Thin-Film Circular Polarizer, Operating Wavelength Band: 450-650 nm OPPC2L-VIS
JCOPTIX thin-film circular polarizers cover 450-650 nm for visible polarization applications. A polarizer and achromatic quarter-wave plate are cascaded in a sandwich between two protective UV fused silica windows, with antireflection-coated air-facing surfaces. A standard aluminum ring of 25.4 mm outside diameter or standard SM lens tube prevents additional stress on the film. A laser-marked arrow points toward the linear polarizer side and aligns with its polarization axis. Use: 1. Light entering from the polarizer side indicated by the arrow emerges circularly polarized, generating circular polarization. 2. Light entering from the quarter-wave side, opposite the arrow direction, emerges linearly polarized. This configuration acts as a circular analyzer, transmitting one handedness and blocking the other. JCOPTIX offers left- and right-handed versions according to output handedness. High transmission and extinction within the band suit various low-power laboratory lasers.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Dimensions | Ø50.8 mm |
| Clear Aperture Dimension | 45 mm |
| Material | Left-Handed Circular Polarizing Film / UV Fused Silica Window |
| Operating Wavelength Band | 450-650 nm |
| Extinction ratio [450 nm / 532 nm / 635 nm] | >1,000:1 @ 450 nm >2,000:1 @ 532 nm >6,000:1 @ 635 nm |
| Antireflection Coating R_avg [350-700 nm] | T2 Antireflection Coating, R_avg<0.5% @350-700 nm |
| Thickness | 11.8 mm |
| Surface quality (scratch/dig) | 40/20 |
| Surface parallelism | < 10 arcsec |
| Angle of incidence (AOI) | ± 15° |
| Transmitted wavefront error [@632.8 nm] | < λ/2 @ 632.8 nm |
| Housing | Standard SM2 Lens Tube |
| Ellipticity [450 nm / 532 nm / 635 nm] | >37° @ 450 nm >42° @ 532 nm >41° @ 635 nm |
Key Features
Datasheet
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