Laser control arrangement for tuning a laser

Details Laser control arrangement for tuning a laser Laser control arrangement for tuning a laser

Filed on

1994-03-10

Date issued

1996-04-16

Examiner

Scott, Jr., Leon

Patent Class

Coherent light generators

SubClass

Particular beam control device

SubSubClass

Tuning

Other Related Categories

372 6, 372 92, 372 32, H01S 310

Type

Patent

Status

active

Patent number

055090230

Description

ABSTRACT:
In a laser control arrangement for tuning a laser a portion of the optical signal exiting a resonator is directed to the input of an optical frequency routing device. The routing device has a plurality of outputs each for receiving one of the frequencies supplied by the laser. Each output is coupled to a photodetector. When the laser emits a frequency of light corresponding to one of the resonant frequencies of the resonator, the resonant frequency will appear on one of the outputs of the routing device and will be detected by the photodetector coupled to that output.

REFERENCES:
patent: 4468773 (1984-08-01), Seaton
patent: 4904042 (1990-02-01), Dragone
patent: 4914666 (1990-04-01), Glance
patent: 5002350 (1991-03-01), Dragone
patent: 5136671 (1992-08-01), Dragone
patent: 5204640 (1993-04-01), Logan, Jr.
patent: 5243672 (1993-09-01), Dragone
patent: 5339157 (1994-08-01), Glance et al.
patent: 5373517 (1994-12-01), Dragone et al.

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