Gold Member Since 2016
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Qinhuangdao Intrinsic Crystal Technology Co., Ltd.

Glass Bk7 Windows, Optical Windows, Factory Products manufacturer / supplier in China, offering Optical Glass Bk7 Window, Optical Windows, Znse Plano-Convex Biconvex Concave Optical Lens, Viewport – Barium Flouride (BaF2) on CF Flanges and so on.

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Optical Glass Bk7 Window, Optical Windows

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Beijing, China
Production Capacity: 5000
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Model NO.: D5~D300mm
  • Type: Flat Lens
  • Shape: Round
  • Certification: RoHS, ISO9001
  • Coating: R Ar Bbar Gold Aluminaine
  • Usage: Optical
  • Transmittance: >95%
  • Material: Optical Glass
  • Customized: Customized
  • HS Code: 9001909090
Product Description

A borosilicate crown glass, BK7 is relatively hard, does not scratch easily, and can be handled without special precautions. Good performance over visible and near IR spectrum for most application.

The ideal window allows the optical beam to pass unimpeded and unchanged with high durability according to requirement of applications. In order to come close to this ideal, our windows and optical parallels are manufactured considering with transmittance, homogeneity, sub-surface damage, surface flatness and parallelism of the materials or in polishing processes to achieve high transmittance, low wavefront distortion and low scatter.

Non-coated and AR coated products are available.
Optical Glass Bk7 Window, Optical WindowsOptical Glass Bk7 Window, Optical Windows

 Standard Specifications:  

Optical Material: 
Diameter Tolerance:
Thickness Tolerance:
Clear Aperture:
Parallelism:
Surface Quality:
Wavefront Distortion:
Bevel:
Coating:

BK7 Grade A Optical Glass 
+0.0, -0.1mm
± 0.2mm
>85%
see the table 
20-10 scratch and dig 
see the table
<0.25mm X 45°
available upon request

 
Optical Glass Bk7 Window, Optical WindowsOptical Glass Bk7 Window, Optical Windows
Standard Glass BK7 Windows
Dia(mm)
T(mm)
Wavefront Distortion
Product Number
Parallelism 5 arc sec
10.0
6.0
Lambda/10
ICC-WDBH0001
12.7
6.0
Lambda/10
ICC-WDBH0002
25.0
6.0
Lambda/10
ICC-WDBH0003
25.4
6.5
Lambda/10
ICC-WDBH0004
30.0
6.0
Lambda/10
ICC-WDBH0005
50.0
10.0
Lambda/4
ICC-WDBH0006
75.0
15.0
Lambda/4
ICC-WDBH0007
Parallelism 1 arc min
10.0
3.0
Lambda
ICC-WDBL0101
12.7
3.0
Lambda
ICC-WDBL0102
15.0
1.0
Lambda
ICC-WDBL0103
15.0
3.0
Lambda
ICC-WDBL0104
25.0
3.0
Lambda
ICC-WDBL0105
25.4
3.5
Lambda
ICC-WDBL0106
30.0
3.0
Lambda
ICC-WDBL0107
50.0
6.0
2Lambda
ICC-WDBL0108
50.8
6.0
2Lambda
ICC-WDBL0109
75.0
15.0
2Lambda
ICC-WDBL0110
Please Contact Qinhuangdao Intrinsic Crystal Technology Co., Ltd for other dimensions in prototype and production quantities.
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Miss Lisa (shuaijie.hou)
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