Manufacture Custom AR Coated Tempered N-bk7 Cover Glass H-K9L Window For Flashlight

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Product Overview

Description


Manufacture Custom  AR Coated Tempered N-bk7 Cover Glass  H-K9L Window For Flashlight


 


 


 

 



Product Description


 


N-BK7 H-K9L Cover Glass Specifition


K9 Glass is used for windows, lenses, and prisms where transmission in the range 0.4µm to 1.4µm is desired. the refractive index varies from about 1.53 to 1.5 through this range. it is used for thermally non-critical applications.  is used for windows, lenses, and prisms where transmission in the range 0.4µm to 1.4µm is desired. the refractive index varies from about 1.53 to 1.5 through this range. it is used for thermally non-critical applications.  is used for windows, lenses, and prisms where transmission in the range 0.4µm to 1.4µm is desired. the refractive index varies from about 1.53 to 1.5 through this range. it is used for thermally non-critical application.









































propertyspecification
  Transmission range  0.4µm to 2.5µm
Density  2.51 g/cc
Thermal expansion  7.1x10-6 /°k @ -30° + 70°c, & 8.3x10-6 /°k @ 20°c to 300°
Surface finish  bk-7 polishes extremely well & polishes of 10-5, or 20-10 scratch-dig are achieved at extra costs respectively, mainly for uv & visible applications.
Surface figure  surface figure
Ar coating options  ar @ 0.8-2.5µm, ar @ 1.064, ar @ visible wavelength.
Typical applications  astronomical, thermal imaging
Products manufactured  lenses, windows, wedges, prism, beamsplitters, filters

 


 


N-BK7 H-K9L Cover Glass Transmistance:


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N-BK7 H-K9L Show:


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Company Information

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