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|
|Payment Terms:||T/T, Western Union, Paypal|
- 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
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:
|BK7||Transmission Range:330-2100 nm|
|Most Popular and low cost|
Visible and near IR spectrum applications
|Fused Silica||Transmission Range:185-2500nm|
Low Thermal Expansion Coefficient:0.54 x 10-6K
|UV to IR spectrum|
Best choice for thermal resistance application.
|Best choice for scratch resistance applications Thinner optics Wide Transmission Range|
|Calcium Fluoride||Transmission Range:170-7800nm|
High Thermal Expansion Coefficient:18.85 x 10-6K
|IR laser applications|
|UV laser applications|
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.
1 Package Detail: A. Standard carbon and envelop with plastic foam.
B. Safety green carton.
2 Delivery Detail: Within 30 days.(Also depand on the quantity)