Environmental Adaptability of Infrared Antireflection Films in Humid Hot Rain Forest

YANG Yuping; LIU Jian; ZHOU Xiaoyu; ZHAO Hongkun; LIU Yanfang; WANG Chongwen; ZHAO Yuanrong; GE Fan; XIAO Jianjun; LUO Rui; YANG Pinjie

Volume 43 Issue 12

Dec. 2021

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Article Navigation > Infrared Technology > 2021 > 43(12): 1197-1201

YANG Yuping, LIU Jian, ZHOU Xiaoyu, ZHAO Hongkun, LIU Yanfang, WANG Chongwen, ZHAO Yuanrong, GE Fan, XIAO Jianjun, LUO Rui, YANG Pinjie. Environmental Adaptability of Infrared Antireflection Films in Humid Hot Rain Forest[J]. Infrared Technology , 2021, 43(12): 1197-1201.

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Environmental Adaptability of Infrared Antireflection Films in Humid Hot Rain Forest

Yunnan North Photoelectric Instrument Co. Ltd., Kunming 650114, China

Received Date: 2020-10-11
Rev Recd Date: 2021-04-18
Publish Date: 2021-12-20

Abstract

Abstract

With the development of military infrared optical instruments, the requirements for the environmental performance of infrared optical coating elements are increasing. Antireflection films coated on Ge, ZnS, and ZnSe in the band of 8 to 12 μm are considered as the objects to study the environmental adaptability of infrared antireflection films to humid hot rain forest climate. The environmental adaptability is evaluated based on appearance, quality, and spectral transmittance, and the results are as follows: after three years of climate and environmental tests in hot and humid rain forest terrain, the infrared antireflection films are damaged, primarily through discoloration and delamination. With the extension of the test time, the discoloration becomes increasingly serious, and the discoloration area increases gradually. Initially, the mass decreases before increasing, and the spectral transmittance decreases slightly. The infrared antireflection films are invalid after three years of climate and environmental tests in hot and humid rain forests.
- infrared antireflection films,
- humid hot rain forest,
- environmental adaptability

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References

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