Rochon Polarizer

Rochon Polarizer


Rochon Polarizer is the earliest polarizer, which is made of two birefringence material prisms that are cemented together. This type polarizer separates incident beam into ordinary ray and extra-ordinary ray like Wollaston
Polarizer, but the extra-ordinary ray is straight transmitted through, while ordinary is transmitted with a deviation angle.

Features

Optical Cemented
High Polarization Purity.
Suitable for the Low or High Power Application.
 

Capability

Common Specification
Material α-BBO, MgF2, YVO4 or Quartz
Wavelength Range α-BBO: 200-3500nm
MgF2: 130-4000nm
YVO4:500-4000nm
Quartz 200-2300nm
Extinction Ratio α-BBO:< 5×10 -6
Quartz:< 5×10 -5
MgF2:< 5×10 -6
 YVO4:< 5×10 -6
Dimension Tolerance ±0.1mm
Surface Quality S/D 20-10
Beam Deviation < 3 arc minutes
Wavefront Distortion <Lambda/4 @632.8 nm
Damage Threshold >500MW/cm2
Coating Single Layer MgF2
Mount Black Anodized Aluminum

α-BBO Rochon Polarizer

Part Number Wavelength
Range(nm)
Extinction Ratio Separation     Angle (°) C.A.  (φa) OD    (φd) L
RCP6006 190-3500nm < 5×10 -6 8.0-14.0°    
8.05°@800nm
5.0 15.0 8.0
RCP6008 7.0 25.4 11.0
RCP6010 9.0 25.4 13.0
RCP6015 13.5 30.0 18.0
RCP6020 18.0 38.0 22.0

Quartz Rochon Polarizer

Part Number Wavelength
Range(nm)
Extinction Ratio Separation     Angle (°) C.A.  (φa) OD    (φd) L
RCP9006 200-2300nm < 5×10 -5 1.0-1.5°      
1°@1064nm
5.0 15.0 16.0
RCP9008 7.0 25.4 20.0
RCP9010 9.0 25.4 25.0
RCP9015 13.5 30.0 35.0
RCP9020 18.0 38.0 45.0

YVO4  Rochon Polarizer

Part Number Wavelength
Range(nm)
Extinction Ratio Separation     Angle (°) C.A.  (φa) OD    (φd) L
RCP8006 400-4000nm < 5×10 -6 9.8-13.0°      
10°@1550nm
5.0 15.0 8.0
RCP8008 7.0 25.4 11.0
RCP8010 9.0 25.4 13.0
RCP8015 13.5 30.0 18.0
RCP8020 18.0 38.0 22.0

MgF2  Rochon Polarizer

Part Number Wavelength
Range(nm)
Extinction Ratio Separation     Angle (°) C.A.  (φa) OD    (φd) L
RCP5006 130-4000nm < 5×10 -6 1.35°@532nm 5.0 15.0 16.0
RCP5008 7.0 25.4 20.0
RCP5010 9.0 25.4 25.0
RCP5015 13.5 30.0 35.0
RCP5020 18.0 38.0 45.0