45 degree beam splitter
Base material: Fused quartz, K9 glass
Face shape：:<λ/10 @ 632.8nm Degree of finish：40-20  Chamfer：0.5mm, 45°  Coating：Electron beam deposition multilayer dielectric coating Angle of incidence：0°,45°  Clear aperture :> 85% diameter
laser-damaged threshold ：:>5J/cm2(1.06μm,1ns)

Base material: Fused quartz, K9 glass
Face shape：:<λ/10 @ 632.8nm Degree of finish：40-20 Chamfer：0.5mm, 45° Coating：Electron beam deposition multilayer dielectric coating Angle of incidence：0°,45° Clear aperture :> 85% diameter
laser-damaged threshold ：:>5J/cm2(1.06μm,1ns)

polarization splitting prism 
Base material: Fused quartz, K9 glass
Face shape：:<λ/10 @ 632.8nm Degree of finish：40-20  Chamfer：0.5mm, 45°  Coating：Electron beam deposition multilayer dielectric coating Angle of incidence：0°±2°  Clear aperture :> 85% diameter
Polarization transmittance: Tp≥98%; Ts≤0.2%
 extinction ratio: Tp:Ts>500:1 
Antireflection film on each passing surface:R<0.25%

Polarizing splitter
Base material: fused silica, K9 glass
Surface type: <λ / 10 @ 632.8nm Finish: 40-20 Chamfer: 0.5mm, 45 ° Coating: Multi-layer dielectric film deposited by electron beam Incidence angle: 56.5 ° ± 3 ° Clear aperture:> 85% diameter
Polarization transmittance: Tp≥96%; Ts≤1%
Extinction ratio: p: Ts> 100: 1
Band range: visible area, near infrared