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Broadband Polarization Beamsplitter Cubes

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Broadband Polarization Beamsplitter Cubes
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  • Broadband Polarization Beamsplitter Cubes

  • Polarizing Beamsplitters divide unpolarized beam into two orthogonal, linearly polarized parts. A wide variety of Polarizing Beamsplitters configurations are offered by CASTECH.
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Introduction:

Polarizing Beamsplitters divide unpolarized beam into two orthogonal, linearly polarized parts. A wide variety of Polarizing Beamsplitters configurations are offered by CASTECH, including UV Laser Line Polarizing Beamsplitter Cubes, Laser Line Polarizing Beamsplitter Cubes, Broadband Polarizing Beamsplitter Cubes, Laser Line Polarizing Plate Beamsplitters, Broadband Polarizing Plate Beamsplitters. Coating is a critical portion of a high performance Polarizing Beamsplitters. CASTECH has extensive coating techniques and expertise of IBS, IAD, E-Beam & MS coating to suit high extinction ratio and high damage threshold needs. High-energy Laser Line Polarizing Beamsplitter Cubes are constructed by optically contacting rather than cementing. With damage threshold up to 20 J/cm2, they are ideal for high power laser application.

 

Specifications:

 

Material SF2
Dimension Tolerance ±0.25mm
Surface Quality 40/20
Wavefront Distortion λ/4 @ 632.8nm(over the clear aperture)
Clear Aperture >central 80% of diameter 
Transmitted Beam Deviation <5′
Reflected Beam Deviation 90°±5′
Efficiency            Tp>80%min,>90% ave,Rs>99.5% ave            
Extinction Ratio Tp:Ts>500:1,1000:1 ave
Antireflective Coating Broadband multilayer coating : Ravg<1% per surface
Chamfers <0.5mm  face width ×45°
Damage Threshold 2KW/cm2, 1J/cm2,10nsec pulses

 

   

 

 

Order Information:

 

BPBC --- 127 --- W420-680
   
Product Code    Dimension "A"=12.7mm   Wavelength “λ”=W420-680nm

 

 

Broadband Polarization Beamsplitter Cubes :

 

 

Part Number   Dimension  A(mm)  
     BPBC-063-λ      6.35
BPBC-127-λ 12.7
BPBC-150-λ 15.0
BPBC-200-λ 20.0
 BPBC-254-λ   25.4 

 

  

  

  

 

 

  

Standard Wavelength(λ):

 

 

  420-680nm  

  620-1000nm  

  900-1300nm     1200-1600nm  

 

 

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

 

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