| 摘要 |
An optical device comprising a first combination of birefringent prisms with parallel optic axes for dividing an optical input beam into polarized beams, a second combination of birefringent prisms with parallel optic axes for combining polarized beams into an output beam, a polarization changer, and means for improving isolation in optical isolators, attenuators and switches and for improving material costs, light transmission, size and beam capacity in optical isolators, attenuators, switches and circulators. |
