ZPRS-1816-0-(22.5deg)

Zero Phase Reflector-Silicon NTC special Mirror - Model #: ZPRS-1816-0-(22.5deg)
1.75"Ø x .160 (4.0mm) Thick
Coating: Zero Phase Shift Type
Phase Shift: 0° ±2.0°
Reflectance > 99.6% @ 10.6µm for 22.5° AOI operation
Replaces: NTC/II-VI® P/N: 478321

Model number: ZPRS-1816-0-(22.5deg)
Quantity: 17

Specifications:

Material: Silicon (Si) Single Crystal
Diameter Tolerances: +.000” -.005”
Thickness: ±.010”
Flatness: 1/40
wavelength @ 10.6 µm
Parallelism: < 3 minutes of arc
Surface Quality: <40/20 scratch dig
Laser Finish

Spectral Performance:

Phase Shift: <2.0° between P and S polarization
for 10.6µm operation only @ 45° Angle Of Incidence
Reflectance: > 99.6% average @ 10.6µm
Absorption: < .40% @ 10.6µm
Coating optimized to maintain low phase shift in beam delivery systems
where a 90° phase retarder exists to maintain the circular polarization.
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