Anti-Reflection Coating (AR)
  • Anti-Reflection Coating (AR)
  • Anti-Reflection Coating (AR)
  • Anti-Reflection Coating (AR)

Anti-Reflection Coating (AR)

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Anti-Reflection (AR) coating is one of widely used optical thin-film coatings that can be applied to the surfaces of optical elements to reduce reflection and to improve transmittance within some spectral region.
BRD Optical provide AR coatings with appropriate materials and optimized configuration on a substrate material specified by the customer, with specified transmittance and a specified wavelength region.


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Anti-Reflection (AR) coating is one of widely used optical thin-film coatings that can be applied to the surfaces of optical elements to reduce reflection and to improve transmittance within some spectral region.
BRD Optical provide AR coatings with appropriate materials and optimized configuration on a substrate material specified by the customer, with specified transmittance and a specified wavelength region.

1, Single wavelength Anti-Reflection Coating

 A single wavelength AR Coating can be made non-reflective only at one wavelength, usually at the middle of the visible. Multiple layers are more effective over the entire visible spectrum.  

Anti-Reflection Coating (AR)

            

Substrate: Fused silica, BK7, etc.
Surface Figure: <λ/10 @ 632.8nm
Surface Quality: 40/20
Chamfer: 0.5mm×45°
Coating Material: Electron beam deposited dielectric multi-layers
AOI: 0°/ 45°
Clear Aperture: > 85% of diameter



Wavelength (nm)Reflectance
193<0.5%
284 <0.5%
355 <0.2%
632.8 <0.2%
670<0.2%
780<0.2%
808<0.2%
980<0.2%
1030<0.2%
1053<0.2%
1064<0.2%
1310<0.15%
1550 <0.15%
  •  Other wavelengths, AOI and dimensions available upon request


2, Dual Wavelength AR Coatings

Dual Wavelength AR Coatings is designed to provide high transmission at two different wavelength. They are useful for optics which must transmit a visible alignment laser as well as a UV or near IR process beam. It is also useful for transmission of fundamental and first harmonic wavelengths.

Anti-Reflection Coating (AR)


    

  Substrate: Fused silica, BK7, etc.
  Surface Figure: <λ/10 @ 632.8nm
  Surface Quality: 40/20
  Chamfer: 0.5mm×45°
  Coating Material: Electron beam deposited dielectric multi-layers
  AOI: 0°/ 45°
  Clear Aperture: > 85% of diameter



Wavelength (nm)Reflectance
166/5320.5%/0.3%
351/1053   0.5%/0.3%
373/7450.5%/0.3%
532/10640.5%/0.3%
1064/15350.5%/0.3%
792/20600.5%/0.3%
  •  Other wavelengths, AOI and dimensions available upon request

3, Broadband Multilayer AR Coatings

These coatings have excellent performance over a broad spectral range broadband. Coating performance is sensitive to angle of incidence. Broadband Multilayer Anti Reflection coatings substantially reduce surface reflectance over a broad spectral region.  

Anti-Reflection Coating (AR)

  

  Substrate: Fused silica, BK7, etc. 
  Surface Figure: <λ/10 @ 632.8nm 
  Surface Quality: 40/20 
  Chamfer: 0.5mm×45° 
  Coating Material: Electron beam deposited dielectric multi-layers 
  AOI: 0°/ 45°
  Clear Aperture: > 85% of diameter



Range of WavelengthReflectance
350-650<0.5%
420-670<0.5%
650-1050<0.5%
1050-1550<0.5%
  •  Other wavelengths, AOI and dimensions available upon request



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