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Beam Splitter coatings
  • Beam Splitter coatings
  • Beam Splitter coatings
  • Beam Splitter coatings
  • Beam Splitter coatings

Beam Splitter coatings

parameter:

Beam splitter divides or combines beams with desired transmittance and reflectance in a required wavelength region, or divides beam light into the P-polarization and S-polarization components.


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Beam splitter divides or combines beams with desired transmittance and reflectance in a required wavelength region, or divides beam light into the P-polarization and S-polarization components.

1,45°Beam Splitters


Substrate: Fused silica, BK7 Beam Splitter coatings
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°
Laser-Induced Damage Threshold: >5J/cm2 (1.06μm,1ns)

Incident AngleWavelength
  (nm)

Separating
Tolerance


Tave/RaveTp/RpTp/Rp
45°510-50050/50

±3%
45°780
50/50
±3%
45°632.850/50

±3%

2,Polarizing Beam splitter Plates


Substrate Fused: silica, BK7 Beam Splitter coatings
Surface Figure: <λ/10 @ 632.8nm
Surface Quality: 40-20
Chamfer: 0.5mm×45°
Coating Material: Electron beam deposited----------dielectric multi-layers
AOI: 56.6°±3°
Polarizing: Tp≥96%; Ts≤1%
Extinction Ratio: Tp:Ts>100:1
Wavelength Range: Visible, Near Infrared


Wavelength(nm)Wavelength(nm)
20/25.4/30780
20/25.4/301064
20/25.4/301310
20/25.4/301550

3,Dichroic Beam Splitters

Substrate: Fused silica, BK7 Beam Splitter coatings
Surface Figure: <λ/10 @ 632.8nm 
Surface Quality: 40-20 
Chamfer: 0.5mm×45° 
Coating Material: Electron beam deposited dielectric: multi-layers 
Incident: 0°,
Laser-Induced Damage Threshold: >5J/cm2 (1.06μm,1ns) 

Incident AngleTWavelength
  (nm)
TransmissionRWavelengthReflectance
808>90%946 >99.5%
808>90%1064 >99.5%
808>90%1320>99.5%
940 >90%1030>99.5%


4,Polarizing Beam splitters Cubes


Substrate: Fused: silica, BK7 Beam Splitter coatings
Surface Figure:  <λ/10 @ 632.8nm
Surface Quality: 40-20
Chamfer: 0.5mm×45°
Coating Material: Electron beam deposited dielectric: multi-layers
Incident:0°±2°
Polarizing: Tp≥98%; Ts≤0.2%
Extinction Ratio: Tp:Ts>500:1
AR Coating: R<0.25%

Wavelength (nm)
632.8
780
830
852
1064
1310
1550
420-470



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