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Wollaston棱鏡

The Wollaston prism splits an incoming unpolarized beam into two deviated beams of mutually orthogonal polarizations. Both deviated transmitted beams are nearly symmetrical about the incident direction of the entering beam. The angular separation is wavelength dependent and prisms having an angular separation of 5, 10, 15 and 20 degrees are available as standard items. Cemented Wollaston polarizer is standard and is suitable for low power application. Air spaced Wollaston prisms for Ultraviolet applications are available by special order.
 

Specifications
 

Item                        
 Specifications
Material:
a-BBO;Calcite or YVO 4
Wavelength Range:   
a-BBO:200-3500 nm;Calcite:350-2300 nm;YVO 4 :500-4000 nm
Extinction Ratio:
Calcite:<5x10^-5 ;a-BBO and YVO 4 :<5x10^-6
Parallelism: 
<1 arc minutes
Surface Quality:  
MIL20-10
Beam deviation:
< 3 arc minutes
Damage Threshold: 
>200 MW/cm2
TWF Distortion:              
λ/4 @ 632.8nm
Coating: 
Single MgF2
Mount: 
Black anodized aluminium
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