Chinese Optics Letters, 2010, 8 (s1): 130, Published Online: May. 14, 2010   

Investigation of infrared transmittivity of Y2O3/diamond films Download: 672次

Author Affiliations
1 Department of Mechanical Engineering, Yangzhou University, Yangzhou 225009, China
2 Department of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjingare 210016, China
Abstract
Optical grade thick diamond films are polished on two sides by electron discharge machining (EDM) are with a mechanical method. The infrared transmittivities of Y2O3/diamond films are investigated in detail. Results indicate that the average infrared transmittivity is improved from 68.82% to 82.42% after deposition of Y2O3 at 10-μm central wavelength, and from 67.98% to 82.45% at 8–12-μm wave-band. The coated films meet the demands of infrared window applications. Therefore, the performance of the optical-class diamond thick films used in an actual infrared window can provide reliable application for basic research.

Rongfa Chen, Zhaoxia Shen, Lianggang Dai, Xianliang Zhang, Rui Zhu, Dunwen Zuo. Investigation of infrared transmittivity of Y2O3/diamond films[J]. Chinese Optics Letters, 2010, 8(s1): 130.

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