Optimal design of wavefront sensors for adaptive optical systems: effects of grating period and subaperture size in a shearing interferometer

Mark E. Furber; David C. Jordan

doi:10.1117/12.363581

27 September 1999 Optimal design of wavefront sensors for adaptive optical systems: effects of grating period and subaperture size in a shearing interferometer

Mark E. Furber, David C. Jordan

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Proceedings Volume 3762, Adaptive Optics Systems and Technology; (1999) https://doi.org/10.1117/12.363581
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

The influence function matrix of an adaptive optical system defines the mapping between commands to the deformable mirror actuators and the outputs of the wavefront sensor. The condition number of that matrix can be used to quantify the controllability and observability of the system. This condition number is a function of both deformable mirror parameters and wavefront sensor parameters. Its dependence on the grating period and the subaperture size for a shearing interferometer wavefront sensor is examined through simulation studies and useful design guidelines are developed.

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Mark E. Furber and David C. Jordan "Optimal design of wavefront sensors for adaptive optical systems: effects of grating period and subaperture size in a shearing interferometer", Proc. SPIE 3762, Adaptive Optics Systems and Technology, (27 September 1999); https://doi.org/10.1117/12.363581

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KEYWORDS

Condition numbers

Wavefront sensors

Actuators

Sensors

Space sensors

Wavefronts

Deformable mirrors

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