Design and Fabrication of Mult-Wave Band Yellow Laser Filter Film

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Abstract:

In recent years, yellow laser has the broad application in military, civil use, health care and so on, so it is important to study the cavity facet film in yellow laser. In this paper, the substrate is Nd:YVO4,Ta2O5 and SiO2 are chosen as the film materials. A accurate film is designed and prepared with the specific refractive at the band of 589nm, 1064nm, 1178nm, 1342nm. The influence of thickness monitoring error on the measured spectral curve is analyzed. The film thickness control accuracy is improved by optimizing the parameters (for example: temperature, oxygen filling etc.) and adjusting the correction coefficient of sensitive layer. Finally,the influence of error on filter spectral characteristics is reduced. The result shows that the prepared film satisfies the using requirement standard.

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Key Engineering Materials (Volumes 609-610)

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100-105

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April 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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