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Proceedings Paper

Coaxially excited gas lasers: toward the vacuum ultraviolet region
Author(s): Mohamed Aly El-Oseary; Takahisa Jitsuno; Masahiro Nakatsuka; Yasunari Ohoguchi; Takuya Ido; Kenshi Nakamura; Shiro Horiguchi
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Paper Abstract

A new type of co-axial discharge gas laser has been developed for obtaining UV laser light. We have developed small co-axial discharge tubes of the inner diameters of 3 mm to 9 mm, and the lengths of 6 to 15 cm. The laser tube was made by ceramic pipe with two metallic electrodes at both ends. The excitation discharge was activated by using conventional capacitor transfer circuit with a special pre-ionization discharge through the ceramic pipe. The output energy of nitrogen laser was more than 0.7 mJ with pure nitrogen gas, and was about 0.1 mJ for XeCl laser. The repetition rate was increased up to 100 Hz without the high speed gas flow. This repetition rate was limited by the power supply, and no fatal degradation was observed.

Paper Details

Date Published: 3 April 2000
PDF: 6 pages
Proc. SPIE 3889, Advanced High-Power Lasers, (3 April 2000); doi: 10.1117/12.380858
Show Author Affiliations
Mohamed Aly El-Oseary, Osaka Univ. (Japan)
Takahisa Jitsuno, Osaka Univ. (Japan)
Masahiro Nakatsuka, Osaka Univ. (Japan)
Yasunari Ohoguchi, Konan Univ. (Japan)
Takuya Ido, Konan Univ. (Japan)
Kenshi Nakamura, Konan Univ. (Japan)
Shiro Horiguchi, Konan Univ. (Japan)

Published in SPIE Proceedings Vol. 3889:
Advanced High-Power Lasers
Marek Osinski; Howard T. Powell; Koichi Toyoda, Editor(s)

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