These mirrors consist of a high efficiency 1/4 wave phase reflectance thin-film coating applied to a highly polished mirror substrate. This specialized coating design changes a linearly polarized CO2 laser beam to a circularly polarized one.


USA made phase reductors for lasers



  Si Cu
Phase Shift between P & S Polarization: 90 deg. +/- 3 deg. 90 deg. +/- 5 deg.
Reflectance @ 10.6 microns and 45 deg. AOI: >98.5% Avg. >98.5% Avg.
Absorption and Scatter: < 1.5% < 1.5%
Diameter Tolerance: + 0.000" / - 0.005"
Thickness Tolerance: +/- 0.010"
Mechanical Wedge: < 5 minutes of Arc Maximum
Flatness: Cu PRR: <1/20th wave at 10.6 micron
Si PRR: <1/40th wave at 10.6 micron
Finish(Scratch-Dig): Cu PRR: 40-20
Si PRR: 40-20


Orders from stock typically ship in 3-5 days. Manufacturing lead time can be 2-3 weeks. Please call the factory for expedited delivery or quantity discounts.

Showing 1–20 of 21 results

Catalog No. Material Diameter Thickness Coating Price Order
PRR-0712-S-90 Si0.750"0.120"90deg.PhaseShift$155.00
PRR-1012-S-90 Si1.000"0.120"90deg.PhaseShift$165.00
PRR-1516-S-90 Si1.500"0.160"90deg.PhaseShift$190.00
PRR-1525-C-90 Cu1.500"0.250"90deg.PhaseShift$360.00
PRR-1716-S-90 Si1.750"0.160"90deg.PhaseShift$185.00
PRR-2020-C-90 Cu2.000"0.200"90deg.PhaseShift$395.00
PRR-2020-S-90 Si2.000"0.200"90deg.PhaseShift$205.00
PRR-2038-C-90 Cu2.000"0.375"90deg.PhaseShift$480.00
PRR-2038-S-90 Si2.000"0.375"90deg.PhaseShift$215.00
PRR-2339-C-90 Cu2.250"0.394"90deg.PhaseShift$350.00
PRR-3025-C-90 Cu3.000"0.250"90deg.PhaseShift$550.00
PRR-3025-S-90 Si3.000"0.250"90deg.PhaseShift$420.00
PRR-3038-S-90 Si3.000"0.375"90deg.PhaseShift$440.00
PRR-3050-C-90 Cu3.000"0.500"90deg.PhaseShift$460.00
PRR-3050-S-90 Si3.000"0.500"90deg.PhaseShift$450.00
PRR-3059-C-90 Cu3.000"0.590"90deg.PhaseShift$535.00
PRRM-5010-C-90 Cu50.00mm10.00mm90deg.PhaseShift$400.00
PRRM-5010-S-90 Si50.00mm10.00mm90deg.PhaseShift$180.00
PRRM-6010-C-90 Cu60.00mm10.00mm90deg.PhaseShift$400.00
PRRM-7513-C-90 Cu75.00mm12.70mm90deg.PhaseShift$560.00