Study of infrared AR and protection coating on MgF<sub>2</sub>

Xiuhua Fu; Lianhe Dong; Peng Lu; Xinhua Fu; Weibo Duan; Xiumin Li; Ruojing Yin

doi:10.1117/12.668134

1 February 2006 Study of infrared AR and protection coating on MgF₂

Xiuhua Fu, Lianhe Dong, Peng Lu, Xinhua Fu, Weibo Duan, Xiumin Li, Ruojing Yin

Proceedings Volume 6034, ICO20: Optical Design and Fabrication; 603415 (2006) https://doi.org/10.1117/12.668134
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

Infrared AR and protective complex film is coated on the MgF₂ substrate associated with ion source aid technology. The complex film is composed of multilayer dielectric film and super hard protective film. The function of dielectric film is antireflection while the super hard film is used as protective layer. Through analyzing the stress match, bond strength and binding force which exist between film and substrate as well as among layers, optimum materials are selected. Efficient antireflective and protective function are realized when the best technological parameter is chosen. The result of the experiment indicates that the reflection of single facet is reduced from 2.5% to 1.5%. Moist and thermal test as well as high and low temperature test have passed. The synthetic result of the experiment is also provided.

Citation Download Citation

Xiuhua Fu, Lianhe Dong, Peng Lu, Xinhua Fu, Weibo Duan, Xiumin Li, and Ruojing Yin "Study of infrared AR and protection coating on MgF₂", Proc. SPIE 6034, ICO20: Optical Design and Fabrication, 603415 (1 February 2006); https://doi.org/10.1117/12.668134

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