Copper And Molybdenum Mirrors For High Power TEA CO2 Laser

Y. Tsunawaki; K. Yoshida; K. Ohta; S. Aramaki; H. Okamoto; M. Yamanaka; S. Nakai

doi:10.1117/12.978517

18 November 1989 Copper And Molybdenum Mirrors For High Power TEA CO₂ Laser

Y. Tsunawaki, K. Yoshida, K. Ohta, S. Aramaki, H. Okamoto, M. Yamanaka, S. Nakai

Proceedings Volume 1039, 13th Intl Conf on Infrared and Millimeter Waves; (1989) https://doi.org/10.1117/12.978517
Event: 13th International Conference on Infrared and Millimeter Waves, 1987, Honolulu, HI, United States

Abstract

Various kinds of copper (Cu) and molybdenum (Mo) mirror were studied on the damage induced by a TEA CO2 laser. Cu mirror had a damage threshold-2 to 2.4 times higher than that of a Mo mirror. As suggested in the previous work 1), a single-crystalline mirror was stronger than a poly-crystalline one while TEA CO2 laser was irradiated onto the mirror surface, because most of the damages originated at the grain boundaries of the poly-crystalline surface.

Citation Download Citation

Y. Tsunawaki, K. Yoshida, K. Ohta, S. Aramaki, H. Okamoto, M. Yamanaka, and S. Nakai "Copper And Molybdenum Mirrors For High Power TEA CO₂ Laser", Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); https://doi.org/10.1117/12.978517

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