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Conferences > CLEO > 1995 > CTuO > CTuO3
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1995),
  • paper CTuO3

High-average-power mid-IR laser obtained by frequency-doubling a TEA-CO2 MOPA system by using AgGaSe2 crystals

Akiko Harasaka, Jun Sakuma, Toshie Itoh, Yasuhiro Akiyama, Toshio Satoh, Masakatsu Sugii, Tomomi Sakurada, and Kiyoshi Kato

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Abstract

Efficient-high-average-power mid-infrared lasers have been attracting considerable attention as light sources for laser radar. The second or third harmonic of a CO2 laser is very suitable for use as a coherent light source at 3-5µm. This paper describes a high-average-power mid-infrared laser obtained by frequency doubling a TEA-CO2 master-oscillator power-amplifier (MOPA) system by using AgGaSe2 crystals. For the first time, to our knowledge, a high-average power of 490 mW at 4.65 µm and a 30-Hz pulse repetition frequency (PRF) have been successfully achieved.

© 1995 Optical Society of America

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