品牌
其他厂商性质
北京市所在地
北京波威科技有限公司代理的美国CVI厂家的TFP 56°超薄片偏振片，也称TFP-Thin-Film Plate Polarizers,56°。此分束镜的消光比(TP/TS)为200:1 at 1064nm，偏振带宽为5nm at 1064nm,有效透光率为90% at 1064nm。
产品技术参数描述：
| Specifications | |
| Angle of Incidence | 56°±3°.* |
| Chamfer | 0.35 mm @ 45° (typical) |
| Clear Aperture | ≥ 85% of central diameter |
| Diameter | φ+0/-0.25 mm |
| Optical Material | UV-grade fused silica |
| Surface Figure | λ/10 at 633 nm before coating |
| Surface Quality | 10-5 scratch and dig |
| Tp/Ts | λ ≥ 527 nm: 200:1 |
| Thickness | t±0.25 mm |
| Transmission Efficiency | λ ≥ 527 nm: 95% |
| Transmitted Wavefront Error | λ/8 at 633 nm |
| Wedge | ≤ 5 arc min |
| Damage Threshold | |
| cw | 1 MW/cm2 @ 1064 nm |
| Pulsed | 20 J/cm2, 20 nsec, 20 Hz @ 1064 nm |
选型表：
| Part Number | Center Wavelength (nm) | Dimensions (mm) | Optical Material | t (mm) |
| TFP-355-PW-1025-UV | 355 | φ25.4 | Fused Silica | 6.4 |
| TFP-355-PW-2025-UV | 355 | φ50.8 | Fused Silica | 6.4 |
| TFP-355-RW-28.6-14.3-3.18-UV | 355 | 28.6×14.3 | Fused Silica | 3.18 |
| TFP-527-PW-1025-UV | 527 | φ25.4 | Fused Silica | 6.4 |
| TFP-527-PW-2025-UV | 527 | φ50.8 | Fused Silica | 6.4 |
| TFP-527-RW-28.6-14.3-3.18-UV | 527 | 28.6×14.3 | Fused Silica | 3.18 |
| TFP-532-PW-1025-UV | 532 | φ25.4 | Fused Silica | 6.4 |
| TFP-532-PW-2025-UV | 532 | φ50.8 | Fused Silica | 6.4 |
| TFP-532-RW-28.6-14.3-3.18-UV | 532 | 28.6×14.3 | Fused Silica | 3.18 |
| TFP-1053-PW-1025-UV | 1053 | φ25.4 | Fused Silica | 6.4 |
| TFP-1053-PW-2025-UV | 1053 | φ50.8 | Fused Silica | 6.4 |
| TFP-1053-RW-28.6-14.3-3.18-UV | 1053 | 28.6×14.3 | Fused Silica | 3.18 |
| TFP-1064-PW-1025-UV | 1064 | φ25.4 | Fused Silica | 6.4 |
| TFP-1064-PW-2025-UV | 1064 | φ50.8 | Fused Silica | 6.4 |
| TFP-1064-RW-28.6-14.3-3.18-UV | 1064 | 28.6×14.3 | Fused Silica | 3.18 |
