Partial Reflective Coatings
  • Partial Reflective Coatings
  • Partial Reflective Coatings

Partial Reflective Coatings

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Partial Reflection (PR) coatings provide attenuation functions and are generally applied to output mirrors of laser cavity. Our company can design the PR coating with reflectance from 10% to 99.7% to achieve the desired performance.
Wideband PR coatings are typically used at 45 degrees angle to the beam splitting of wideband light, such as 50/5040/6030/70 with error at around 5%.
There is a kind of super wideband PR coatings that can split beam in a wide light region from UV, visible to infrared. This coating is widely used in optical components.


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Partial Reflection (PR) coatings provide attenuation functions and are generally applied to output mirrors of laser cavity. Our company can design the PR coating with reflectance from 10% to 99.7% to achieve the desired performance.
Wideband PR coatings are typically used at 45 degrees angle to the beam splitting of wideband light, such as 50/5040/6030/70 with error at around 5%.
There is a kind of super wideband PR coatings that can split beam in a wide light region from UV, visible to infrared. This coating is widely used in optical components.

1,Single Wavelength PR Coatings

Partial Reflective Coatings


Substrate: Fused silica, BK7 

Surface Figure:  <λ/10 @ 632.8nm
Surface Quality: 40-20
Chamfer:0.5mm×45°
Coating Material: Electron beam deposited dielectric multi-layers
Incident:0°/45°
Clear Aperture: > Central 85% of diameter


WavelengthReflectance and Tolerance
190nm-10.6μm10±2%,20±3%,30±3%, 40±3%,50±3%,60±3%,
  70±3%,80±3%,90±2%, 95±1.5%,98±1%,99±0.5%





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