Gold Member Since 2017
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Changchun Yutai Optics Co., Ltd.

Optial Windows, Glass Windows, Optics manufacturer / supplier in China, offering for ND: YAG High Quality Bk7 Optical Windows, 1064nm YAG or Fibre Laser Cutting 1064nm Replacement Laser Lens Windows Mirrors, 2017 Diameter 25mm CO2 Mo Laser Mirror and so on.

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Supplier Homepage Product Windows for ND: YAG High Quality Bk7 Optical Windows

for ND: YAG High Quality Bk7 Optical Windows

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Port: Changchun, China
Production Capacity: 40000/Year
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Model NO.: 50
  • Type: Concave Lens
  • Shape: Single-lens
  • Lenses Color: Clear
  • Customized: Customized
  • Color: Transparent
  • Diameter Tolerance: +0.0/-0.15 mm
  • Surface Quality: 60/40,40/20 or Better
  • Bevel: 0.25mm×45 °
  • Transport Package: Safety Green Carton
  • Origin: Changchun
  • Usage: Medical, Optical
  • Transmittance: 90%-95%
  • Material: Optical Glass
  • Certification: RoHS
  • Coating: HC
  • Polished: Yes
  • Thickness Tolerance: +/-0.1mm
  • Parallelism: <3 Arc Minute
  • Clear Aperture: 90%
  • Specification: 50
  • HS Code: 9001909090
Product Description

BK7 window is the most common type of window. It has good performance over visible and near infrared wavelength region. At the same time,BK7 window is ideal for applications require minimal transmitted beam deviation. It is suitable for coating AR film.

Optical window materials comparison:

BK7Transmission Range:330-2100 nm
Refractive Index:1.564@588nm
Most Popular and low cost
Visible and near IR spectrum applications 
Fused SilicaTransmission Range:185-2500nm
Refractive Index:1.4858@1308nm
Low Thermal Expansion Coefficient:0.54 10-6K
UV to IR spectrum
Best choice for thermal resistance application.
SapphireTransmission Range:180-4500nm
Refractive Index:1.755@1000nm
Strong Hardness
Best choice for scratch resistance applications Thinner optics Wide Transmission Range
Calcium FluorideTransmission Range:170-7800nm
Refractive Index:1.399@5000nm
High Thermal Expansion Coefficient:18.85 10-6K
IR laser applications
MgF2Transmission Range:120-7000nm
Refractive Index:1.376@700nm
UV laser applications

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for ND: YAG High Quality Bk7 Optical Windows

Factory information

Yutai Optics, we specialize in the design and volume manufacturing of high performance optical components such as lens,prisms,windows,filters,mirrors and more for use in optical instruments and laser systems, as well as for military, telecommunications,medical, environment monitoring industry.
Yu Tai Optics has quickly established itself as a leader in optical components from its advanced technology and quality control. 
for ND: YAG High Quality Bk7 Optical Windows

Packaging & Shipping

 1 Package Detail: A. Standard carbon and envelop with plastic foam.

                               B. Safety green carton.

                               C. Customized.

for ND: YAG High Quality Bk7 Optical Windows

2 Delivery Detail: Within 30 days.(Also depand on the quantity)

for ND: YAG High Quality Bk7 Optical Windows

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