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Precision Achromatic Waveplates (Retarders)

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  • Broad Spectral Range
  • λ/100 Retardance Accuracy
  • λ/4 and λ/2 Retardance
  • High Damage Threshold of 500 W/cm2

Precision Achromatic Waveplates (Retarders) consist of a polymer stack layered between two precision BK7 windows, and are available in standard λ/4 and λ/2 options for common visible and NIR wavelengths. These waveplates (retarders) will experience less than 1% retardance change over a ±10° angle of incidence. Each Precision Achromatic Waveplates (Retarders) is mounted in a metal ring with the fast axis clearly marked.

Common Specifications

Clear Aperture CA (mm):
10.16
Diameter (mm):
25.40
Thickness (mm):
6.35
Thickness Tolerance (mm):
±0.508
Dimensional Tolerance (mm):
±0.127
Construction:
Birefringent Polymer Stack
Substrate:
Reflection (%):
0.5
Surface Quality:
40-20
Transmitted Wavefront, P-V:
λ/4 @ 632.8nm
Retardance Tolerance:
λ/100
Beam Deviation (arcmin):
1.00
Damage Threshold, By Design:
500 W/cm2
Mount Thickness (mm):
6.35
Operating Temperature (°C):
-20 to +50

Products

 Retardance   Wavelength Range (nm)  CA (mm) Dia. (mm)  Type   Surface Quality   Compare   Stock Number   Price  Buy
λ/2 485 - 630 10.16 25.40 Achromatic Waveplate 40-20
λ/2 630 - 835 10.16 25.40 Achromatic Waveplate 40-20
λ/2 735 - 985 10.16 25.40 Achromatic Waveplate 40-20
λ/4 485 - 630 10.16 25.40 Achromatic Waveplate 40-20
λ/4 630 - 835 10.16 25.40 Achromatic Waveplate 40-20
λ/4 735 - 985 10.16 25.40 Achromatic Waveplate 40-20
λ/4 920 - 1240 10.16 25.40 Achromatic Waveplate 40-20

Technical Information

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