Fiber optical transmission filter with double-refraction element

Details Fiber optical transmission filter with double-refraction element Fiber optical transmission filter with double-refraction element

1980-02-26

1982-07-27

Lee, John D.

350 9615, 350311, 350372, 350400, G02B 5172

Patent

active

043414427

ABSTRACT:
In manufacturing optical transmission filters having double-refraction elements, extreme care is usually necessary to provide the desired phase delay. To simplify the manufacturing process while still achieving accurate phase delay, a filter is provided with at least one double-refraction element comprising a single-mode optical filter mounted between polarizers. The double refraction of the optical fiber is sufficiently weak so that the .lambda. length within which light beams propagating with orthogonal polarization states in the fiber are mutually delayed by 2.pi., is at least 1 cm. In one embodiment, the optical fiber comprises alternating sections which produce linear double refraction with sections which produce elliptical double refraction.

REFERENCES:
patent: 4247166 (1981-01-01), Yeh
patent: 4252404 (1981-02-01), DiVita
patent: 4253727 (1981-03-01), Jeunhomme et al.
Evans, "Solc Birefringent Filter", J.O.S.A., vol. 48, No. 3, Mar. 1958, pp. 42-145.
Simon et al., "Evolution of Polarization Along a Single-Mode Fiber", Appl. Phys. Lett., vol. 31, No. 8, Oct. 1977, pp. 517-520.
Rashleigh et al., "Polarization Mode Dispersion in Single-Mode Fibers", Optics Letters, vol. 3, No. 2, Aug. 1978, pp. 60-62.
Ulrich et al., "Single-Mode Fiber-Optical Polarization Rotator", Appl. Optics, vol. 18, No. 11, Jun. 1979, pp. 1857-1861.

Affiliated with

Also associated with

Rating

Fiber optical transmission filter with double-refraction element does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fiber optical transmission filter with double-refraction element, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fiber optical transmission filter with double-refraction element will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2022702