Antireflective films optimization of ZnS ceramics infrared windows

Lin Li; Lianhe Dong; Liangzhao Huang

Journals >Chinese Optics Letters >Volume 1 >Issue 10 >Page 10619 > Article

Chinese Optics Letters
Vol. 1, Issue 10, 10619 (2003)

Antireflective films optimization of ZnS ceramics infrared windows

Lin Li^1,*, Lianhe Dong², and Liangzhao Huang³

Author Affiliations

¹National Key Lab of High Power Semiconductor Lasers, Changchun University of Science and Technology

²College of Photoelectric Eng., Changchun University of Science and Technology

³College of Mater. Eng., Changchun University of Science and Technology, Changchun 130022

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Lin Li, Lianhe Dong, Liangzhao Huang, "Antireflective films optimization of ZnS ceramics infrared windows," Chin. Opt. Lett. 1, 10619 (2003) Copy Citation Text

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Abstract

The transmittance characteristics of ZnS ceramics with infrared (IR) (3 - 5 and 8 - 12 μm) antireflective coatings are studied. The film designs are optimized with programmed software. A double-side and double-layer scheme is employed. Two different double-layers with proper parameters are coated onto each side of a ZnS substrate. The measurement methods for transmittance are investigated. The measured transmittance for IR (3 - 5 and 8 - 12 μm) surpasses 70%.

Keywords

310.1210 310.1620 260.3060 antireflection coatings infrared