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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Part No.	Description	Application	Material	Wavelength	Bandwidth	Size	Aperture	Thickness	Length	Angle	Doping	Orientation	Displacement	Retardation	Delay	Coating	End cut	Holder	Price	Availability	Add to Cart

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.

Coatings:

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

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