Optical device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 2, 2013
Grant Date -
N/A
app pub date -
Dec 31, 2008
filing date -
Dec 17, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to an optical device which includes a first laser diode, a beam splitter, a first objective lens, a photo-detector, a second laser diode, a wedged plate beam splitter, a second objective lens and a collimator. The present invention deploys two independent transmitting paths. The retrieving paths share the beam splitter and the photo-detector commonly at the returning route.
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