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 common fabrication technologies of binary optical elements were expatiated, including etching, thin-film deposition, direct writing, excimer laser projection and gray-scale masks.

综述了二元光学元件的常用制作工艺技术，包括台阶刻蚀法、薄膜沉积法、直接写入法、准分子激光加工法和灰阶掩模法。

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Defects in thin film are one of the most important factors influencing laser-induced damage in the thin film components, and always a major concern.

薄膜缺陷是影响薄膜元件抗激光损伤的重要因素之一，长期以来一直是人们关注和研究的问题。

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Using a thin film of polyfluorene, a light-emitting plastic, they have created a laser which reacts with explosive vapour.

BBC: Plastic lasers shed light on hidden explosives