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Polarizing Beam splitter Plates

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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)
20/25.4/30	780
20/25.4/30	1064
20/25.4/30	1310
20/25.4/30	1550

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)

Incident Angle	TWavelength (nm)	Transmission	RWavelength	Reflectance
0°	808	>90%	946	>99.5%
0°	808	>90%	1064	>99.5%
0°	808	>90%	1320	>99.5%
0°	940	>90%	1030	>99.5%

Polarizing Beam splitter 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

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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