Hot-pressed ZnS post-treatment modification and analysis of its high temperature properties

Gan Shuowen; Yang Yong; Lian Weiyan; Zhang Gaofeng; Shang Qinglin; Wang Yuezhong; Ma Jinpeng

Zinc sulfide(ZnS) is an important infrared material because of its optical characters in 8-10 m. It is widely used in the area of missile dome, infrared astronomical satellite, infrared spectrometer, measure instrument and thermal imager. The high temperature treatment make hot-pressed ZnS crystal develop, therefore, hexagonal ZnS and crystal pores are eliminated in the polycrystal ZnS samples. The infrared transmittance is increased. The average transmittance of post-treatment ZnS sample is 73% in the range from 2 m to 10 m, and 60% at 1.064 m, with 5 mm in thickness. The thermal shock resistance test results that the post-treatment ZnS reserve mechanics characters of hot-pressed ZnS before, and it make optical-electro detecting system imaging clarity through post-treatment ZnS window at 400 ℃.

1. Tianjin Jinhang Institute of Technical Physics,Tianjin 300308,China

Received Date: 2014-12-14

Rev Recd Date: 2015-01-15

Publish Date: 2015-08-25

Key words:

Abstract: Zinc sulfide(ZnS) is an important infrared material because of its optical characters in 8-10 m. It is widely used in the area of missile dome, infrared astronomical satellite, infrared spectrometer, measure instrument and thermal imager. The high temperature treatment make hot-pressed ZnS crystal develop, therefore, hexagonal ZnS and crystal pores are eliminated in the polycrystal ZnS samples. The infrared transmittance is increased. The average transmittance of post-treatment ZnS sample is 73% in the range from 2 m to 10 m, and 60% at 1.064 m, with 5 mm in thickness. The thermal shock resistance test results that the post-treatment ZnS reserve mechanics characters of hot-pressed ZnS before, and it make optical-electro detecting system imaging clarity through post-treatment ZnS window at 400 ℃.

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Hot-pressed ZnS post-treatment modification and analysis of its high temperature properties

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