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Proceedings Article

MEMS adaptive optics for high-resolution imaging of low Earth-orbit satellites

[+] Author Affiliations
David C. Dayton

Applied Technology Associates (USA)

John Gonglewski, Sergio R. Restaino

Air Force Research Lab. (USA)

Stephen Browne

The Optical Sciences Co. (USA)

Proc. SPIE 5490, Advancements in Adaptive Optics, 1514 (October 25, 2004); doi:10.1117/12.547166
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From Conference Volume 5490

  • Advancements in Adaptive Optics
  • USA | June 21, 2004

abstract

We present here results using two novel adaptive optic elements, an electro-static membrane mirror built by OKO Technologies, and a dual frequency multi-segment nematic liquid crystal built by Meadowlark Optics. These devices have the advantage of low cost, low power consumption, and compact size. The total cost for these adaptive optics elements is hundreds of dollars per actuator as compared to a cost of thousands of dollars per actuator for conventional adaptive optics. Field experiments were performed on the Air Force Research Laboratory 3.67 meter telescope on Maui, Hawaii, with the aperture stopped down to 1.15 meters. It is believed that this is the first ever experimental demonstration of these two devices for adaptive correction of images of satellites. Recently, the control electronics for the liquid crystal device were rebuilt and we were able to increase the closed loop bandwidth from 40 to 80 Hz.

© (2004) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

David C. Dayton ; John Gonglewski ; Sergio R. Restaino and Stephen Browne
"MEMS adaptive optics for high-resolution imaging of low Earth-orbit satellites", Proc. SPIE 5490, Advancements in Adaptive Optics, 1514 (October 25, 2004); doi:10.1117/12.547166; http://dx.doi.org/10.1117/12.547166


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