Discharge-pumped excimer laser with high-speed and low-temperature gas flow

Go Imada; Hirotaka Nakamura; Toshiyuki Komesu; Takashi Honna; Wataru Masuda; Katsumi Masugata; Kiyoshi Yatsui; S. Satoh; Tatsumi Goto; Koichi Yasuoka; Tohru Tamagawa

doi:10.1117/12.144678

4 May 1993 Discharge-pumped excimer laser with high-speed and low-temperature gas flow

Go Imada, Hirotaka Nakamura, Toshiyuki Komesu, Takashi Honna, Wataru Masuda, Katsumi Masugata, Kiyoshi Yatsui, S. Satoh, Tatsumi Goto, Koichi Yasuoka, Tohru Tamagawa

Author Affiliations +

Proceedings Volume 1810, 9th International Symposium on Gas Flow and Chemical Lasers; (1993) https://doi.org/10.1117/12.144678
Event: Ninth International Symposium on Gas Flow and Chemical Lasers, 1992, Heraklion, Greece

Abstract

A high-speed wind tunnel, made by using a Ludwieg tube, has been successfully developed for a highly repetitive discharge-pumped excimer laser. This apparatus allows the gas flow of velocity approximately 204 m/s, pressure approximately 293 kPa, temperature approximately 254 K, and duration time approximately 48 ms. The rate constant for the recombination process of Xe⁺ + Cl^- + Ne yields XeCl^X + Ne is found to increase to a maximum of 4.2 X 10^-6 cm³/s at 180 K in a gas pressure of 294.2 kPa. The kinetic simulation of XeCl excimer laser using such a rate constant indicates the enhancement of the laser output in the lower gas temperatures.

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Go Imada, Hirotaka Nakamura, Toshiyuki Komesu, Takashi Honna, Wataru Masuda, Katsumi Masugata, Kiyoshi Yatsui, S. Satoh, Tatsumi Goto, Koichi Yasuoka, and Tohru Tamagawa "Discharge-pumped excimer laser with high-speed and low-temperature gas flow", Proc. SPIE 1810, 9th International Symposium on Gas Flow and Chemical Lasers, (4 May 1993); https://doi.org/10.1117/12.144678

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