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Products  >  Waveplates  >  Achromatic Waveplates
 
 
Achromatic Waveplates
 
Achromatic Waveplates provide a constant phase shift independent of the incident wavelength of light. This wavelength independence is achieved by using two different birefringent crystalline materials. The relative shifts in retardation over the wavelength range are balanced between the two materials used.
 
 
General Specifications
Materials
Quartz + MgF2
Dimension tolerance
0.1mm
Parallelism
1 arcmin
Surface quality
20-10 S/D
Wavefront distortion
λ/8@632.8nm
Retardation tolerance
λ/100
Clear aperture
>90%
Coating on both sides
R<0.5% @ design wavelength

Typical Diameters:
Φ5.0
Φ10.0
Φ12.7
Φ15.0
Φ20.0
Φ25.4
Φ30.0
Φ38.1

Wavelength ranges: 450-650nm, 700-1000nm, 950-1300nm, 1200-1600nm

Retardation: λ/2 and λ/4

Construction Types: Cemented, Air space.

Mounted Waveplates are available. (See Holder Size)

 
        How to order Zero Order Waveplate?              Example:
Type:     Cement type
Size:     Φ25.4mm
Wavelength:     450-650nm
Retardation:     λ/4
Coating:     AR @450-650nm, R<0.5%, AOI=0
 
   Price on Request
   Custom Design
   Volume Discount 
 
 
 
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