Glan Thompson Prism / GTPB_GTPC
This is a special polarizer with minimal transmission loss, and a high extinction ratio below 5×10-5 is obtained. It is used in high-precision polarization experiments. The Calcite can be used in the visible to the infrared region, and α-BBO crystal type usable in the ultraviolet region are available.
Common Specifications
| Material | α-BBO, Calcite |  |
|---|---|---|
| Beam Deviation | ＜3′ | |
| Transmitted Wavefront Distortion | λ/4 | |
| Coating | MgF2Single-layer anti-reflection coating | |
| Laser Damage Threshold | 0.3J/cm2 (Pulse duration 10ns) | |
| Surface Quality (Scratch-Dig) | 20 - 10 | |
| Material of Metal Frame | Aluminum Finishing: Black anodized |
| Schematic | Outline Drawing |
|---|---|
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| α-BBO | ||||
|---|---|---|---|---|
| Part Number | Wavelength Range | Extinction Ratio | φA | φD×L |
| GTPB-06-18SN | 200～900nm | ＜5×10-6 | φ6mm | φ15x18mm |
| GTPB-08-21SN | 200～900nm | ＜5×10-6 | φ8m | φ25.4x21mm |
| GTPB-10-24.5SN | 200～900nm | ＜5×10-6 | φ10m | φ25.4x24.5mm |
| GTPB-15-32.5SN | 200～900nm | ＜5×10-6 | φ15m | φ30x32.5mm |
| Calcite | ||||
|---|---|---|---|---|
| Part Number | Wavelength Range | Extinction Ratio | φA | φD×L |
| GTPC-06-23SN | 350～2300nm | ＜5×10-5 | φ6mm | φ15x23mm |
| GTPC-06-26SN | 350～2300nm | ＜5×10-5 | φ6mm | φ15x26mm |
| GTPC-08-32SN | 350～2300nm | ＜5×10-5 | φ8mm | φ25.4x32mm |
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