Novel Sagnac interferometer for characterizing the chromatic dispersion and length of installed optical fiber

Kazi Sawar Abedin; Masaharu Hyodo; Noriaki Onodera

doi:10.1117/12.406394

15 December 2000 Novel Sagnac interferometer for characterizing the chromatic dispersion and length of installed optical fiber

Kazi Sawar Abedin, Masaharu Hyodo, Noriaki Onodera

Author Affiliations +

Proceedings Volume 4087, Applications of Photonic Technology 4; (2000) https://doi.org/10.1117/12.406394
Event: 2000 International Conference on Application of Photonic Technology (ICAPT 2000), 2000, Quebec City, Canada

Abstract

An interferometric technique for the measurement of chromatic dispersion and length of long single mode fiber is demonstrated using a novel asymmetrically modulated Sagnac interferometer. The mterferometer incorporates a phase modulator and a test fiber, so that dispersion and length can be determined from the interference fringe that is available at the Outut when a sweep RF signal is applied to the modulator. This technique measures dispersion with high temporal resolution, requires no fast test equipment and is suitable for installed fibers over a wide range of lengths.

Citation Download Citation

Kazi Sawar Abedin, Masaharu Hyodo, and Noriaki Onodera "Novel Sagnac interferometer for characterizing the chromatic dispersion and length of installed optical fiber", Proc. SPIE 4087, Applications of Photonic Technology 4, (15 December 2000); https://doi.org/10.1117/12.406394

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