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https://www.ecoptik.net/beam-splitter-coatings.html

PARAMETER:
Infrared beam splitter, dichroic 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
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)

2. Polarizing beam splitter coating plates

Substrate Fused: silica, BK7
Surface Figure: <λ/10 @ 632.8nm
Surface Quality: 40-20
Polarizing: Tp≥96%; Ts≤1%
Extinction Ratio: Tp:Ts>100:1
Wavelength Range: Visible, Near Infrared

3. Dichroic Beam Splitters

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)

4. Polarizing dichroic beam splitter cube

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%

Ecoptik (also known as BRD Optical) was founded in 2004, and is located in the city of Changchun-the optic base of China with a beautiful view and profound brd optical culture. We have state-of-the-art, modern technology machines for manufacturing and inspecting all kinds of precision optics. Ecoptik occupies an area of 2,000 square meters, supported by 120 workers.