17 September 2013 Design and preparation of frequency-doubled laser optical coatings for double wavelength with low waviness in short-wave
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Proceedings Volume 8904, International Symposium on Photoelectronic Detection and Imaging 2013: High Power Lasers and Applications; 89041H (2013) https://doi.org/10.1117/12.2034802
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China
Abstract
Coating for double wavelength is one of the important elements in frequency-doubled solid state laser. In this paper, the normal design and whole numerical optimal design were compared. With the same total number of layers, the waviness of coating for double wavelength is more than 0.4139% based on normal design method, while it will be reduced to 0.0109% by whole numerical design, and also the bandwidth can reach 50nm. In experiments, the HfO2/SiO2 multilayer films were prepared by IBS. The test results of film designed by the second method show that the transmissivity is above 99% at 532nm, waviness is 0.4%, and the reflectivity is above 99.9% at 1064nm.
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Huasong Liu, Huasong Liu, Lishuan Wang, Lishuan Wang, Yugang Jiang, Yugang Jiang, Chenghui Jiang, Chenghui Jiang, Yiqin Ji, Yiqin Ji, } "Design and preparation of frequency-doubled laser optical coatings for double wavelength with low waviness in short-wave", Proc. SPIE 8904, International Symposium on Photoelectronic Detection and Imaging 2013: High Power Lasers and Applications, 89041H (17 September 2013); doi: 10.1117/12.2034802; https://doi.org/10.1117/12.2034802
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