Optical Protection Windows/Optical Protection Sheet/Laser Protection Window/Brewster Optical Window

• After-sales Service: 3r Policy-Return, Replace, Refund
• Warranty: 12months
• Usage: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc
• Type: Optical Windows
• Transmittance: 80%-90%
• Shape: Single-lens
• Model NO.: RAY-LH328#
• Material: Optical Glass
• Lenses Color: Clear
• Certification: RoHS, ISO9001, CE
• Customized: Customized
• Coating: Uncoating
• Substrate: UV Fused Silica
• Surface Quality: 10-5 Scratch-Dig or Custom Manufacturing
• Surface Flatness: Lambda/10 @ 632.8nm
• Parallelism(Wedge) I: Less Than 10 Arc Seconds
• Wavelength Range: 195-2100 Nm
• Transport Package: Cartons or Wood Case
• Specification: 22.11/44.21mm, 12.5mm/25.0mm
• Trademark: Raytek
• Origin: China
• HS Code: 9002909090
• Production Capacity: 100000PCS Per Year

Product Description

General Introduction: The Raytek's Brewster windows are made of UV grade fused silica with laser grade surface quality and parallelism, making them ideal polarizers for use inside a laser cavity.

Products Name: Brewster Windows
Alias: Brewster optical windows, Brewster laser windows, Brewster laser protective windows, Brewster optics, Brewster mirror,etc

Lens Substrates:
UV fused silica

Optional I:	UV fused silica from CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,ETC
Optional II:	Equivalent UV fused silica Made in China, C-laser own brands

Coating:
Uncoating

Main Applying:

Applying Fields I:	Mainly used as Polarizers for Laser Cavities
Applying Fields II:	Laserline & Broadband Applications
*****

Products Highlights:
1).Ideal for Laser Cavities
2).p-polarized light transmitted without loss
3). λ/10 transmitted wavefront distortion
4). 10-5 Scratch-Dig
5).Different grades materials for option.
6).High precision & high surface roughness;
7).Sizes can be customized as per the customers' request
8).Quick lead time and delivery time.
9).Matching super optics custom and processing capacity, including Moulding, CNC machining, Polishing, Particle beam processing, Magnetic flux conversion processing, Grinding, Coating, Lightweighting, Custom Shaping, Counterbores, Drilling & Coring, Edge & Bevel Polishing,3D Contouring, Bevels & Chamfers, Steps & Slots, Laser Cutting & Marking, Metrology & Inspection, Precision Pitch Polishing, Double-Sided Polishing, Optical Assembly, Measuring, etc.
10).Excellent post-sale quality warranty, with "3R"-return, replace & refund policy

Main Optical Tech Specification:

Lens Shape	Brewster Windows	Surface Accuracy Irregularity	-
Lens Material	UV Grade Fused Silica	Thickness Tolerance	-
Coating	Uncoating	Chamfers	-
Wavelength Range	195-2100 nm	Chamfers Angle/Tolerance	-
Wavefront Distortion	λ/10 @ 632.8 nm, transmitted	Dia. Tolerance	+0.0/-0.25 mm
Thickness Tolerance	± 0.2 mm	Parallelism	≤ 10 arc seconds
Surface Quality	10-5cratch-dig	Clear Aperture	Central 90% of diameter
Surface Flatness	λ/10 @632.8 nm	OEM/ODM	Accepted

Popular Physical Size Specification:
 

Basic Data	Value
Major Axis	22.11mm/44.21mm
Minor Axis	12.50mm/25.00mm
Surface Flatness I	λ/10 @632.8 nm
Parallelism(Wedge) I	≤ 10 arc seconds
AR. Coating Model I	Uncoated
Popular Dia.Value II
Matching Thickness II
Surface Flatness II
Parallelism II
AR.Coating Model II
Other Size Speicification	Custom manufacturing as per demand

Main Cooperation Materials Manufacturers:
CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,C-LASER,ETC

Main Export Countries & Areas:
Usa, Uk, Japan, Germany, Spain, France, Swiss, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arab, Turkey, Finland, Poland ,etc.

Raytekoptics Extra value added services offered:
1). Optical workcraft & process solution design;
2). Rough processing raw materials;
3). Semi finishing raw materials;
4). Fabricate custom sizes and shapes;
5). Design and supply custom coatings;
6). Modify and resurface customer supplied materials;
7). Drill holes, notch glass and provide beveled substrates;
8). Precision polish optics with non-standard aspect ratios;

Payment Method: by T/T or Western Union.
Delivery time: 7-10 days.
Quality Warranty: Ruitaiphotoelectric(Raytekoptics) offers quality warranty for our optics products with "3R" policy. For any inferior-quality products, Ruitaiphotoelectric(Raytekoptics) is responsible for return, replacement and refund.