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HG Optronics.,INC. can provide Metal Coated Mirror，Dielectric Coated Mirror and Dichroic Mirror which are made of substrate such as BK7, Optical glass, Fused Silica, CaF2 and so on.
Product Origin:
ChinaShipping Port:
Fuzhou, ChinaLead Time:
4 weeks
1.1. What Metallic Coated types can HG OPTRONICS supply?
HG OPTRONICS mainly offers four coating types, including:
1) UV Enhanced Aluminum : Ravg > 85% from 200nm to 400nm
2) Protected Aluminum: Ravg > 88% from 400nm to 800nm
3) Protected Silver: Ravg > 90% from 400nm to 2500nm
4) Protected Gold: Ravg > 95% from 650nm to 2000nm
1.2. What are the features of Metallic coated mirror?
Metallic coated mirror have many key features below: Wide spectral range Not sensitive to the incidence angle and polarization state Low cost Non-durable Relatively low reflectance Low laser damage threshold
1.3. What HG OPTRONICS can do for you?
|
Common Specifications: |
Substrate Materials: N-BK7, Fused silica, Pyrex；Float glass |
|
Dimensional tolerance: |
+/-0.1mm |
|
Surface quality: |
60-40 |
|
Parallelism: |
3’ |
|
Flatness: |
λ/4 per 25mm@633nm |
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Bevel: |
Protective One |
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surface: |
Polished and Metallic coating |
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The other surface: |
Fine ground |
1.4. Note:
Aluminum is the most widely used metal reflection film, from near UV to near IR, have high reflectivity, and with low cost. Silver has higher reflectivity in the visible and near infrared wavelength than the aluminum film, but the silver in the air will be rapid oxidation, color darkening, makes the film performance and firmness declined rapidly. Gold film has a good consistency with high reflectivity in the near, middle and far infrared range, can control the thermal radiation effectively, but it is relatively soft, easy bruising, and should be paid very close attention to clean, and the cost is very high.
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