Glan-Laser Crystal Polarizing Prism GP10K
Glan crystal polarizing prisms use the Glan-Taylor design: two high-grade birefringent crystals are placed back-to-back with inclined faces facing each other. Their optical axes share the same orientation, parallel to the reflecting surface and perpendicular to the beam. Birefringence gives different refractive indices along and perpendicular to the optical axis. At the glass-air interface between the prisms, total internal reflection occurs: reflected light includes all ordinary (o) light and some extraordinary (e) light, while transmitted light is highly linearly polarized e light for applications requiring high-quality polarization. An air gap rather than chemical bonding raises the damage threshold for high-power use. JCOPTIX Glan-laser prisms use the highest-grade birefringent crystals selected through laser-scattering sensitivity tests. Mounted in black-anodized housings, they emit much of the reflected light through side windows and suit high-power lasers. Glan-Taylor prisms are available for medium-power applications. Contact technical support for custom substrates, coatings, or sizes. Glan-laser housings have standard SM1 external threads for standard SM1 internally threaded mounts, such as MMR-1T rotation mounts. JCOPTIX's proprietary cushioning rubber washer at the SM1 thread base enables direct alignment of polarization to a specific mount angle. Operation is simple and quick: 1. Screw the prism into the mount until the SM1 thread reaches its end; lock the rotating part as needed. 2. Check the difference between the polarization direction (white housing line) and the target mark (0° or 90°). 3. Apply slight force to continue turning the protruding cylindrical housing until the white line aligns with the target. Adjustment is approximately 60°. Prealigned Glan-laser crystal polarizer kits. Models: GP10K, GP10-T1K, GP10-T2K, GP10-T3K, GP10-T8K. Include a rotation mount. Polarization precisely aligned to the mount's 0° mark. High laser damage threshold for high-power use. Operating wavelengths: 200-3000 nm.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Clear Aperture Dimension | 10.0 mm |
| Operating Wavelength | 350-2300 nm |
| Extinction Ratio | >20,000:1 |
| Beam-Deviating Prism | GP10 × 2 |
Key Features
Datasheet
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