PBS（polarization beam splitter）偏振分光稜鏡
偏振分光稜鏡能把入射的非偏振光分成兩束垂直的線偏光。其中P偏光完全通過，而S偏光以45度角被反射，出射方向與P光成90度角。此偏振分光稜鏡由一對高精度直角稜鏡膠合而成，其中一個稜鏡的斜邊上鍍有偏振分光介質膜。
![pbs[光學術語]](/img/5/2a9/nBnauM3X1YDOzYzM3ITMxMzM1UTM1QDN5MjM5ADMwAjMwUzLyEzL1gzLt92YucmbvRWdo5Cd0FmLwE2LvoDc0RHa.jpg)
pbs[光學術語] ![pbs[光學術語]](/img/7/a06/nBnauM3XxIzNwIjNzYzNwMzM1UTM1QDN5MjM5ADMwAjMwUzL2czL0QzLt92YucmbvRWdo5Cd0FmLxE2LvoDc0RHa.jpg)
pbs[光學術語] ![pbs[光學術語]](/img/e/28a/nBnauM3X2UDMyYjMwczNxMzM1UTM1QDN5MjM5ADMwAjMwUzL3czLwIzLt92YucmbvRWdo5Cd0FmL0E2LvoDc0RHa.jpg)
pbs[光學術語] | Material | BK7, SF glass |
| Dimension Tolerance | ±0.2mm |
| Extinction Ratio | >100:1 for broadband, >500:1 for narrow band |
| Surface Quality | 60/40 scratch and dig |
| Clear Aperture | >90% |
| Beam Deviation | 95% and Ts90% and Ts99% and Rp99% and Rp500mJ/cm, 20ns, 20Hz, @1064nm |
| Standard Sizes： | 10*10*10mm |
| 12.7*12.7*12.7*mm | |
| 15*15*15mm | |
| 20*20*20mm | |
| 25.4*25.4*25.4mm | |
| Standard Wavelength: | 450-650nm |
| 600-900nm | |
| 900-1200nm |
