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Beamsplitter Coatings

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45°Beamsplitter:

  • 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°
  • Laser-Induced Damage Threshold: >5J/cm2 (1.06μm,1ns)

Incident AngleWavelength (nm)SeparatingTolerance
Tave/RaveTp/RpTp/Rp
45°510-50050/50±3%
45°78050/50±3%
45°632.850/50±3%

Dichroic Beamsplitter:

  • 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°,
  • 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%

Polarizing Beamsplitter Cubes:

  • 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°±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

Polarizing Beamsplitter Plates:

  • 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
  • Imcident Angle: 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

Please contact our sales engineers for your custom Beamsplitter Coatings solutions today.

Call us to find out more about our services at +1 732-321-6915 or our design services team info@shanghai-optics.com directly for free initial technical consultation.

Our Optics, Your Vision!