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- 格兰泰勒棱镜
格兰泰勒棱镜
是由两片相同双折射晶体材料棱镜制成的偏光器件，中间采用空气隙结构。此棱镜的长度与通光孔径的比值小于1.0, 使之成为相对较薄的偏光器件。此棱镜无逃逸窗口，因此适用于中低功率系统。由不同材料制成的格兰泰勒棱镜，其接收角各不相同,以下列表有相对应参数可对比。
产品特点：
·空气隙
·带宽覆盖紫外，可见和中红外
·接近布儒斯特切割角
·无逃逸窗口，反射光线被吸收，适用于中低功率系统
·高偏振度
·长度短，紧凑
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| Material: | a-BBO, Calcite or YVO4 |
| Wavelength Range: | a-BBO: 200-3500 nm, Calcite: 350-2300 nm YVO4:500-5000 nm |
| Extinction Ratio: | Calcite:<5x10-5; a-BBO:<5x10-6 ,YVO4:<5x10-6 |
| Parallelism: | <1 arc Min |
| Surface Quality: | 20/10 |
| Beam Deviation: | < 3 arc minutes |
| Wavefornt Distortion: | l /4@632.8nm |
| Damage Threshold: | >200 MW/cm2 |
| Coating: | Single MgF2 |
| Mount: | Black Anodized Aluminium |
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| Part No. | Wavelength Rang(nm) | Extinction Ratio | Angular Field(°) | C.A. fa(mm) | O.D. fd(mm) | L ±0.1(mm) |
| GTP6006 | 350-2300 | <5x10-5 | >7.7 | 6.0 | 15.0 | 15.0 |
| GTP6008 | 8.0 | 25.4 | 17.0 | |||
| GTP6010 | 10.0 | 25.4 | 19.0 | |||
| GTP6015 | 15.0 | 30.0 | 23.0 | |||
| GTP6020 | 20.0 | 38.0 | 29.0 |
2. a-BBO Glan Taylor Polarizer
| Part No. | Wavelength Rang(nm) | Extinction Ratio | Angular Field(°) | C.A. fa(mm) | O.D. fd(mm) | L±0.1(mm) |
| GTP5206 | 200-270 | <5x10-6 | >6.0 | 6.0 | 15.0 | 15.0 |
| GTP5208 | 8.0 | 25.4 | 17.0 | |||
| GTP5210 | 10.0 | 25.4 | 19.0 | |||
| GTP5215 | 15.0 | 30.0 | 23.0 | |||
| GTP5220 | 20.0 | 38.0 | 29.0 | |||
| GTP5306 | 300-700 | <5x10-6 | >6.0 | 6.0 | 15.0 | 15.0 |
| GTP5308 | 8.0 | 25.4 | 17.0 | |||
| GTP5310 | 10.0 | 25.4 | 19.0 | |||
| GTP5315 | 15.0 | 30.0 | 23.0 | |||
| GTP5320 | 20.0 | 38.0 | 29.0 | |||
| GTP5706 | 700-3000 | <5x10-6 | >6.0 | 6.0 | 15.0 | 15.0 |
| GTP5708 | 8.0 | 25.4 | 17.0 | |||
| GTP5710 | 10.0 | 25.4 | 19.0 | |||
| GTP5715 | 15.0 | 30.0 | 23.0 | |||
| GTP5720 | 20.0 | 38.0 | 29.0 |
3. YVO4 Glan Taylor Polarizer
| Part No. | Wavelength Rang(nm) | Extinction Ratio | Angular Field(°) | C.A. fa(mm) | O.D. fd(mm) | L ±0.1(mm) |
| GTP9006 | 500-4000 | <5x10-6 | >6.5 | 6.0 | 15.0 | 12.0 |
| GTP9008 | 8.0 | 25.4 | 15.0 | |||
| GTP9010 | 10.0 | 25.4 | 17.0 | |||
| GTP9015 | 15.0 | 30.0 | 20.0 | |||
| GTP9020 | 20.0 | 38.0 | 25.0 |
Note: Kinds of sizes are available upon request.
