and its partner institutions. It will use the Adaptive Secondary Mirror (ASM) for wavefront correction, and a Natural Guide star Wavefront Sensor (NGWS) unit featuring two visible-light sensing channels to measure wavefront aberrations, including phasing errors between the seven segments of the GMT. The first NGWS channel features a modulated pyramid wavefront sensor (PWFS) and the second NGWS channel features a Holographic Dispersed Fringe Sensor (HDFS), which unambiguously detects segment piston errors as large as ~10 microns in wavefront. To test the performance of this novel wavefront sensing architecture, a prototype of the NGWS was built and integrated with the High Contrast AO Testbed (HCAT) and the MagAO-X system in the laboratories of the Center of Astronomical Adaptive Optics (CAAO) of the University of Arizona. The INAF Arcetri AO group designed and built the first NGWS channel, while GMTO designed and built the second NGWS channel in collaboration with CAAO. We report in this contribution the results of the laboratory experiments conducted over two two-week runs held in 2023 that demonstrate the capability of the NGWS to sense and correct for wavefront and phasing errors under the presence of mild atmospheric disturbances using the GMT NGAO control algorithms adapted to the testbed.

AB - The Natural Guide-star Adaptive Optics (NGAO) mode of the Giant Magellan Telescope (GMT) is one of the two diffraction-limited AO modes under development by GMTO and its partner institutions. It will use the Adaptive Secondary Mirror (ASM) for wavefront correction, and a Natural Guide star Wavefront Sensor (NGWS) unit featuring two visible-light sensing channels to measure wavefront aberrations, including phasing errors between the seven segments of the GMT. The first NGWS channel features a modulated pyramid wavefront sensor (PWFS) and the second NGWS channel features a Holographic Dispersed Fringe Sensor (HDFS), which unambiguously detects segment piston errors as large as ~10 microns in wavefront. To test the performance of this novel wavefront sensing architecture, a prototype of the NGWS was built and integrated with the High Contrast AO Testbed (HCAT) and the MagAO-X system in the laboratories of the Center of Astronomical Adaptive Optics (CAAO) of the University of Arizona. The INAF Arcetri AO group designed and built the first NGWS channel, while GMTO designed and built the second NGWS channel in collaboration with CAAO. We report in this contribution the results of the laboratory experiments conducted over two two-week runs held in 2023 that demonstrate the capability of the NGWS to sense and correct for wavefront and phasing errors under the presence of mild atmospheric disturbances using the GMT NGAO control algorithms adapted to the testbed.

KW - adaptive optics

KW - Giant Magellan Telescope

KW - phasing

KW - pyramid sensor

KW - wavefront control

UR - http://www.scopus.com/inward/record.url?scp=85200418615&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85200418615&partnerID=8YFLogxK

U2 - 10.1117/12.3020856

DO - 10.1117/12.3020856

M3 - Conference contribution

AN - SCOPUS:85200418615

T3 - Proceedings of SPIE - The International Society for Optical Engineering

BT - Adaptive Optics Systems IX

A2 - Jackson, Kathryn J.

A2 - Schmidt, Dirk

A2 - Vernet, Elise

PB - SPIE

Y2 - 16 June 2024 through 22 June 2024

ER -

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

Abstract

Publication series

Conference

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this