Polarizing Beam Splitting Cubes (High Power)

Polarizing Beam Splitting Cubes (High Power)
Polarizing Beam Splitting Cubes (High Power) Polarizing Beam Splitting Cubes (High Power)

Materials: BK7, fused silica, SF2 or SF5 optical glass.
 Consists of a pair of right angle prisms optically bonded with a dielectric
  beam splitting coating applied on the hypotenuse face of one prism. 
 Epoxy-free optical paths, suitable for high power applications.
 s-polarized light reflected at 90 deg.,
  P-polarized light transmitted with minimal deviation.
High extinction ratio (> 500:1) over the specified range of wavelength.
 Four entrance/exit faces AR coated.
Broadband versions: 450-650 nm, 650-900 nm, 1010-1060 nm,
  900-1200 nm, 1200-1500 nm, 1500-1610 nm
  Narrowband versions: 355 nm, 370 nm, 405 nm, 532 nm, 1064 nm


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High Power PBS Specifications:
Wavefront Distortion: <  λ/6 @ 632.8 nm
Dimensions Tolerance: +/- 0.2 mm
Beam Deviation: < 3 arc minutes

Extinction Ratio: > 500:1
Damage threshold:
0.6 GW
/cm2 @1064 nm, 20 ns, 20 Hz

The extinction ratio (ER) is the ratio of maximum to minimum transmission of a linearly polarized input. The transmission is at its maximum/minimum when the input is p-polarized/s-polarized. 



Input and output faces: Broadband AR coating with R < 0.5%.
Polarization beamsplitting coating on the
      Transmittance of P-polarization: Tp > 92% (Broadband),
          Tp > 96% for Narrowband @ 532, or 1064 nm )
      Reflectance of S-polarization: Rs > 99%.








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