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Rochon Polarizer
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  • Rochon Polarizer

  • CASTECH offers an extensive production line of birefringent crystals for polarization applications.
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Introduction:

CASTECH offers an extensive production line of birefringent crystals for polarization applications. Our crystal polarizer family includes Glan-Taylor Polarizers, Glan-Laser Polarizers, Glan-Thompson Polarizers, Wollaston Polarizers, Rochon Polarizers and Quartz Polarization Rotators. Substrate options have α-BBO (UV), calcite (visible to Near-IR), yttrium orthovanadate (YVO4, Near-IR to Mid-IR), MgF2 (UV to Mid-IR), and crystal quartz (UV to Near-IR). Both the mounted and unmounted crystals are available. Contact us freely to select the ideal combination of construction type, substrate, coating design, angle of operation and laser damage resistance level to suit your applications.

 

Specifications:

Material α-BBO;YVO4;Quartz                  
Wavelength Range

α-BBO: 220-900nm

YVO4: 400-4000nm

Quartz: 200-2300nm

Extinction Ratio

Quartz:<5x10-5

α-BBO, YVO4:<5x10-6

Surface Quality 60/40
Dimension Tolerance ±0.1mm
Damage Threshold               >500MW/cm2
Beam Deviation <3′
Wavefront Distortion <λ/4 @ 632.8nm
Coating Single Layer MgF2
Housing Black Anodized Aluminum

  

 

•   Wide Wavelength Range. 

•   Large Field Angle.

•   High Extinction Ratio. 

•   Guarantee a wide transmission range, especially, suitable for UV applications.

•   Split the ordinary and extraordinary ray, but only extraordinary beam is deviated.

 

Order Information:

 

 PRC --- 080 --- ABBO
   
Product Code    Clear Aperture "a"=8mm   Material

 

Rochon Polarizer:

Part Number

Separation Angle

(°)

a

(mm)

D

(mm)

Material
PRC-080-ABBO 8.0-14 8 25.4 α-BBO
   PRC-100-ABBO    10 25.4 α-BBO
PRC-150-ABBO 15 30 α-BBO
PRC-080-QZ 1.0-1.5 8 25.4    Quartz   
PRC-100-QZ 10 25.4 Quartz
PRC-150-QZ 15 30 Quartz
PRC-080-YVO4 9.8-13.0 8 25.4 YVO4
PRC-100-YVO4 10 25.4 YVO4
PRC-150-YVO4 15 30 YVO4

 

Note:Custom designs for other sizes and coatings are also available  upon request.

 

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