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Proceedings Paper

Q-switched CO2 laser using intense pulsed rf discharge and high-speed rotating chopper
Author(s): Tatsuhiko Sakai; Naoya Hamada
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Paper Abstract

A compact size high power Q-switched CO2 laser has been developed using a combination of intense pulsed radio frequency discharge excitation and a high speed rotating Q-switch chopper. Performance characteristics have been investigated in detail as functions of input discharge energy, Q-switching speed, pulse repetition frequency, laser gas composition and oscillation wavelength. Typical output characteristics for free running oscillation wavelength (10P20) show -500 kW pulse peak power, 170 mJ pulse energy, 250 ns pulse duration (FWHM) and 680 W average power at 4 kHz repetition frequency.

Paper Details

Date Published: 31 March 1995
PDF: 6 pages
Proc. SPIE 2502, Gas Flow and Chemical Lasers: Tenth International Symposium, (31 March 1995); doi: 10.1117/12.204925
Show Author Affiliations
Tatsuhiko Sakai, Nippon Steel Corp. (Japan)
Naoya Hamada, Nippon Steel Corp. (Japan)


Published in SPIE Proceedings Vol. 2502:
Gas Flow and Chemical Lasers: Tenth International Symposium

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