Anti-Reflection Coating (AR) Of Optical Products
Anti-Reflection Coating (AR)

PARAMETER:

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.


Ecoptik (also known as BRD Optical) provides AR coatings with appropriate materials and optimized configuration on a substrate material specified by the customer, with specified transmittance and a specified wavelength region.

  • Description

Anti-Reflection (AR) coating is one of the 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 regions.


Ecoptik (also known as BRD Optical) provides AR coatings with appropriate materials and optimized configuration on a substrate material specified by the customer, with specified transmittance and a specified wavelength region.


Single wavelength Anti-Reflection Coating

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.

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



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.


Dual Wavelength AR Coatings    




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%
351/10530.5%/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


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.


Broadband Multilayer AR Coatings



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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