Optical Protection Windows/Optical Protection Sheet/Laser Windows

• Customization: Available
• After-sales Service: 3r Policy-Return, Replace, Refund
• Warranty: 12months
• Model NO.: RAY-LH471#
• Usage: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc
• Type: Optical Windows
• Transmittance: >95%
• Shape: Single-lens
• Material: Optical Glass
• Lenses Color: Clear
• Certification: RoHS, ISO9001, CE
• Customized: Customized
• Coating: Uncoating
• Substrate: Sapphire
• Surface Quality: 40-20 Scratch-Dig or Custom Manufacturing
• Surface Flatness: 2lambda at 633nm or Custom Manufacturing
• Wavelength Range: 150-5000nm
• Thickness: 2-3.2mm or Custom Manufacturing
• Transport Package: Cartons or Wood Case
• Specification: 12.7mm-50.8mm or custom manufacturing
• Trademark: Raytek
• Origin: China
• HS Code: 9002909090
• Production Capacity: 100000PCS Per Year

Product Description

General Introduction:
Raytek's uncoated sapphire window is suitable for harsh conditions, including high temperature, high pressure, strong vacuum or corrosive environments. Sapphire has high compressive strength and strong acid resistance.
Unique characteristics of sapphire materials
Sapphire is a single crystal form of alumina, which has good chemical, mechanical and optical properties. Sapphire is resistant to strong acid corrosion and can be used in corrosive environment. The surface is scratch resistant and wear-resistant, with a Knoop hardness of 1800 parallel to the optical axis (c axis) and 2200 perpendicular to the optical axis.

Lens Substrates:
Sapphire 

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

Uncoating:
Wide transmission range
The uncoated sapphire is transparent in a wide wavelength range from 170 nm to 5.5μM

Main Applying:

Applying Fields I:	Harsh optical applying conditions. Make an observation window to observe the interior of vacuum cavity or cavity containing high temperature plasma
Applying Fields II:	Other
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Products Highlights:
1).Very suitable for high temperature, high pressure or strong vacuum environment
2).Very corrosion resistant
3).The transparent range is 170 nm to 5.5 μm
4).Very hard, more durable than standard optical glass
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	Optical Parallel Window	Surface Accuracy Irregularity	-
Lens Material	Sapphire	Surface Accuracy, Power	-
Antireflection Coating	Uncoating	Thermal Limit	22 W m^-1 K^-1
Coating Type	-	Thermal Expansion Coefficient	8.4 x 10^-6K^-1
Coating Code	-	Edge Finish	Ground and beveled
Wavelength Range	150-5000nm	Birefringence	SAW: 0.008 for visible light orthogonal to optical axis
Surface Quality	40-20 scratch-dig 80-50 scratch-dig	Clear Aperture	SW8: central 80% of diameter SAW: central 90% of diameter
Surface Flatness	2λ at 633 nm λ/4 at 633 nm	OEM/ODM	Accepted

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.