Mirror support mechanism and optical apparatus using the same

Details Mirror support mechanism and optical apparatus using the same Mirror support mechanism and optical apparatus using the same

2006-10-24

2006-10-24

Robinson, Mark A. (Department: 2872)

Optical: systems and elements

Mirror

Including specified control or retention of the shape of a...

C359S399000

Reexamination Certificate

active

07125129

ABSTRACT:
A fluid pressure support mechanism has a container in which fluid pressure is applied and fluid tubes are connected to the fluid pressure support mechanisms and to a fluid pressure control unit in such a way as to make all the fluid pressure support mechanisms communicate with each other, then a fluid pressure control unit applies the fluid pressure to the containers in the respective fluid pressure support mechanisms via the fluid tubes and controls the fluid pressure, and an electrically attractive actuator translates a mirror in an axial direction with one degree of freedom for translation by attracting force produced by a driven member and an electromagnet.

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PTO 06-0658 “Support System for Telescope Mirror”, English-language translation of DE 3521973 C1. Transl. by FLS, Inc., United States Patent and Trademark Office, Washington, D.C., Nov. 2005.
“Chapter 5. Primary Mirror, California Extremely Large Telescope Conceptual Design for a Thirty-Meter Telescope”, CELT Report No. 34, Jun. 2002, pp. 5-1 - 5-43.
J. Alan Shier, “Summary of the Celt Mirror Segment Actuator Survey”, CELT Report No. 15, Feb. 20, 2001.
Kenneth R. Lorell, et al., “Design and Preliminary Test of a Precision Segment Positioning Actuator for the California Extremely Large Telescope Primary Mirror”, CELT report No. 34, pp. 1-14 Future Giant Telescopes, SPIE vol. 4840, pp. 471-484, Jan. 2003.
Yasumasa Yamashita, Reflecting Telescope, Feb. 20, 1992, pp. 287-291 (with English translation of the revelant part).

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