Method of producing polarization-maintaining single-mode optical

Details Method of producing polarization-maintaining single-mode optical Method of producing polarization-maintaining single-mode optical

1987-07-21

1989-02-21

Schor, Kenneth M.

65 311, 350 9632, C03B 3712, G02B 610

Patent

active

048059862

ABSTRACT:
A method of producing polarization-maintaining single-mode optical waveguides is provided wherein the preform from which the optical waveguide is produced consists of a tube, a rod of core and cladding material centrally disposed in said tube, and two differently doped pairs of filler rods disposed about said rod, the two rods of each pair being disposed diametrically opposed to each other with respect to said rod. Maximum polarization maintenance of the optical waveguide being produced is achieved by choosing the diameter ratios so that each filler rod rests against the central rod, against the inside wall of the tube, and directly against the two filler rods of the respective other pair.

REFERENCES:
patent: 3535017 (1970-10-01), Miller
patent: 4395270 (1983-07-01), Blankenship

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