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介绍了目前世界上在建的第一台掺钛蓝宝石激光系统中大口径晶体内横向寄生振荡的抑制方法。采用一种掺炭的热塑料MeltMount 1.70 4作为折射率匹配材料 ,掺入炭粉作为吸收体。理论上它可以将晶体中的寄生振荡阈值从 13增加到2 10 0。
The suppression of transverse parasitic oscillation in large-diameter crystals in the first titanium-doped sapphire laser system under construction in the world is introduced. A carbon-doped thermoplastic, MeltMount 1.70 4, was used as the index matching material and carbon powder was incorporated as the absorber. It theoretically increases the parasitic oscillation threshold in the crystal from 13 to 2 10 0.