Optics: measuring and testing – Range or remote distance finding – With photodetection
Reexamination Certificate
2007-05-08
2007-05-08
Tarcza, Thomas H. (Department: 3662)
Optics: measuring and testing
Range or remote distance finding
With photodetection
C356S005100, C356S005010
Reexamination Certificate
active
11165941
ABSTRACT:
Chirped synthetic wave laser radar apparatus and methods are disclosed. In one embodiment, a system includes a laser source, a controller operatively coupled to the laser source and adapted to frequency-modulate first and second laser outputs, and an optical assembly. The optical assembly includes a plurality of reference channels adapted to receive a portion of a combined laser output and to provide a reference interference signal, and a signal channel having a focusing telescope adapted to focus and transmit at least part of the combined laser output onto the target, and to receive a scattered signal from target, and to provide a return interference signal. The system further includes a signal processing portion adapted to receive the reference interference signals and the return interference signal and to determine the distance to the target based on the reference and return interference signals.
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European Search Report, Application No. EP 06 01 2914, dated Oct. 9, 2006, 7 pages.
Leep David A.
Soreide David C.
Ratcliffe Luke D.
Tarcza Thomas H.
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