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25.4mm NIR II λ/4 Fresnel Rhomb Retarder

TECHSPEC® Fresnel Rhomb Retarders

TECHSPEC® Fresnel Rhomb Retarders

Stock #36-143
S$457.25
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Qty 1-5
S$457.25
Qty 6
S$434.00
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Retardance:
λ/4
Entrance and Exit Surface (mm):
25.4
Wavelength Range (nm):
750 - 1550
Design Wavelength DWL (nm):
1064
Clear Aperture CA (mm):
18.81 x 18.81
Type:
Fresnel Retarder
Surface Quality:
20-10
Coating:
NIR II (750-1550nm)
Dimensional Tolerance (mm):
±0.10
Substrate:

Regulatory Compliance

RoHS 2015:
Reach 209:

Product Family Description

  • Broadband Performance with <2% Retardance Variation
  • 12.7mm and 25.4mm Options Available
  • λ/4 and λ/2 Retardance Options

TECHSPEC® Fresnel Rhomb Retarders are available with design wavelengths of 532nm and 1064nm. By utilizing a specific angle, Fresnel rhomb retarders impart a retardance with each internal reflection of the light, totaling λ/4. Each design is paired with either VIS 0° or NIR II coatings to provide efficient transmission across a broad range of wavelengths. These TECHSPEC Fresnel Rhomb Retarders deliver less than 2% retardance variation across the specified wavelength range and are optimized for use in diode and fiber applications.

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