Optical Components
Calcite (CaCO3) Glan Laser Prisms, Brewster Prism, and Beam Displacer
Glan Prisms
Glan Prism is made of two air-spaced calcite prisms. The strong calcite bi-refringes provides a high degree of transmitted beam p-polarization.
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Flatness | Lambda/2 @633 nm per inch |
| Scratch-Dig | 80-50 | |
| Linear tolerance, mm | ±0.1 | |
| Angular tolerance, arc min | ±10 | |
| Orientation, arc min | ±10 | |
| Bevels, mm | (0.1 ... 0.2)x45o | |
| AR Coating | Single layer MgF2 |
| AxBxC, mm | Part # | 6.0x7.5x7.5 | VPGL19-03 | 9.5x12.0x12.0 | VPGL19-04 |
Brewster prism
Brewster prism working at Brester angle minimizes losses in the transmitted beam p-polarized component. They are used in polarization photometers, spectrophotometers, polarimeters, for wavelength selection, and laser output tuning.
| 15.5x11.0x7.5 | VPLB19-06 |
Beam displacer
Due to its extremal bi-refringence, calcite beam displacer produces two displaced from each other by a precise distance orthogonal lineary polarized ouput beams.There is no angular separation.
| 15.0x6.0x3.0 | VPBD19-06 |
| 20.5x6.0x3.0 | VPBD19-81 |
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