Design and Implementation of Wide-Angular Universal Broadband Visible Antireflection Coating for Various Substrates
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概要
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We proposed a simple design method based on a scanning search algorithm for obtaining an acceptable wide-angular universal visible (vis) antireflection (AR) coating design with the incident angles over the range 0--30° for different glass substrates having refractive indices ranging from 1.472 to 1.750. We then applied AR-coating to seven different glass substrates in the same deposition run using ion-assisted deposition. It was shown that the measured and calculated wide-angular universal vis AR effects were in agreement, where the total average vis reflectances at angles 0 and 30° for the practical AR-coated substrates can be effectively reduced from 5.92 and 6.09% (uncoated substrates) to below 0.25 and 0.34%, respectively, which are comparable to the calculated reflectance values of 0.22 and 0.33%, revealing that an acceptable wide-angular universal vis AR performance can be obtained.
- 2013-04-25
著者
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JAING Cheng-Chung
Department of Optoelectronic System Engineering, Minghsin University of Science and Technology
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Kuo Li-Hsiang
Institute of Electronic Engineering, Chienkuo Technology University, Changhua 500, Taiwan, R.O.C.
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Liou Yeuh-Yeong
Institute of Electronic Engineering, Chienkuo Technology University, Changhua 500, Taiwan, R.O.C.
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Chang En-Wei
Institute of Electronic Engineering, Chienkuo Technology University, Changhua 500, Taiwan, R.O.C.
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