High Quality Bk7 Brewster Windows

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Crystrong Photonics Technology Co., Ltd.

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Medical, Optical
Glass
ISO9001
Shockproof Carton
China
Product Description
Product Description
Brewster windows are uncoated optical components that are specifically designed to minimize reflection losses for light with a particular polarization. They are typically made of materials like fused silica or sapphire, and their surfaces are precisely angled to achieve a specific angle of incidence, known as Brewster's angle.  

At Brewster's angle, the reflection coefficient for light with a particular polarization (usually p-polarized light) becomes zero. This means that almost all of the light of that polarization can pass through the window without being reflected. The other polarization (s-polarized light) is partially reflected.  


Applications:
- Laser cavities: They can be used to ensure that the laser beam remains linearly polarized, which is often essential for optimal performance.  
- Polarizers: They can be used in combination with other optical elements to create polarizers, which selectively transmit or block light of a particular polarization.  
- Optical isolators: They can be used in conjunction with Faraday rotators to create optical isolators, which prevent reflected light from interfering with the operation of a laser or other optical system.
- Optical amplifiers: They can be used to reduce reflection losses in optical amplifiers, which can improve their efficiency and output power.

 
ParameterBk7 Brewster Window Sheet Fused Silica Brewster Window Sheet
Wavelength Range350-2000 nm185-2100 nm
Dimension Tolerance+0.0 / -0.1 mm+0.0 / -0.1 mm
Thickness Tolerance±0.1 mm±0.1 mm
Clear Aperture>85%>85%
Surface Quality10/2010/20
Wavefront Distortionλ/8λ/8
Bevel<0.25 mm * 45°0.25 mm * 45°
CoatingCustomizable based on client request 
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