Wire-Grid Polarizer OPP-WG10
JCOPTIX reflective wire-grid polarizers transmit electric fields perpendicular to the grid and reflect parallel fields. Two UV fused silica windows sandwich the delicate metal grid. Compared with absorptive polymer polarizers, they provide greater transmission, operating temperature, and laser damage threshold for high-power continuous or very high peak-power pulsed lasers. T5 (400-1100 nm) antireflection coatings protect window transmission, and the surfaces can be cleaned normally without damaging the grid. A black oxidized aluminum ring of 25.4 mm outside diameter carries a laser-marked transmission axis. It prevents mounting stress from changing the transmitted wavefront and fits MMR-1T free-space or MCRM-1T cage rotation mounts. Note: metallic films are consumables susceptible to oxidation during prolonged air exposure or in humid, corrosive atmospheres. 1. Keep the environment clean and dry. 2. Wear gloves and avoid touching the mirror surface. 3. Avoid scuffs or scratches that accelerate oxidation and delamination. 4. Store unused products sealed in the supplied protective box.
Overview
Specifications
| Parameter | Value |
|---|---|
| Material | Wire-Grid Polarizer / UV Fused Silica Window |
| Clear Aperture Dimension | 10.0 mm |
| Operating Wavelength Band | 400-1100 nm |
| Extinction ratio [400-1100 nm] | >1,000:1 @ 400-1100 nm |
| Antireflection Coating R_avg [400-1100 nm] | T5 Antireflection Coating, R_avg<0.8% @400-1100 nm |
| Dimensions | Ø25.4 mm |
| Thickness | 4.5 mm |
| Surface Quality (S/D) | 40/20 |
| Surface parallelism | < 3 arcmin |
| Angle of incidence (AOI) | ± 20° |
| Transmitted wavefront error [@633 nm] | < λ @ 633 nm |
| Housing | Standard retaining ring with an outside diameter of 25.4 mm |
Key Features
Datasheet
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