- 描述
描述
格兰汤普森偏振器
格兰汤姆森棱镜是由两片Calcite棱镜或两片a-BBO棱镜胶合而成的偏光器件。波长范围为200-2300nm。a-BBO偏振器可用波长为200-1100nm, Calcite偏振器可用波长为350-2300nm。它比空间间隔偏振器有更高的消光比。接收角大。比如，a-BBO格兰汤普森偏振器的接收角大于15度。
产品特性：
胶合，适用于小功率激光
接收角度大
格兰汤普森偏振器特点：
胶结的
宽接受角场
适用于低功耗应用
规格
| Attribute | Specification |
| Material: | α-BBO，Calcite |
| Wavelength Range: | α-BBO：200-1100nm，Calcite：350-2300nm |
| Extinction Ratio： | α-BBO：＜5×10-6，Calcite：＜5×10-6 |
| Surface Quality： | 20/10 Scratch/Dig |
| Beam Deviation: | ＜3 arc minutes |
| Wave front Distortion: | λ/4@633nm |
| Damage Threshold： | ＞200MW/cm2 |
| Coating： | Single Layer MgF2 |
| Holder： | Black Anodized Aluminum |
BBO Glan Thompson Polarizer
| Par. No. | Wavelength Range(nm) | Extinction Ratio | Angular Field(°) | C.A.(φa) ±0.1(mm) | O.D.(φd) ±0.1(mm) | L±0.1 (mm) |
| PGM6006 | 200-2300nm (Coating@1300nm) | ＜5×10-5 | ＞15° | 6.0 | 15.0 | 18.6 |
| PGM6008 | 8.0 | 25.4 | 21.8 | |||
| PGM6010 | 10.0 | 25.4 | 25.5 | |||
| PGM6015 | 15.0 | 30.0 | 34.3 | |||
| PGM6020 | 20.0 | 38.0 | 43.5 |
Calcite Glan Thompson Polarizer
| Par. No. | Wavelength Range(nm) | Extinction Ratio | Angular Field(°) | C.A.(φa) ±0.1(mm) | O.D.(φd)±0.1(mm) | L±0.1 (mm) |
| PGM7106 | 350-2300nm (Coating@1300nm) | ＜5×10-6 | 14-16° | 6.0 | 15.0 | 23.0 |
| PGM7108 | 8.0 | 25.4 | 28.0 | |||
| PGM7110 | 10.0 | 25.4 | 33.0 | |||
| PGM7115 | 15.0 | 30.0 | 45.5 | |||
| PGM7206 | 350-2300nm (Coating@1300nm) | ＜5×10-6 | 25-28° | 6.0 | 15.0 | 26.0 |
| PGM7208 | 8.0 | 25.4 | 32.0 | |||
| PGM7210 | 10.0 | 25.4 | 38.0 | |||
| PGM7215 | 15.0 | 30.0 | 53.0 |
