PRRS-2020-90

Phase Retardation Reflector Silicon
2.00”Ø X .200” E.T.
Phase Shift: 90° ±3.0°
Coated: PRR Type
Reflectance > 99.0% average
@ 10.6µm for 45° AOI operation

Article number: PRRS-2020-90
Quantity: 9

Specifications:
Material: Silicon (Si) Single Crystal
Diameter Tolerances: +.000” -.005”
Thickness: ±.010”
Flatness: 1/40 wavelength
Parallelism: < 3 minutes of arc
Surface Quality: < 40/20 scratch dig Laser Finish

Spectral Performance:
Phase Shift: 90° ± 3.0° between p and s polarization
for 10.6µm operation only @ 45° Angle Of Incidence
Reflectance: > 99.0% average @ 10.6µm
Absorption: < .40% @ 10.6µm
Coating optimized to create 90° phase shift from
a linear polarized beam. Used in beam delivery
systems where cutting circles in materials is required.

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