Polarizer and method

Details Polarizer and method Polarizer and method

1980-10-10

1983-06-07

Nussbaum, Marvin L.

350 9629, G02B 514

Patent

active

043868223

ABSTRACT:
Apparatus and method for changing the degree of polarization of light in a waveguide such as an optical fiber. A portion of the cladding of a strand of fiber optic material is removed, and a body of birefringent material is mounted in the area in which the material has been removed in close proximity to the core of the fiber. The birefringent material modifies the propagation of two polarization modes within the fiber in such manner that one of the modes is coupled to a bulk wave mode and removed from the guide, while the second mode excites no bulk waves and remains guided.

REFERENCES:
patent: 3839067 (1974-10-01), Sosnowski et al.
patent: 3996576 (1976-12-01), Bullock
patent: 4151747 (1979-05-01), Gottlieb et al.
patent: 4264126 (1981-04-01), Sheem

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