Optical dispersion measurement apparatus and measurement...

Details Optical dispersion measurement apparatus and measurement... Optical dispersion measurement apparatus and measurement...

2005-09-13

2005-09-13

Nguyen, Tu T. (Department: 2877)

Optics: measuring and testing

For optical fiber or waveguide inspection

Reexamination Certificate

active

06943871

ABSTRACT:
An optical dispersion measurement apparatus includes a device for generating a light beam; wiring for inputting the light beam to a first terminal of an optical distributor; wiring for outputting the input light beam as a plurality of light beams; an optical modulation device for modulating at least two of the light beams; an optical path via which the at least two beams are returned to the optical distributor; wiring for outputting the light beams returned to the optical distributor from a second terminal of the optical distributor; a device for detecting the light output from the second terminal; and a device for relating an intensity of the detected light to an optical modulation frequency that is used.

REFERENCES:
patent: 5056919 (1991-10-01), Arditty et al.
patent: 5377283 (1994-12-01), Blake et al.
patent: 5774217 (1998-06-01), Lee et al.
patent: 0 342 847 (1989-11-01), None
patent: 0 685 722 (1995-12-01), None
V. Vali, et al., Applied Optics, vol. 16, No. 10, pp. 2605-2607, “Fresnel-Fizeau Effect In a Rotating Optical Fiber Ring Interferometer”, Oct. 1977.

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