Assembly for transmitting high-power laser radiation

Details Assembly for transmitting high-power laser radiation Assembly for transmitting high-power laser radiation

1994-08-19

1996-03-05

Lee, John D.

Optical waveguides

Optical fiber waveguide with cladding

Utilizing multiple core or cladding

385 12, 385126, G02B 602

Patent

active

054974429

ABSTRACT:
An optical fiber for high-power laser transmission is formed of a glass fiber with a fiber core and a fiber cladding surrounding the fiber core. An intermediate layer of polymer is disposed on the fiber cladding, a metallic coating of film is disposed on the intermediate layer, and the metallic coating is protected against mechanically induced damage with an outer jacket. The operational condition of the optical fiber is monitored in that the electrical resistance across the metallic coating is measured along the optical fiber. When the resistance exceeds a predetermined threshold value, the laser radiation is prevented from entering the optical fiber, preferably with a shutter.

REFERENCES:
patent: 3083550 (1963-04-01), Averback
patent: 4407561 (1983-10-01), Wysocki
patent: 4418984 (1983-12-01), Wysocki et al.
patent: 4889400 (1989-12-01), Pinson
patent: 4893895 (1990-01-01), Berthold et al.
patent: 5015068 (1991-05-01), Petisce

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