Window
The ideal windows are used to allow optical radiation to pass from one environment to another without allowing other elements of these environments to mix. And it does not change the wavelength distribution of the beam, the transmitted wave front nor does it scatter any of the light out of the beam.
To select a window, material, transmission, scattering, wave front distortion, parallelism, and resistance to environment should be considered. We offer a variety of windows. They are good quality, durable and strong.
Materials used include BK7 (optical glass), B270, float glass, UV fused silica, Sapphire, CaF2, MgF2, Silicon, Ge, ZnSe, ZnS, KBr, NaCl, etc.
We manufacture windows with different shape, such as round, rectangular, elliptical, ring or any other shape. AR coating is available upon request.
Technical Capability
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Material: |
As listed above |
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Diameter: |
Φ1 – 600mm |
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Diameter tolerance: |
+0/-0.02mm |
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Thickness: |
> 0.15mm |
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Thickness tolerance: |
+/-0.02mm |
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Clear aperture: |
> 90% |
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Parallelism: |
< 1” |
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Surface quality: |
Up to 10-5 |
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Flatness: |
Up to Lambda/20 @ 632.8nm |
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Coating: |
With or without AR coating |
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Plano convex cylindrical lens | Cylindrical lenses are either Plano-convex or Plano-concave in form and rectangular in shape. These lenses are used in applications requiring magni... |
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Positive Meniscus Lens | These lenses may be used to increase the numerical aperture of a positive lens assembly, without an undue increase in the aberrations. Capability ... |
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Sapphire prism | Sapphire prism Sapphire has the characteristic of high hardness, thermo stability, excellent thermal conductivity, infrared transmitting, anti-chem... |
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Double convex lens | Like Plano-convex lens, double convex lenses have positive focal lengths and form both real and virtual images. Symmetry is assured by finishing bo... |
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Ultra smooth surface window | Ultra smooth surface window Ultra smooth surface has a roughness less than 1nm. We can achieve a roughness of 0.1nm with the substrate of fused ... |
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