Customized CMOS wavefront sensor

Details Customized CMOS wavefront sensor Customized CMOS wavefront sensor

Feb 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002spie.4493...88d&link_type=abstract

Proc. SPIE Vol. 4493, p. 88-99, High-Resolution Wavefront Control: Methods, Devices, and Applications III, John D. Gonglewski; M

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We report on an integrated Hartmann wavefront sensor (WFS) using passive-pixel architecture and pixels clustered as position-sensitive detectors for dynamic wavefront analysis. This approach substitutes a conventional imager, such as a CCD or CMOS imager, by a customized detector, thus improving the overall speed performance. CMOS (complementary-metal- oxide-semiconductor) technology enables on-chip integration of several analog and digital circuitry. The sensor performance depends on the feature size of the technology, noise levels, photosensitive elements employed, architecture chosen and reconstruction algorithm.

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