Apparatus and method for visualizing an automatic laser...

Details Apparatus and method for visualizing an automatic laser... Apparatus and method for visualizing an automatic laser...

2005-01-04

2005-01-04

Pascal, Leslie (Department: 2633)

Optical communications

Diagnostic testing

Fault location

C398S017000, C398S172000

Reexamination Certificate

active

06839516

ABSTRACT:
An apparatus and method are disclosed for visualizing an automatic laser shutdown (ALS) state. An operator is informed of the ALS state by transmitting a visible light with weak power, to an optical fiber, that effuses from the cut position of the optical fiber. The operator recognizes the cut position of the optical fiber by comparing the power of the ALS visible light reflected from the cut surface of the optical fiber and that of the transmitting ALS visible light, and thus restores the cut optical fiber at the recognized position.

REFERENCES:
patent: 5451765 (1995-09-01), Gerber
patent: 5966206 (1999-10-01), Jander
patent: 6194707 (2001-02-01), Yang
patent: 6504630 (2003-01-01), Czarnocha et al.
patent: 6626587 (2003-09-01), Marmur

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