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Preparation of high performance thin-film polarizers 被引量:1

Preparation of high performance thin-film polarizers
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摘要 The optical performance of thin film polarizers is highly sensitive to the layer thicknesses of thin film.The thicknesses of the sensitive layers are optimized in order to gain broader polarizing zone in such case when the total layer thickness does not increase.An automatic layer thickness control system is established,and errors caused by different monitoring methods are analyzed.With this thickness control system,thin-film polarizers with Tp higher than 98%and Tp/Ts higher than 200:1(Tp and Ts are transmissions for p- and s-polarizations,respectively) with the bandwidth of 11 nm are prepared.Using the system allows for optimum repeatability of three successive runs. The optical performance of thin film polarizers is highly sensitive to the layer thicknesses of thin film.The thicknesses of the sensitive layers are optimized in order to gain broader polarizing zone in such case when the total layer thickness does not increase.An automatic layer thickness control system is established,and errors caused by different monitoring methods are analyzed.With this thickness control system,thin-film polarizers with Tp higher than 98%and Tp/Ts higher than 200:1(Tp and Ts are transmissions for p- and s-polarizations,respectively) with the bandwidth of 11 nm are prepared.Using the system allows for optimum repeatability of three successive runs.
出处 《Chinese Optics Letters》 SCIE EI CAS CSCD 2010年第6期624-626,共3页 中国光学快报(英文版)
关键词 Control systems Optical instruments Thickness control Thin films Control systems Optical instruments Thickness control Thin films
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同被引文献28

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