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All Products / Optics / Polarization Optics / Retarders (Waveplates) / Polymer Waveplates / Ultra-Thin NIR Achromatic Polymer Retarders
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Film-Format Achromatic Polymer Retarder λ/2 25.4mm Dia AR

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Stock #70-576 New 3-4 days
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£552.50
Qty 1-10
£552.50
Qty 11+
£442.00
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Angle of Incidence (°):
+/- 10
Diameter (mm):
25.40 +/- 0.15
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Polymer Stack
Operating Temperature (°C):
-20 to +40
Retardance:
λ/2 ± λ/100
Surface Quality:
60-40
Thickness (mm):
0.35 Nominal
Note:
Slow axis marked with blue dot on part and stripe on protective film
Coating Specification:
BBAR: R<= 0.75% @ 700-1100nm (per surface)
Wavelength Range (nm):
700 - 1100
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
500 Watt/cm2 CW, .3 J/cm2 10 nsec pulses @ 532nm, 2 J/cm2 20 nsec pulses @ 1064nm typical
Coating Type:
AR (both sides)

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
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Product Family Description

  • Ultra-Thin ≤0.55mm Substrates for OEM Integration
  • Options For 600-1100nm and 700-1550nm
  • Wide Acceptance Angle Tolerance of ±10°

Ultra-Thin NIR Achromatic Polymer Retarders feature an optically fused and adhesive-free construction, allowing for high temperature resistance, high transmission, and an ultra-thin format. These retarders are designed with a multi-layer polymer stack and feature a 0.35mm thickness for λ/2 retarders and 0.55mm thickness for λ/4 retarders. Available either uncoated or with an AR-Coating, these retarders offer a retardance tolerance of λ/100 in the NIR range at a wide range of angles of incidence. Uncoated Ultra-Thin NIR Achromatic Polymer Retarders offer an increased retardance range of 700-1550nm while the coated options feature improved transmission from 700-1100nm. These waveplates are ideal for NIR imaging and analytical instrumentation, as well as OEM integration and other applications requiring a small form factor.