武汉镭星多级二分之一波片由单片石英晶体制作而成，厚度相较于其他波片较厚，加工易实现，耐温性和损伤阈值相较于零级波片较低。多级波片产生了多个级次的相位延迟，当一束线偏振光垂直入射到由单轴晶体制成的波片时，在波片中分解为沿原方向传播但振动方向互相垂直的o光和e光，相应的折射率为no、ne。
| 材料 | 石英晶体 |
| 尺寸公差 | +0/-0.2mm |
| 表面质量 | 20/10 |
| 平行度 | <1 arc Sec |
| 相位延迟精度 | < λ/100 |
| 波前畸变 | <λ/8@632.8nm |
| 通光孔径 | >90% |
| 增透膜 | R<0.25%@central wavelength |
| 损伤阈值 | >10J/cm2, 20ns, 20Hz @1064nm |
| 镜架 | 无，可装配阳极氧化镜架 |
| 型号 | 直径 (mm) | 相位 (λ) | 波长 (nm) | 通光孔径 (mm) |
| WPM212-266 | 12.7 | λ/2 | 266 | 11.5 |
| WPM225-532 | 25.4 | λ/2 | 266 | 22.9 |
| WPM212-355 | 12.7 | λ/2 | 355 | 11.5 |
| WPM225-355 | 25.4 | λ/2 | 355 | 22.9 |
| WPM212-532 | 12.7 | λ/2 | 532 | 11.5 |
| WPM225-532 | 25.4 | λ/2 | 532 | 22.9 |
| WPM212-633 | 12.7 | λ/2 | 633 | 11.5 |
| WPM225-633 | 25.4 | λ/2 | 633 | 22.9 |
| WPM212-780 | 12.7 | λ/2 | 780 | 11.5 |
| WPM225-780 | 25.4 | λ/2 | 780 | 22.9 |
| WPM212-1030 | 12.7 | λ/2 | 1030 | 11.5 |
| WPM225-1030 | 25.4 | λ/2 | 1030 | 22.9 |
| WPM212-1064 | 12.7 | λ/2 | 1064 | 11.5 |
| WPM225-1063 | 25.4 | λ/2 | 1064 | 22.9 |
| WPM212-1310 | 12.7 | λ/2 | 1310 | 11.5 |
| WPM225-1310 | 25.4 | λ/2 | 1310 | 22.9 |
| WPM212-1550 | 12.7 | λ/2 | 1550 | 11.5 |
| WPM225-1550 | 25.4 | λ/2 | 1550 | 22.9 |
| WPM412-266 | 12.7 | λ/4 | 266 | 11.5 |
| WPM425-532 | 25.4 | λ/4 | 266 | 22.9 |
| WPM412-355 | 12.7 | λ/4 | 355 | 11.5 |
| WPM425-355 | 25.4 | λ/4 | 355 | 22.9 |
| WPM412-532 | 12.7 | λ/4 | 532 | 11.5 |
| WPM425-532 | 25.4 | λ/4 | 532 | 22.9 |
| WPM412-633 | 12.7 | λ/4 | 633 | 11.5 |
| WPM425-633 | 25.4 | λ/4 | 633 | 22.9 |
| WPM412-780 | 12.7 | λ/4 | 780 | 11.5 |
| WPM425-780 | 25.4 | λ/4 | 780 | 22.9 |
| WPM412-1030 | 12.7 | λ/4 | 1030 | 11.5 |
| WPM425-1030 | 25.4 | λ/4 | 1030 | 22.9 |
| WPM412-1064 | 12.7 | λ/4 | 1064 | 11.5 |
| WPM425-1063 | 25.4 | λ/4 | 1064 | 22.9 |
| WPM412-1310 | 12.7 | λ/4 | 1310 | 11.5 |
| WPM425-1310 | 25.4 | λ/4 | 1310 | 22.9 |
| WPM412-1550 | 12.7 | λ/4 | 1550 | 11.5 |
| WPM425-1550 | 25.4 | λ/4 | 1550 | 22.9 |
