Description
General Introduction: The Raytek germanium window is very suitable for infrared applications of various wavelengths, including in low power CO2 lasers. Germanium also has low dispersion and is an ideal choice for imaging applications. The window sheet is coated with antireflection film, which can provide high transmittance of 3 to 12 μM..
Products Name: Germanium Optical Windows
Alias: Germanium Optical Window, Germanium windows, Germanium infrared windows, Germanium infrared optical windows, Germanium protective windows,CO2 Laser Protective Windows, CO2 Laser Windows,etc
Lens Substrates:
Optical Grade Germanium
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Optional I: |
Optical Grade Germanium from CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,ETC |
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Optional II: |
Equivalent Optical Grade Germanium Made in China, C-laser own brands |
Coating:
3 to 12 μm broadband coating
Our Ge parallel window is coated with ar.20 broadband antireflective film, which is suitable for the wavelength range of 3 μm to 12μM
Main Applying:
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Applying Fields I: |
Application of low power CO2 laser in laser. |
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Applying Fields II: |
Application of CO2 laser cavity imaging |
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***** |
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Products Highlights:
1).Good choice for near infrared applications
2).3 to 12aμ m wide band antireflective coatings
3).Excellent applications requiring low dispersion
4). Good choice for low power CO2 laser applications
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 |
Optical Grade Germanium |
Diameter Tolerance |
- |
|
Coating |
3 to 12 μm broadband coating |
Thermal limit |
59 W m-1 K-1 @ 293 K |
|
Coating Type |
- |
Coefficient of thermal expansion |
6.1 x 10-6 K-1 @ 298 K |
|
Damage Threshold |
- |
Dia. Tolerance |
10GE20: ±0.2
mm |
|
Thickness Tolerance |
- |
Parallelism |
- |
|
Surface Quality |
40-20cratch-dig |
Clear Aperture |
10GE20:
central 85% of diameter |
|
Surface Flatness |
λ/20 @ 10.6um |
OEM/ODM |
Accepted |
Popular Physical Size Specification:
|
Basic Data |
Value |
|
Popular Dia.Value I |
25.4mm |
|
Matching Thickness I |
2.0mm |
|
Surface Flatness I |
λ/20 @ 10.6um |
|
Parallelism(Wedge) I |
<3 arc minute |
|
AR. Coating Model I |
Uncoating |
|
|
|
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Popular Dia.Value II |
25.0mm/50.0mm/75.0mm,etc |
|
Matching Thickness II |
3.0mm,5.0mm,etc |
|
Surface Flatness II |
λ/20 @ 10.6um |
|
Parallelism II |
≤1arc min; |
|
AR.Coating Model II |
3 to 12 μm broadband coating |
|
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.
