Jiangsu, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
OEM/ODM Service
Sample Available

Step Window, Sapphire Step Window, Fused Silica Step Window manufacturer / supplier in China, offering Round Optical Step Window, H-K9l Plano-Concave Len with Gold Coating, Square Flat Cylindrical Optical Lens for Laser Focus and so on.

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Round Optical Step Window

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Min. Order: 5 Pieces
Port: Shanghai, China
Production Capacity: 30000PCS/Month
Payment Terms: T/T
Usage: Lighting, Medical, Optical, Photography
Type: Step Window
Transmittance: >95%
Shape: Custom-Made
Material: Sapphire, Fused Silica, Glass
Lenses Color: Clear

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Basic Info

Model NO.
RoHS, ISO9001
Lead Time
Thirty Days
Transport Package
Standard Carton and Envelop with Plastic Foam
HS Code

Optical sapphire window, sapphire lenses and sapphire sphere
Why choose the sapphire?

1-Thinner and Stronger than Standard Glass Windows
2-Transmits Wavelengths Ranging From UV to Mid-Infrared
3-Features Extreme Surface Hardness and Chemical Resistance
Sapphire Windows are manufactured from single crystal sapphire, making them ideal for demanding applications (such as laser systems) because of their extreme surface hardness, high thermal conductivity, high dielectric constant and resistance to common chemical acids and alkalis. Sapphire is the second hardest crystal next to diamonds and, because of their structural strength, sapphire windows can be made much thinner than other common dielectric windows with improved transmittance. Chemically, sapphire is single crystal aluminum oxide (Al2O3), and is useful in a transmission range from 0.2 - 5.5µm.


Materialoptical glass
Design Wavelength632.8 nm
Surface Figureλ/2
Diameter Tolerance+0.1, -0.1 mm
Thickness Tolerance±0.2 mm
Paraxial Focal Length±2%
Centration<3 arc minutes
Clear Aperture>85%
Surface Quality60-40 scratch and dig
Protective Bevel0.25 mm x 45°

Round Optical Step Window
Round Optical Step Window
Round Optical Step Window

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