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汤普森格兰棱镜
汤普森格兰棱镜是由两片Calcite棱镜或两片a-BBO棱镜胶合而成的偏光器件，与空气隙的格兰棱镜相比有更高的消光比。其中对于冰洲石（Calcite）材料，我司可提供两种类型接收角的汤姆森格兰棱镜，其中一种的接收角可大于26度.性价比将更高。
产品主要特点：
·两片胶合，适用于中小功率系统
·带宽覆盖可见和中红外
·大的接收角
·高偏振度
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Specifications:
| Material: | a-BBO, Calcite |
| Wavelength Range: | a-BBO: 220-3500 nm, Calcite: 350-2300 nm |
| Extinction Ratio: | Calcite:<5x10-5; a-BBO:<5x10-6 |
| Parallelism: | <1 arc Min |
| Surface Quality: | 20/10 |
| Beam Deviation: | < 3 arc minutes |
| Wavefornt Distortion: | λ/4@632.8nm |
| Damage Threshold: | >200 MW/cm2 |
| Coating: | Single MgF2 |
| Mount: | Black Anodized Aluminium |
1. a-BBO Glan Thompson Polarizer(Special for DUV, Visible and NIR(200-1100nm)
| Part No. | L/CA | Extinction Ratio | Angular Field(°) | C.A. fa(mm) | O.D. fd(mm) | L ±0.1(mm) |
| GMP5006 | 1.6 | <5x10-6 | >15 | 6.0 | 15.0 | 18.0 |
| GMP5008 | 8.0 | 25.4 | 21.0 | |||
| GMP5010 | 10.0 | 25.4 | 24.5 | |||
| GMP5015 | 15.0 | 30.0 | 32.5 | |||
| GMP5020 | 20.0 | 38.0 | 40.7 |
2. Calcite Glan Thompson Polarizer
| Part No. | L/CA | Extinction Ratio | Angular Field(°) | C.A. fa(mm) | O.D. fd(mm) | L ±0.1(mm) |
| GMP6106 | 2.5 | <5x10-5 | 14-16 | 6.0 | 15.0 | 23.0 |
| GMP6108 | 8.0 | 25.4 | 28.0 | |||
| GMP6110 | 10.0 | 25.4 | 33.0 | |||
| GMP6115 | 15.0 | 30.0 | 45.5 | |||
| GMP6206 | 3.0 | <5x10-5 | 25-28 | 6.0 | 15.0 | 26.0 |
| GMP6208 | 8.0 | 25.4 | 32.0 | |||
| GMP6210 | 10.0 | 25.4 | 38.0 | |||
| GMP6215 | 15.0 | 30.0 | 53.0 |
Note: Kinds of sizes are available upon request
