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2003•Acta Scientiarum Naturalium Universitatis SunyatseniRequires access

Antireflective films optimization of ZnS ceramics infrared windows

Li Lin, 董连和, 黄良钊

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Abstract

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

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What this paper is about

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

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Available abstract

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

Key concepts: Transmittance, Anti-reflective coating, Infrared, Materials science, Substrate (aquarium), Ceramic, Layer (electronics), Optoelectronics

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