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Proceedings Article

Silicon deformable mirrors and CMOS-based wavefront sensors

[+] Author Affiliations
Justin D. Mansell, Peter B. Catrysse, Eric K. Gustafson, Robert L. Byer

Stanford Univ. (USA)

Proc. SPIE 4124, High-Resolution Wavefront Control: Methods, Devices, and Applications II, 15 (November 22, 2000); doi:10.1117/12.407512
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From Conference Volume 4124

  • High-Resolution Wavefront Control: Methods, Devices, and Applications II
  • John D. Gonglewski; Mikhail A. Vorontsov; Mark T. Gruneisen
  • San Diego, CA, USA | July 30, 2000

abstract

Inexpensive wavefront sensors and deformable mirrors are essential for addressing potential commercial applications for adaptive optics like laser beam control and ophthalmology. Silicon micromachined deformable mirrors offer the potential for low cost and high actuator density, but there are some problems with the architectures currently available like low mirror quality and high actuator crosstalk. Shack-Hartmann wavefront sensors are still based on traditional charge coupled device (CCD) arrays making them very expensive at high frame rates. To address the need for low cost deformable mirrors, we have implemented a new architecture of silicon deformable mirror designed to be low cost, have low actuator crosstalk, and still maintain good mirror quality. Furthermore, we built and tested a CMOS Shack-Hartmann wavefront sensor to address the needs of the adaptive optics community for high speed wavefront sensing.

© (2000) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Justin D. Mansell ; Peter B. Catrysse ; Eric K. Gustafson and Robert L. Byer
"Silicon deformable mirrors and CMOS-based wavefront sensors", Proc. SPIE 4124, High-Resolution Wavefront Control: Methods, Devices, and Applications II, 15 (November 22, 2000); doi:10.1117/12.407512; http://dx.doi.org/10.1117/12.407512


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