Hybrid oxygen-iodine laser with a discharge singlet oxygen generator

Hiroo Fujii; Shin Itami; Yoshihumi Kihara; Kouji Fujisaki; Minoru Okamura; Eiji Yoshitani; Katsushi Yano; Tomoki Miyatake; Josef Schmiedberger

doi:10.1117/12.407307

16 August 2000 Hybrid oxygen-iodine laser with a discharge singlet oxygen generator

Hiroo Fujii, Shin Itami, Yoshihumi Kihara, Kouji Fujisaki, Minoru Okamura, Eiji Yoshitani, Katsushi Yano, Tomoki Miyatake, Josef Schmiedberger

Author Affiliations +

Proceedings Volume 4065, High-Power Laser Ablation III; (2000) https://doi.org/10.1117/12.407307
Event: High-Power Laser Ablation, 2000, Santa Fe, NM, United States

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.

Citation Download Citation

Hiroo Fujii, Shin Itami, Yoshihumi Kihara, Kouji Fujisaki, Minoru Okamura, Eiji Yoshitani, Katsushi Yano, Tomoki Miyatake, and Josef Schmiedberger "Hybrid oxygen-iodine laser with a discharge singlet oxygen generator", Proc. SPIE 4065, High-Power Laser Ablation III, (16 August 2000); https://doi.org/10.1117/12.407307

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