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格蘭-泰勒棱鏡

Each polarizer is comprised of two mounted air-spaced same birefringent material prisms which are available uncoated or with a broadband antireflection coating. The extraordinary rays are transmitted through both prisms while the ordinary rays are reflected off the hypotenuse and transmitted out the escape window (Cutting angle close to Brewster's Angle for normal incidence beam), allowing the component to be used as a polarizing beamsplitter. They can be used in Q-switched laser cavities and other multiple pass applications. The polarizers are offered with broadband AR coatings for the visible and NIR regions or a special V-coating for 1064 nm.

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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