Main > Acta Optica Sinica >  Volume 40 >  Issue 21 >  Page 2131002 > Article
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  • Received: Jun. 30, 2020

    Accepted: Jul. 24, 2020

    Posted: Nov. 1, 2020

    Published Online: Oct. 17, 2020

    The Author Email: Huang Hongyu (huanghyfilm@126.com)

    DOI: 10.3788/AOS202040.2131002

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    Xiuhua Fu, Hongyu Huang, Jing Zhang, Gong Zhang, Shiping Yin, Kewu Liu. Anti-Reflection Protective Film of Chalcogenide Glass Substrate and Its Environmental Adaptability[J]. Acta Optica Sinica, 2020, 40(21): 2131002

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Acta Optica Sinica, Vol. 40, Issue 21, 2131002 (2020)

Anti-Reflection Protective Film of Chalcogenide Glass Substrate and Its Environmental Adaptability

Fu Xiuhua1, Huang Hongyu1,*, Zhang Jing1, Zhang Gong1, Yin Shiping2, and Liu Kewu2

Author Affiliations

  • 1School of Optoelectronic Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, China
  • 2Guangdong Vital Advanced Materials Co., Ltd., Qingyuan, Guangdong 511517, China

Abstract

Based on the chalcogenide glass IRG206 (As40Se60) substrates, we prepare the 8-12 μm anti-reflection protective films. This kind of film contains two parts: dielectric film and diamond-like carbon (DLC) protective film. It can be applied in the window lens of the non-thermalized infrared detection system. Moreover, the fracture mechanism of dielectric films is studied, and the deposition temperature of dielectric films is optimized to improve the adhesion of dielectric films. In addition, the effect of pressure on the microstructures and stress of DLC films is studied. By splitting the DLC film into the low-stress adhesive layer and the high-stress friction-resistant layer, the film stress is reduced, but the friction resistance as well as firmness of films are improved. The test results reveal that the average reflectivity of anti-reflection films at 8-12 μm is 3%. Furthermore, the anti-reflection films pass through the salt spray test, high and low temperature test, and severe abrasion test specified by GJB2485-1995, and possess good environmental adaptability.

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