Fiber-optic depolarizer

Details Fiber-optic depolarizer Fiber-optic depolarizer

1993-07-12

1995-10-10

Bovernick, Rodney B.

Optical waveguides

Polarization without modulation

385 96, G02B 626

Patent

active

054577560

ABSTRACT:
A process for the manufacturing a fiber optic depolarizer as well as an arrangement of that type uses two optical fiber sections which obtain the polarization planes of the light and which are connected with one another in such a manner that the principal axes of the optical fiber sections enclose an angle of 45.degree.. An optical fiber piece which obtains no polarization is inserted between the optical fiber sections whose principal axes enclose an angle of 45.degree., in that the optical fiber sections and the optical fiber piece are fixed to one another at their connecting areas. The principal axis orientations of the optical fiber sections are adjusted in such a manner that, in the case of a firm positioning of one of the two connecting areas by the torsional twisting of the other connecting area, an angle of 45.degree. is adjusted.

REFERENCES:
patent: 4641914 (1987-02-01), Sheem
patent: 4801185 (1989-01-01), Bricheno
patent: 5187757 (1993-02-01), Ohno et al.
Ulrich et al.; "Single-mode fiber-optical polarization rotator"; Applied Optics, vol. 18, No. 11, Jun. 79, pp. 1857-1861.
Varnham et al; "Polarimetric Strain Gauges Using High Birefringence Fiber"; Electronics Letters, Aug. 1983, vol. 19, No. 17 pp. 699-700.

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