Optics: measuring and testing – By shade or color – With color transmitting filter
Reexamination Certificate
2005-01-04
2005-01-04
Smith, Zandra (Department: 2877)
Optics: measuring and testing
By shade or color
With color transmitting filter
C372S032000
Reexamination Certificate
active
06839139
ABSTRACT:
A wavelength monitor includes: a splitter on an optics block dividing an input beam into a first portion and a second portion; a first detector and a second detector; a wavelength selective element in an optical path of one of the first and second portions before a respective detector; and an optical bench on which the splitter, the first and second detectors, and the wavelength selective element are mounted. The optical bench may include a hole through which an application beam, separate from the first and second portions, is to pass. The optical bench may include a reflective surface below an active area of the detectors for directing the light onto the active areas.
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Chen Xiansong
Yang Yinbao
Digital Optics Corp.
Geisel Kara
Morse Susan S.
Smith Zandra
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