Coherent light generators – Particular temperature control – Heat sink
Reexamination Certificate
2006-02-21
2006-02-21
Lee, Wilson (Department: 2821)
Coherent light generators
Particular temperature control
Heat sink
C372S029011
Reexamination Certificate
active
07003006
ABSTRACT:
A green diode laser includes a tubular laser casing, a heat sink sealedly mounted at the laser casing, a semiconductor chip supported by the heat sink, an optical resonant cavity supported within the laser casing, including a lasing medium and an intracavity frequency doubler, an IR blocking filter inclinedly and seadedly mounted at the laser casing to optically communicate with an output facet, and a photodiode supported within the laser casing at a position that when the laser beam exits the output facet, the IR blocking filter reflects a portion of the laser beam towards the photodiode such that the photodiode is adapted for detecting the laser beam from the IR blocking filter as a feedback for controlling a power output of the green laser chip.
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patent: 2005/0063441 (2005-03-01), Brown
Chen Yan-Ping
Xu Wen-Hu
Xu Zheng-Hua
You Li-Ning
Zhang Shao-Feng
Chan Raymond Y.
David & Raymond
Lee Wilson
Vy Hung Tran
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