Investigation of a long-term sealed CW transversely-excited CO2 laser

Kaung-Hsiung Wu

doi:10.1080/02533839.1990.9677278

Investigation of a long-term sealed CW transversely-excited CO₂ laser

Kaung-Hsiung Wu^*

^*Corresponding author for this work

National Chiao Tung University

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

In this report, several methods have been provided to investigate the possibility of a long-term sealed-off operation of a CW transversely- excited (TE) CO₂ laser. These methods include the additions of molecular 3A sieve, CO gas, auxiliary discharge, and catalysts. Variations of gas composition, discharge voltage, and laser power under different conditions have been analyzed. SnO₂ coating devices and monolithic catalysts have been introduced for the first time in a CW TE CO₂ laser. With an appropriate amount of these catalysts, sealed-off operation with an output level at 550W for more than 110 Hours of discharge time was achieved.

Original language	English
Pages (from-to)	471-477
Number of pages	7
Journal	Journal of the Chinese Institute of Engineers, Transactions of the Chinese Institute of Engineers,Series A/Chung-kuo Kung Ch'eng Hsuch K'an
Volume	13
Issue number	4
DOIs	https://doi.org/10.1080/02533839.1990.9677278
State	Published - 1 Jan 1990

Keywords

Active catalyst
CW TE CO laser
Sealed-off operation

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AB - In this report, several methods have been provided to investigate the possibility of a long-term sealed-off operation of a CW transversely- excited (TE) CO2 laser. These methods include the additions of molecular 3A sieve, CO gas, auxiliary discharge, and catalysts. Variations of gas composition, discharge voltage, and laser power under different conditions have been analyzed. SnO2 coating devices and monolithic catalysts have been introduced for the first time in a CW TE CO2 laser. With an appropriate amount of these catalysts, sealed-off operation with an output level at 550W for more than 110 Hours of discharge time was achieved.

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