Method of monitoring an optical signal from a laser

Details Method of monitoring an optical signal from a laser Method of monitoring an optical signal from a laser

2006-07-11

2006-07-11

Minsun, Harvey (Department: 2828)

Coherent light generators

Particular operating compensation means

C372S029020, C372S107000

Reexamination Certificate

active

07075958

ABSTRACT:
A method and apparatus are provided for monitoring an optical signal from a solid state laser. The method includes the steps of providing a planar substrate defined by opposing planar surfaces and a substrate edge that together define a substrate volume that is transparent to an optical signal from the solid state laser, disposing the solid state laser on one of the opposing planar surfaces the planar substrate such that a first portion of the optical signal travels directly through the planar substrate substantially orthogonal to the opposing planar surfaces and a second portion of the optical signal is reflected between the opposing planar surfaces of the planar substrate and passes out of the substrate through the substrate edge, and disposing an optical detector proximate the edge of the planar substrate to detect the second portion of the optical signal.

REFERENCES:
patent: 6850657 (2005-02-01), Dhadwal et al.
patent: 6970494 (2005-11-01), Bendett et al.

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