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Dispersion PrismsThe Dispersion Prisms, as a rule, have three equal 60
angles. They use the dispersing properties of the material
for spatial separation of different wavelengths.
| | | Standard quality | Laser quality |
| | Material | BK7, SF4, or UV Fused Silica
(LiF, CaF2, BaF2) |
| Dimensional tolerance |  0.2 mm | 0.1 mm |
| Angle tolerance | 5 arc min | 10 arc. sec |
| Surface quality |  ; 60-40 scratch/dig | /10; 20-10 scratch/dig | |
| | |
| | Standard Quality
| | Size, mm | BK7 | UV Fused Silica | SF4 |
| Part No | Price, USD | Part No | Price, USD | Part No | Price, USD |
| | 12.5 | DPP0112.5 | 36 | DPP1112.5 | 60 | DPP2112.5 | 45 |
| 20 | DPP0120 | 42 | DPP1120 | 75 | DPP2120 | 50 |
| 30 | DPP0130 | 55 | DPP1130 | 90 | DPP2130 | 65 |
Laser quality
| | Size, mm | BK7 | UV Fused Silica | SF4 |
| Part No | Price, USD | Part No | Price, USD | Part No | Price, USD |
| | 12.5 | DPP0212.5 | 48 | DPP1212.5 | 75 | DPP2212.5 | 55 |
| 20 | DPP0220 | 55 | DPP1220 | 92 | DPP2220 | 65 |
| 30 | DPP0230 | 70 | DPP1230 | 115 | DPP2230 | 85 | | |
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