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.
| 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% |
| Specifications: | |
|---|---|
| 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 |
| Catalog No. | Material | Diameter | Thickness | Coating | QOH | Price | Order |
|---|---|---|---|---|---|---|---|
| PRRM-7515-C-90 | Cu | 75.00mm | 15.00mm | 90deg.PhaseShift | 0 | $660.00 | Request a Quote |