 |
It is composed by two 30°  right angle prisms. When a beam incident in one of the two surfaces (S1 & S2) at Brewster angle, then the beam will output at Brewster angle too from another surface, and beam is deviated 90 degree. It is often used as a dispersion prism. |
| Part No. | Material | Range nm | L/A | Extinction Ratio |
Angular Field |
Clear Aperture | Outside f (mm) |
Lmm) |
| PGM1306 | a -BBO | 220-3000 | 1.6 | <5x10 -6 | 15° | φ6 | 15.0 | 26 |
| PGM1308 | φ8 | 25.4 | 32 | |||||
| PGM1310 | φ10 | 25.4 | 38 | |||||
| PGM1315 | φ15 | 30.0 | 53 | |||||
| PGM1406 | Calcite | 350-2300 | 2.5 | <1x10 -5 | 14° -16° | φ6 | 15.0 | 23 |
| PGM1408 | φ8 | 25.4 | 28 | |||||
| PGM1410 | φ10 | 25.4 | 33 | |||||
| PGM1415 | φ15 | 30.0 | 45 | |||||
| PGM2406 | 350-2300 | 3.0 | <1x10 -5 | 25°-28° | φ6 | 15.0 | 26 | |
| PGM2408 | φ8 | 25.4 | 32 | |||||
| PGM2410 | φ10 | 25.4 | 38 | |||||
| PGM2415 | φ15 | 30.0 | 53 |
| Material: | a -BBO ,Calcite |
| Surface Quality: | 40-20 scratch and dig |
| Dimensions Tolerance: | ±0.1 mm |
| Wavefront Distortion: | < l /4 @632.8nm |
| Beam Deviation: | < 3 arc minutes |
| Coating: | Single layer MgF2 |
| Housing: | Black Anodized Aluminum |