Diffraction-limited astronomical infrared imaging through the turbulent atmosphere

J. C. Christou; J. D. Freeman; D. W. McCarthy; F. Roddier; J. M. Beckers

doi:10.1088/0022-3727/21/10S/014

Diffraction-limited astronomical infrared imaging through the turbulent atmosphere

J. C. Christou, J. D. Freeman, D. W. McCarthy, F. Roddier, J. M. Beckers

Steward Observatory

Research output: Contribution to journal › Article › peer-review

Abstract

The authors have applied speckle interferometric techniques to 1D near-infrared (λ =2.2 μ m; K band) astronomical data to obtain diffraction-limited images. They have investigated a number of phase retrieval techniques applied to slit scanning data and they find that bispectrum analysis provides the best results. They also show preliminary results obtained with 1D projections from specklegrams obtained with the NOAO InSb 58× 62 array.

Original language	English (US)
Pages (from-to)	S49-S52
Journal	Journal of Physics D: Applied Physics
Volume	21
Issue number	10 S
DOIs	https://doi.org/10.1088/0022-3727/21/10S/014
State	Published - Oct 14 1988

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Acoustics and Ultrasonics
Surfaces, Coatings and Films

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10.1088/0022-3727/21/10S/014

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abstract = "The authors have applied speckle interferometric techniques to 1D near-infrared (λ =2.2 μ m; K band) astronomical data to obtain diffraction-limited images. They have investigated a number of phase retrieval techniques applied to slit scanning data and they find that bispectrum analysis provides the best results. They also show preliminary results obtained with 1D projections from specklegrams obtained with the NOAO InSb 58× 62 array.",

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AU - Freeman, J. D.

AU - McCarthy, D. W.

AU - Roddier, F.

AU - Beckers, J. M.

PY - 1988/10/14

Y1 - 1988/10/14

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AB - The authors have applied speckle interferometric techniques to 1D near-infrared (λ =2.2 μ m; K band) astronomical data to obtain diffraction-limited images. They have investigated a number of phase retrieval techniques applied to slit scanning data and they find that bispectrum analysis provides the best results. They also show preliminary results obtained with 1D projections from specklegrams obtained with the NOAO InSb 58× 62 array.

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Diffraction-limited astronomical infrared imaging through the turbulent atmosphere

Abstract

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