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True Cemented Zero-Order Waveplates

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True Cemented Zero-Order Waveplates
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  • True Cemented Zero-Order Waveplates

  • Wave retarders are used widely in applications like rotating polarization, transforming between linear and circular polarization. CASTECH offers quarter- and half-wave plates in a variaty of options.
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Introduction:

Wave retarders are used widely in applications like rotating polarization, transforming between linear and circular polarization. CASTECH offers quarter- and half-wave plates in a variaty of options including Multiple Order Waveplates, Cemented Zero-Order Waveplates, Airspaced Zero-Order Waveplates, True Zero-Order Waveplates, Dual Wavelength waveplates. CASTECH’s waveplates feature high precision, high damage threshold level and more importantly, we have the capacity to design and customize specific ideal waveplates to fit your exact application.

Features:

  • Material: Crystal Quartz, MgF2  
  • Custom dimension and shapes  
  • Diameter from 5 to 100 mm  
  • Standard and custom coating options available  
  • High laser damage threshold  
  • Mounted and unmounted waveplates are available

Specifications:

Material Crystal Quartz
Substrate Material BK7
Dimension Tolerance +0/-0.2mm
Clear Aperture >central 90% of diameter
Retardance Accuracy <λ/300
Surface Quality 20/10
Wavefront Distortion λ/8 @ 632.8nm over the clear aperture
Parallelism ≤10″
AR Coating R<0.25% @ design wavelength
Damage Threshold 500W/cm2,4J/cm2,20ns

 

 

Order Information:

 

WPCT ---- 127 ---- 1/4 ---- W532
     
Product Code   Φ=12.7mm   Retardation=λ/4   Design Wavelength "λ"=532nm

 

 

 

 

Cemented True Zero-Order Waveplates:

Half   Waveplate Quarter  Waveplate
   WPCT-100-1/2-λ       WPCT-100-1/4-λ   
WPCT-127-1/2-λ WPCT-127-1/4-λ
WPCT-200-1/2-λ WPCT-200-1/4-λ
WPCT-254-1/2-λ WPCT-254-1/4-λ

 

Note:

   •  Custom designs for other sizes and coatings are also available upon request.

   •  CASTECH's standard coatings are available.

 

 

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