CO.sub.2 laser pulse optimization for harmonic generation

Details CO.sub.2 laser pulse optimization for harmonic generation CO.sub.2 laser pulse optimization for harmonic generation

1987-03-10

1989-09-05

Gonzalez, Frank

Coherent light generators

Particular beam control device

Control of pulse characteristics

372 33, H01S 310

Patent

active

048645800

ABSTRACT:
A pulsed CO.sub.2 laser that eliminates the nitrogen tail on the pulse by placing a Brewster angle absorption cell inside the optical cavity of the laser. This Brewster angle absorption cell contains a gas which exhibits a preferential absorption in the 10 .mu.m spectral regime. This preferential absorption causes the laser to lase in the 9.6 .mu.m regime which allows for easier harmonic generation and elimination of the nitrogen tail.

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