Singlet and multielement lenses are available in a wide variety of configurations and materials, including glass, fused silica, sapphire, and calcium fluoride.
单谱线多元件透镜可以有不同的外形和材料，有玻璃的，二氧化硅的，蓝宝石的和钙氟化合物的。
The thermal lenses in operating copper vapor lasers and in the fused silica Windows were measured by using of the deflection method and the interferometer method respectively.
本文用光束偏转法和干涉法分别测量了以熔石英为窗口材料的铜蒸气激光器及其窗口的热透镜效应。
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