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High-power, tunable, high-repetition rate TEA-13C18 O2 laser

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4 Author(s)
Sugii, Masakatsu ; Tech. Res. & Dev. Inst., Japan Defense Agency, Tokyo, Japan ; Komi, Takao ; Hara, Hiroshi ; Shirahata, Hiromichi

The authors report the power enhancement of a high-repetition-rate TEA-13C18O2 laser by substitution of rare 15N2 isotope instead of 14N2 and its tunable single-mode operation. Efficient, high-power operation with a maximum average power of 25 W (100 Hz) at a slope efficiency of 5.6%, which is improved by a factor of 2 by substitution of 15N2 instead of 14N2, has been successfully achieved from a discharge volume of 57.5 cm3 with an active length of 26 cm. In addition, high-power, tunable, single-mode operation has been achieved with a three-mirror cavity consisting of two mirrors and a Littrow grating

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Quantum Electronics, IEEE Journal of  (Volume:28 ,  Issue: 8 )