Compact periscopic beam director

Optical: systems and elements – Compound lens system – Telescope

Reexamination Certificate

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Details

C359S211200, C359S403000, C359S405000

Reexamination Certificate

active

11402520

ABSTRACT:
A periscopic beam director is disclosed. The periscopic beam director can be configured with a hemispheric field of regard, in a volume that minimizes external structure or dome size when mounted on a host vehicle (e.g., airplane or UAV). One embodiment combines a Risley Prism refractive beam steering arrangement with an angled azimuthal mount. By using refraction in combination with reflection for changing the beam direction within an optical unit, a substantially more compact periscopic beam director can be realized.

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Degnan, John J., “Ray Matrix Approach for the Real Time Control of SLR2000 Optical Elements”, Sigma Corporation, Jun. 7-11, 2004, [online] [retrieved on Jul. 24, 2006]. Retrieved from the Internet <URL: http://www.roa.es/14workshop-laser/presentations/9%20June,%20Wednesday/1400-1530%20Automation%20and%20Control/1.Ray%20Matrix%20Approach%20for%20the%20Real%20Time%20Control%20of%20SLR2000%20Optical%20Elements.ppt>. pp. 1-19.

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