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Optic-electric conversion device series

Infrared sapphire window

Font Size: [Big][Mid][Small] 2013-11-5  Views: 676

Outer least 1.5um gold electroless plating, inner 2-3un electrolytic nickel plating, surface quality (surface roughness) better than 1.6um

Cover Material: Kovar (4J29)

Antireflection coating on both sides of the window there are specific requirements:

   > 92% (average 96% of transmittance) in the wavelength range of 450-1700, and

   > 94% (mean 95.5% transmittance) in the wavelength range 1200-1700.

Sapphire window sides that are not visible to the naked eye blemishes and spots, the whole surface of the window requirement is 20-10S & D, chamfer less than 0.5mm;

Sapphire windows AR coated on both sides, do not spread to the membrane system cover.

Antireflection coating adhesion test tape detection methods must be;

 

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