ROCHON POLARIZERS
Rochon polarizer is made of two birefringent material prisms cemented or optical contacted together. The Rochon prism was invented by and is named after Abbé Alexis Marie Rochon. It is in many ways similar to the Wollaston prism, but the ordinary ray passes through the prism undeviated. Any separation angle can be designed according to request of customers.
Features
• Multiple Polarization Materials Available
• Ordinary Rays Pass Through Undeviated
• Extraordinary Rays Deviate
Photonchina Specifications：
Material: a-BBO, Calcite, YVO4,Quartz,MgF2
Wavelength Range: a-BBO：190-3500nm,YVO4：500-4000nm
Quartz：200-2300nm，Calcite:350-2300nm
Extinction Ratio: Quartz：<5*10-5，α-BBO ,YVO4：<5*10-6,MgF2：<10-4
Surface Quality: 20 / 10
Beam Deviation: < 3 arc minutes
Wavefront Distortion: λ /4@633nm
Damage Threshold: >500 MW/cm2
Coating: Single MgF2
Mount: Black Anodized Aluminium
1. a-BBO Rochon Polarizer
C.A. fa(mm) O.D. fd(mm) L ¯0.1(mm)
6.0 15.0 15.0
8.0 25.4 17.0
10.0 25.4 19.0
15.0 30.0 23.0
20.0 38.0 29.0
2. YVO4 Rochon Polarizer
C.A. fa(mm) O.D. fd(mm) L ¯0.1(mm)
6.0 15.0 15.0
8.0 25.4 17.0
10.0 25.4 19.0
15.0 30.0 23.0
20.0 38.0 25.0
3. Quartz Rochon Polarizer
C.A. fa(mm) O.D. fd(mm) L ¯0.1(mm)
6.0 15.0 20.0
8.0 25.4 24.0
10.0 25.4 28.0
15.0 30.0 38.0
20.0 38.0 48.0
4. MgF2 Rochon Polarizer
C.A. fa(mm) O.D. fd(mm) L ¯0.1(mm)
6.0 15.0 14.0
8.0 25.4 18.0
10.0 25.4 18.0
15.0 30.0 38.0
20.0 38.0 48.0
Wollaston Polarizer
Photonchina’s wollaston polarizer can separate an incident beam into two rays: extraordinary and ordinary ray with a deviation angle which is dependent on wavelength. Both rays are transmitted through the other surface.
Specifications:
Material: a-BBO, Calcite ,YVO4,Quartz
Wavelength Range: a-BBO:190-3500 nm, Calcite:350-2300 nm, YVO4:400-5000 nm,Quartz:200-2300 nm
Extinction Ratio: Calcite,Quartz:<5x10-5; a-BBO,YVO4:<5x10-6
Parallelism: <1 arc Min
Surface Quality: 20/10
Beam Deviation: < 3 arc minutes
Wavefornt Distortion: λ/4@632.8nm
Damage Threshold: >500 MW/cm2
Coating: Single MgF2
Mount: Black Anodized Aluminium
1. a-BBO Wollaston Polarizer
C.A.φa (mm) O.D.φd (mm) L (mm)
6.0 15.0 15.0
8.0 25.4 17.0
10.0 25.4 19.0
15.0 30.0 23.0
2. Calcite Wollaston Polarizer
C.A.φa (mm) O.D.φd (mm) L (mm)
6.0 15.0 15.0
8.0 25.4 17.0
10.0 25.4 19.0
15.0 30.0 23.0
20.0 38.0 29.0
3. Yvo4 Wollaston Polarizer
C.A.φa (mm) O.D.φd (mm) L (mm)
6.0 15.0 15.0
8.0 25.4 17.0
10.0 25.4 19.0
15.0 30.0 23.0
20.0 38.0 29.0
4. Quartz Wollaston Polarizer
C.A.φa (mm) O.D.φd (mm) L (mm)
6.0 15.0 20.0
8.0 25.4 24.0
10.0 25.4 28.0
15.0 30.0 38.0
20.0 38.0 48.0
