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Combine the function of a beamsplitter with the convenience of the penta prism: adjustment free 90° reflection. | By adding a wedge and a partially reflective coating on the interface surface, the penta prism can be used as a beamsplitter. We term this optic "Beamsplitter Penta Prism". If you do not find what you require below, we will gladly manufacture to your requirements. |  |
- 50/50 R/T ratio for standard products
- Custom R/T ratios available
- 10" beam deflection tolerance
| Incoming Beam | Outgoing Beam | | 45° Linearly polarized | Two partially polarized light beams | | Circularly polarized | | Natural light |
| Specifications: | | | Material | BK7 grade A, fine annealed optical glass | | Dimension Tolerance | ± 0.1 | | Flatness | λ/4 @ 632.8 nm | | Surface Quality | 40-20 scratch-dig | | Clear Aperture | >90% dimension | | Beam Deflection | 90°, 180° ± 10″ | | R/T | R/T = 50/50 ± 5% at 450-680 nm | | Coatings | Entrance and exit surfaces are MgF2 AR coated. Surface S1 is BS coated, surface S2 is HR coated |
| Order No. | Wavelength | a=h | | 50.010.00084 | 488 | 12.7 | | 50.010.00085 | 488 | 20.0 | | 50.010.00086 | 488 | 25.4 | | 50.010.00087 | 532 | 12.7 | | 50.010.00088 | 532 | 20.0 | | 50.010.00089 | 532 | 25.4 | | 50.010.00090 | 633 | 12.7 | | 50.010.00091 | 633 | 20.0 | | 50.010.00092 | 633 | 25.4 | | 50.010.00093 | 1064 | 12.7 | | 50.010.00094 | 1064 | 20.0 | | 50.010.00095 | 1064 | 25.4 |
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Optiken 
