CO2 laser pulse optimization for harmonic generation

A pulsed CO2 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 absorpti...

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Bibliographic Details
Main Author FELDMAN; BARRY J
Format Patent
LanguageEnglish
Published 05.09.1989
Subjects
BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRICITY
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Summary:A pulsed CO2 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.
Bibliography:Application Number: US19870024202