05 Aug 2015 Brief description:
The Window is made from BK7 material, which has transparent range from 330-2100nm. The refractive index is 1.5164 at 588nm. The BK7 window has good performance over visible and near IR spectrum for most application.
Specifications:
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Material:
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BK7
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Diameter Tolerance:
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+0.0, -0.1mm
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Thickness Tolerance:
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± 0.1mm
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Clear Aperture:
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>80%
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Parallelism:
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1'(Standard), 10"(High Precision)
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Surface Quality:
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60/40(Standard), 10/5(High Precision)
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Wavefront Distortion:
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l(Standard), l/10(High Precision) per 25mm @632.8nm
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Bevel:
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Coating:
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Uncoated, AR, HR, PR, Coating, etc.
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