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Proceedings Paper

Hybrid oxygen-iodine laser with a discharge singlet oxygen generator
Author(s): Hiroo Fujii; Shin Itami; Yoshihumi Kihara; Kouji Fujisaki; Minoru Okamura; Eiji Yoshitani; Katsushi Yano; Tomoki Miyatake; Josef Schmiedberger
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Paper Abstract

The trial for world first oscillation of oxygen iodine laser using high frequency discharge was conducted. Maximum excited oxygen efficiency was recorded up to 21% by the microwave (MW) discharge and 32% by the radio frequency (RF) discharge. The highest efficiency of 32% singlet oxygen was achieved by producing plasma jet through the hollow cathode of RF discharge. Laser oscillation test was carried out connecting with RF discharge singlet oxygen generator (DSOG) to a resonator which was arranged longitudinal to the gas flow. Spontaneous emission of its wavelength 1.315 micrometer from iodine electronic transition was detected by the spectra-analyzer from laser output mirror. The laser oscillation was confirmed by detecting an amplification of the emission when laser mirrors were aligned.

Paper Details

Date Published: 16 August 2000
PDF: 8 pages
Proc. SPIE 4065, High-Power Laser Ablation III, (16 August 2000); doi: 10.1117/12.407307
Show Author Affiliations
Hiroo Fujii, Anan College of Technology (Japan)
Shin Itami, Anan College of Technology (Japan)
Yoshihumi Kihara, Anan College of Technology (Japan)
Kouji Fujisaki, Fujisaki Electric Co. Ltd. (Japan)
Minoru Okamura, Fujisaki Electric Co. Ltd. (Japan)
Eiji Yoshitani, Fujisaki Electric Co. Ltd. (Japan)
Katsushi Yano, Ryusho Industrial Co. Ltd. (Japan)
Tomoki Miyatake, Ryusho Industrial Co. Ltd. (Japan)
Josef Schmiedberger, Nagaoka Univ. of Technology (Japan)

Published in SPIE Proceedings Vol. 4065:
High-Power Laser Ablation III
Claude R. Phipps, Editor(s)

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