| Material | BK7 or B270 |
| Dimension Tolerance | +0/-0.2mm |
| Thickness | around 2.5mm |
| Surface Quality | 60/40 scratch and dig |
| Clear Aperture | >90% |
| Acceptable Angle | >20deg |
| Working Wavelength | 400-700nm |
| Extinction Ratio | >1000:1 |
| Single Transmission for Parallel Polarized Beam | >70% @ 632.8nm |
| Coating | No |
| Damage Threshold | >10W/cm2 Continuous Pass, >1W/cm2 Continuous Block |
| Part Number | Dimension (mm) | Tp/Ts | Wavelength |
| DSP12 | 12.7 | >1000:1 | 400-700 |
| DSP25 | 25.4 | >1000:1 | 400-700 |
| DSP50 | 50.8 | >1000:1 | 400-700 |
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