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Proceedings Paper

Twist in the center of the loop of Sagnac interferometer of optical fiber to determine the beat length
Author(s): J. M. Estudillo-Ayala; A. Placencia-Villanueva; Roberto Rojas-Laguna; T. Toledo-Garcia; E. Alvarado-Mendez; Jose Amparo Andrade-Lucio; O. G. Ibarra-Manzano; Rene Jaime-Rivas; Maria de Jesus Estudillo-Ayala
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Paper Abstract

In this work we showed an improvement in the method to measure low birefringence in optical fibers with the Sagnac interferometer published in paper previous in which the fiber twists in an end of the loop of the interferometer and the entrance of the light every time it is adjusted that twists the fiber. In this work we twist the fiber in the center of the loop of the Sagnac interferometer it is very simple and we don't need light polarization neither to adjust the axes in the entrance of the fiber. It can use for the mensuration a section of shorter fiber that a beat length. Some theoretical and experimental results are presented.

Paper Details

Date Published: 21 October 2004
PDF: 6 pages
Proc. SPIE 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, (21 October 2004); doi: 10.1117/12.591672
Show Author Affiliations
J. M. Estudillo-Ayala, Univ. de Guanajuato (Mexico)
A. Placencia-Villanueva, Univ. de Guanajuato (Mexico)
Roberto Rojas-Laguna, Univ. de Guanajuato (Mexico)
T. Toledo-Garcia, Univ. de Guanajuato (Mexico)
E. Alvarado-Mendez, Univ. de Guanajuato (Mexico)
Jose Amparo Andrade-Lucio, Univ. de Guanajuato (Mexico)
O. G. Ibarra-Manzano, Univ. de Guanajuato (Mexico)
Rene Jaime-Rivas, Univ. de Guanajuato (Mexico)
Maria de Jesus Estudillo-Ayala, CBTIS (Mexico)

Published in SPIE Proceedings Vol. 5622:
5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications
Aristides Marcano O.; Jose Luis Paz, Editor(s)

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