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Wide Angle Waveplates (Retarders)

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  • Up To λ/250 Retardance Tolerances Out to 30° AOI
  • Near Zero-Order Laminated Polymer Construction
  • Ideal for Applications with Wide Acceptance Angles

Wide Angle Waveplates are designed to accept a large range of input angles, up to 30° AOI, with minimal retardance shift at non-zero angles of incidence. These waveplates are available with visible or NIR designed wavelengths of 532, 633, 1064 or 1550nm and with λ/2 or λ/4 retardance values. Featuring ≤λ/250 quarter-wave and ≤λ/100 half-wave retardance accuracies at the center, these waveplates are ideal for applications that require low sensitivity to AOI. Wide Field Waveplates are mounted and constructed with birefringent polymer on a N-BK7 substrate and coated with BBAR coatings.

Note: The fast axis is marked with a line.

Common Specifications

Clear Aperture CA (mm):
17.8
Diameter (mm):
25.40
Dimensional Tolerance (mm):
+/- 0.13
Angle of Incidence (°):
+/-30
Substrate:
Polymer Film on N-BK7
Reflection (%):
0.5
Surface Quality:
60-40
Transmitted Wavefront, RMS:
≤ λ/2 @ 632.8nm
Beam Deviation (arcmin):
≤ 1 arcmin
Mount Thickness (mm):
6.35
Operating Temperature (°C):
0 - 40

Products

Dia. (mm) DWL (nm)  Retardance   Compare   Stock Number   Price  Buy
25.40 532 λ/2
25.40 532 λ/4
25.40 633 λ/2
25.40 633 λ/4
25.40 1064 λ/2
25.40 1064 λ/4
25.40 1550 λ/2
25.40 1550 λ/4

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