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All Products / Optics / Polarization Optics / Retarders (Waveplates) / Polymer Waveplates / Precision Achromatic Waveplates (Retarders)
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λ/4 920-1240nm, Polymer Achromatic Retarder

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Stock #49-235 3-5 days
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A$1,760.00
Qty 1-5
A$1,760.00
Qty 6+
A$1,564.80
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Clear Aperture CA (mm):
10.16
Diameter (mm):
25.40
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-BK7
Operating Temperature (°C):
-20 to +50
Reflection (%):
0.5
Retardance:
λ/4
Surface Quality:
40-20
Thickness (mm):
6.35
Thickness Tolerance (mm):
±0.508
Type:
Achromatic Waveplate
Dimensional Tolerance (mm):
±0.127
Construction:
Birefringent Polymer Stack
Transmitted Wavefront, P-V:
λ/4 @ 632.8nm
Retardance Tolerance:
λ/100
Beam Deviation (arcmin):
1.00
Mount Thickness (mm):
6.35
Wavelength Range (nm):
920 - 1240
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
500 W/cm2

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
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REACH 241:
Compliant
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Product Family Description

  • 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.