Development of a High Power Mid-IR Source Using TEA CO2 Laser MOPA System with AgGaSe2 Crystals.
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概要
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We have developed a TEA CO<SUB>2</SUB> laser MOPA system designed to improve beam quality required for high power harmonic generation. The CO<SUB>2</SUB> laser output of the master oscillator optimized to produce a short-spike and suppressed-tail was 4-pass amplified to generate a high peak power of the order of 10 MW under single-transverse-mode oscillation at a repetition rate of 60Hz. By using this laser as a pumping source and by using AgGaSe<SUB>2</SUB> crystals as a frequency converter, the SHG output at 5.3μm with an average power of 3.90 W and the THG output at 3.53μm with that of 2.18 W were demonstrated; these powers are, to our knowledge, the highest ever reported.
- 社団法人 レーザー学会の論文
社団法人 レーザー学会 | 論文
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