Wavefront sensing technique with a radial shearing interferometry applied to an adaptive optic system

Yongying Yang; Yuanbiao Lu; Yongmo Zhuo; Jian Chen; Xiaoming Zhang; Bo Chen

doi:10.1117/12.481682

5 September 2002 Wavefront sensing technique with a radial shearing interferometry applied to an adaptive optic system

Yongying Yang, Yuanbiao Lu, Yongmo Zhuo, Jian Chen, Xiaoming Zhang, Bo Chen

Proceedings Volume 4926, Adaptive Optics and Applications II; (2002) https://doi.org/10.1117/12.481682
Event: Photonics Asia, 2002, Shanghai, China

Abstract

The interferometer can measures accurately a static or dynamic wavefront . It can be done using a system of circular radial shearing interference with spatial phase modulated. Because the method only needs one frame interferogram so that can rejected the effect of vibrations and noises. The wavefront errors measured make adaptive optic system (AOS) that contain a deformable mirror correct the wavefront aberrations again. This paper described a system of radial shearing interference with spatial phase modulation. It is based on the Fourier transform method that the analysis and data processing of the interference fringe pattern with suitable linear carrier. An algorithm of shearing wavefront reconstructed can obtain the original wavefront. The system of diagnostics can check the operation of the AOS and quantify laser beam quality. Finally, the interference experiment and data processing results have been given in this paper.

Citation Download Citation

Yongying Yang, Yuanbiao Lu, Yongmo Zhuo, Jian Chen, Xiaoming Zhang, and Bo Chen "Wavefront sensing technique with a radial shearing interferometry applied to an adaptive optic system", Proc. SPIE 4926, Adaptive Optics and Applications II, (5 September 2002); https://doi.org/10.1117/12.481682

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