Spatial distributions of a small signal gain in a CO2 slab laser

Taro KUTSUKAKE; Masanori KINUGASA; Daichi SUGIMOTO; Kenzo NANRI; Shigeru YAMAGUCHI; Tomoo FUJIOKA

doi:10.2978/jsas.10.2-3_156

Spatial distributions of a small signal gain in a CO₂ slab laser

Taro KUTSUKAKE, Masanori KINUGASA, Daichi SUGIMOTO, Kenzo NANRI, Shigeru YAMAGUCHI, Tomoo FUJIOKA

Author information

Keywords: small signal gain, CO₂ slab laser, infrared camera

JOURNAL FREE ACCESS

1998 Volume 10 Issue 2-3 Pages 156-157

DOI https://doi.org/10.2978/jsas.10.2-3_156

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Abstract

Spatial distributions of a small signal gain in a CO₂ slab laser have been measured by two dimensional infrared camera. The small signal gain has its peak value in the center of the laser medium between two electrodes and decreases in the vicinity of electrodes because of ion sheath and wall de-excitation by diffusing upper level CO₂ molecule.

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