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True Zero-Order Waveplates


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Specifications:

Material
Crystal Quartz
Diameter Tolerance+0/-0.2mm
Retardance Accuracy<λ/300
Clear Aperture≥ central 90%  of  diameter
Surface Quality20/10
Wavefront  Distortionλ/8 @ 632.8nm over the clear aperture
Parallelism≤10″
CoatingR<0.25% per surface at design wavelength
Damage Threshold500W/cm2,4J/cm2,20ns







Order Information:


                             WPT    ----     127     ----     1/4    ----     W532   

                                ↓                          ↓                         ↓                         ↓

                    Product Code     Φ =12.7 mm   Retardation=λ/4   Design Wavelength” λ”=532nm



True Zero-Order Waveplates:

Half   WaveplateQuarter  Waveplate
   WPT-100-1/2-λ      WPT-100-1/4-λ   
WPT-127-1/2-λWPT-127-1/4-λ
WPT-200-1/2-λWPT-200-1/4-λ
WPT-254-1/2-λWPT-254-1/4-λ


              


Note:

  ?  Custom designs for other sizes, coatings and holder are also available upon request.

  ?  CASTECH’s standard coatings are available.



  • True Zero-Order Waveplates2017-08-24download

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