Correction capability analysis and experimental validation of a kind of adaptive optics system based on a combined deformable mirror for compensating high-order aberrations

HuaFeng Yang; ChangHui Rao; WenHan Jiang

doi:10.1117/12.830989

21 May 2009 Correction capability analysis and experimental validation of a kind of adaptive optics system based on a combined deformable mirror for compensating high-order aberrations

HuaFeng Yang, ChangHui Rao, WenHan Jiang

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Proceedings Volume 7282, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 72822J (2009) https://doi.org/10.1117/12.830989
Event: AOMATT 2008 - 4th International Symposium on Advanced Optical Manufacturing, 2008, Chengdu, Chengdu, China

Abstract

A kind of new adaptive optics (AO) configuration, for which several deformable mirrors (DMs) with optical conjugation relationships are combined to correct high-order aberrations, is proposed. Based on theoretical analysis and numerical simulation, an integrated AO system with combinational-deformable-mirror (CDM) that consisted of two same deformable mirrors is built, and its correction capability is validated experimentally. The results indicate that the CDM in the AO system correct aberrations effectively as same as one single DM with more actuators by using the direct-gradient control algorithm in closed-loop. This design can improve wavefront spatial correction capability by increasing the number of actuators and the coupling coefficient. So it can be used for compensating high-order aberrations instead of one single costly DM with more actuators for the same performance.

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HuaFeng Yang, ChangHui Rao, and WenHan Jiang "Correction capability analysis and experimental validation of a kind of adaptive optics system based on a combined deformable mirror for compensating high-order aberrations", Proc. SPIE 7282, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 72822J (21 May 2009); https://doi.org/10.1117/12.830989

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KEYWORDS

Code division multiplexing

Adaptive optics

Wavefronts

Actuators

Deformable mirrors

Wavefront sensors

Control systems

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