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Uncoated BK7 Optical Glass For Window , Visible Light Optical Quality Glass

Jinan Crystrong Photoelectric Technology Co.,Ltd
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Uncoated BK7 Optical Glass For Window , Visible Light Optical Quality Glass

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Brand Name : CRYSTRONG

Place of Origin : Jinan,China

MOQ : 1-5

Price : Negotiation

Payment Terms : Net 30 days

Supply Ability : Stock

Delivery Time : 5-30days upon order quantity

Packaging Details : vacuum packaging,plastic box,carton

Clear aperture : >80%

Thickness tolerance : ±0.2mm

Wave front distortion : 1/4 @633nm

Parallelism : 1 arc minute

Diameter tolerance : +0.0-0,1mm

Coating : uncoated

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BK7 Window High Thermal Expansion Coefficient For Optical System

Windows are widely used on optical system. There can be extreme differences of temperature, pressure, humidity and other parameters on either side of the window. The optical, mechanical and thermal properties of windows including BK7 windows. Fused silica windows,CaF2 windows, Sapphire windows.

Mirror are designed for visible light; however, mirrors designed for other types of waves or other wavelength or electromagnetic radiation are also used. Especially in non-optical instruments.

Product description:

The window is made from BK7 material, which has transparent range from 330-2100nm. The refractive index is 1.5164 at 588nm. The BK7window has good performance over visible and near IR spectrum for most application.

Specification:

Material BK7
Diameter tolerance +0.0-0,1mm
Thickness tolerance ±0.1mm
Clear aperture >85%
Parallelism 1 '(Standard),10/5(High Precision)
Surface quality 60/40(standard),10/5(high precision)
Wave front distortion 1/4 @633nm
Bevel <0.25mmx45°
coating uncoated

Product Tags:

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