Increasing the useful field-of-view of an adaptive optics system

Mark R. Chun; Walter J. Wild; Fang Shi; Michael F. Smutko; Edward J. Kibblewhite; Robert Q. Fugate; Julian C. Christou

doi:10.1117/12.321631

Increasing the useful field-of-view of an adaptive optics system

Mark R. Chun, Walter J. Wild, Fang Shi, Michael F. Smutko, Edward J. Kibblewhite, Robert Q. Fugate, Julian C. Christou

Physics and Astronomy

Research output: Contribution to journal › Conference article › peer-review

Abstract

The size of the corrected field of view of an adaptive optics system is though to be a severe limitation on the usefulness of an adaptive optics system. We show that under good seeing conditions the useful field of view is an order of magnitude larger than the field predicted by the classical isoplanatic angle. The corrected field of view is experimentally shown to increase when using spatially degraded wavefront corrections. Two methods of spatially degrading the wavefront were tested: low-order modal wavefront reconstructions and the use of a low-altitude Rayleigh wavefront reference beacon. In both cases the on- axis performance is sacrificed for an increased field of view.

Original language	English (US)
Pages (from-to)	384-390
Number of pages	7
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	3353
DOIs	https://doi.org/10.1117/12.321631
State	Published - 1998
Event	Adaptive Optical System Technologies - Kona, HI, United States Duration: Mar 23 1998 → Mar 23 1998

Keywords

Isoplanatic angle
Modal correction
Rayleigh guide star

ASJC Scopus subject areas

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

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10.1117/12.321631

Cite this

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title = "Increasing the useful field-of-view of an adaptive optics system",

abstract = "The size of the corrected field of view of an adaptive optics system is though to be a severe limitation on the usefulness of an adaptive optics system. We show that under good seeing conditions the useful field of view is an order of magnitude larger than the field predicted by the classical isoplanatic angle. The corrected field of view is experimentally shown to increase when using spatially degraded wavefront corrections. Two methods of spatially degrading the wavefront were tested: low-order modal wavefront reconstructions and the use of a low-altitude Rayleigh wavefront reference beacon. In both cases the on- axis performance is sacrificed for an increased field of view.",

keywords = "Isoplanatic angle, Modal correction, Rayleigh guide star",

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year = "1998",

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note = "Adaptive Optical System Technologies ; Conference date: 23-03-1998 Through 23-03-1998",

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TY - JOUR

T1 - Increasing the useful field-of-view of an adaptive optics system

AU - Chun, Mark R.

AU - Wild, Walter J.

AU - Shi, Fang

AU - Smutko, Michael F.

AU - Kibblewhite, Edward J.

AU - Fugate, Robert Q.

AU - Christou, Julian C.

PY - 1998

Y1 - 1998

N2 - The size of the corrected field of view of an adaptive optics system is though to be a severe limitation on the usefulness of an adaptive optics system. We show that under good seeing conditions the useful field of view is an order of magnitude larger than the field predicted by the classical isoplanatic angle. The corrected field of view is experimentally shown to increase when using spatially degraded wavefront corrections. Two methods of spatially degrading the wavefront were tested: low-order modal wavefront reconstructions and the use of a low-altitude Rayleigh wavefront reference beacon. In both cases the on- axis performance is sacrificed for an increased field of view.

AB - The size of the corrected field of view of an adaptive optics system is though to be a severe limitation on the usefulness of an adaptive optics system. We show that under good seeing conditions the useful field of view is an order of magnitude larger than the field predicted by the classical isoplanatic angle. The corrected field of view is experimentally shown to increase when using spatially degraded wavefront corrections. Two methods of spatially degrading the wavefront were tested: low-order modal wavefront reconstructions and the use of a low-altitude Rayleigh wavefront reference beacon. In both cases the on- axis performance is sacrificed for an increased field of view.

KW - Isoplanatic angle

KW - Modal correction

KW - Rayleigh guide star

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EP - 390

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

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

T2 - Adaptive Optical System Technologies

Y2 - 23 March 1998 through 23 March 1998

ER -

Increasing the useful field-of-view of an adaptive optics system

Abstract

Keywords

ASJC Scopus subject areas

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