Laser output unit

Details Laser output unit Laser output unit

1992-03-31

1993-08-24

Epps, Georgia Y.

Coherent light generators

Particular active media

Gas

2191216, 372 71, 372103, 372108, 372701, H01S 322

Patent

active

052395529

ABSTRACT:
A laser output unit according to the present invention comprises a body having a laser output port at an extreme and thereof, lenses provided within said body to condense laser beam introduced to emit it from the laser output port, and a protective glass provided between said laser output port and said lens within said body. A gas jet port and a gas exhaust port opposed to said gas jet port are provided at said body portion between said protective glass and said laser output port. A gas crosses at a position between the protective glass and the laser output port. Flying matter is blown away by the gas and does not arrive at the protective glass.

REFERENCES:
patent: 4564947 (1986-01-01), Daniel
patent: 4825445 (1989-04-01), Koop et al.
patent: 4979180 (1990-12-01), Muncheryan

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