DocumentCode
2098647
Title
Fourier-Based Diffractive Shearing Interferometer for Wavefront Sensing
Author
Karp, Jason H. ; Chan, Trevor K. ; Ford, Joseph E.
Author_Institution
Univ. of California, San Diego
fYear
2007
fDate
21-25 Oct. 2007
Firstpage
165
Lastpage
166
Abstract
We propose a simple and compact wavefront sensor using a phase transmission grating attached to a CMOS image sensor. We present experimental results using a binary phase grating. An adaptive grating displayed by a phase modulator can extend sensor dynamic range.
Keywords
CMOS image sensors; diffraction gratings; shearing; wavefront sensors; CMOS image sensor; Fourier-based diffractive shearing; adaptive grating; binary phase grating; compact wavefront sensor; interferometer; phase transmission grating; wavefront sensing; CMOS image sensors; Diffraction gratings; Dynamic range; Fourier transforms; Image reconstruction; Interference; Lenses; Optical interferometry; Optimized production technology; Shearing;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics Society, 2007. LEOS 2007. The 20th Annual Meeting of the IEEE
Conference_Location
Lake Buena Vista, FL
ISSN
1092-8081
Print_ISBN
978-1-4244-0925-9
Electronic_ISBN
1092-8081
Type
conf
DOI
10.1109/LEOS.2007.4382328
Filename
4382328
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