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Glan-Laser Polarizer
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  • Glan-Laser 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.

Features:

  • Material: Calcite, α-BBO, YVO4, MgF2 or Crystal Quartz  
  • Custom dimension and shapes  
  • Diameter from 5 to 25.4 mm  
  • Extinction ratio: 100,000:1  
  • Standard and custom coating options available  
  • High laser damage threshold

Specification:

Wavelength Range

Calcite: 350-2300nm        

α-BBO: 190-3500nm

Extinction Ratio

Calcite:<5x10-5

α-BBO:<5x10-6

Surface Quality 60/40
Dimension Tolerance  ±0.1mm
Beam Deviation         <3′
Wavefront Distortion

α-BBO:<λ/4 @ 632.8nm            

Calcite:<λ/2 @ 632.8nm        

Coating Single Layer MgF2
Damage Threshold >500MW/cm2
Housing Black Anodized Aluminum

 

 

  •   High Polarization Purity ;

  •   Wide Wavelength Range ;

  •   High UV Transmission ;

  •   Available with two, one or no escape ports for extra power capacity ;

  •   Suitable for high power applications .

             

Order Information:

 

PGL --- 100 --- CAL
   
Product Code    Clear Aperture "a"=10mm   Material Code

 

Glan-Laser Polarizer:

Part Number

  Wavelength Range

(nm)  

a

(mm)

D

(mm) 

 L±0.1

(mm) 

Material
PGL-100-CAL 350-2300 10 25.4 26.2    Calcite   
PGL-150-CAL 15 30 33.3 Calcite
PGL-100-ABBO1 200-270 10 25.4 31.0 α-BBO
PGL-150-ABBO1 15 30

38.6

α-BBO
  PGL-100-ABBO2   400-700 10 25.4 26.0 α-BBO
PGL-150-ABBO2 15 30 33.4 α-BBO
PGL-100-ABBO3 700-3000 10 25.4 25.9 α-BBO
PGL-150-ABBO3 15 30 33.0 α-BBO

 

Note:

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

     •   YVO4 Glan-Laser Polarizer is also available  upon request.

 

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