This paper briefly introduces photothermal techniques and their applications in optical thin film coating measurements and ti: sapphire laser crystal characterisation.

简要介绍了光热技术及其在光学薄膜测量和钛蓝宝石激光晶体表征中的应用。

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The characteristics and development of crystal and tunable lasers of ti: sapphire are reviewed.

本文评述钛宝石晶体和激光器的特性和进展。

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