Virtual long-period fiber gratings
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AuthorJáuregui Misas, César; Quintela Incera, María Ángeles; Márquez, P.; López Higuera, José Miguel; Cobo García, Adolfo; González Fernández, Daniel Aquilino
© 2004 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Proceedings of SPIE, 2004, vol. 5502, 447-450
Second European Workshop on Optical Fibre Sensors, Santander, 2004
SPIE Society of Photo-Optical Instrumentation Engineers
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Long-period fiber Bragg grating
In this paper a theoretical prediction of a new kind of in-fiber devices is presented. They behave essentially like long-period Bragg gratings except for the fact that they are not permanent but volatile. This is because these devices are not formed by the UV-induced increment of the refractive index but by the twisting of a pristine HiBi fiber. This way, a long period fiber grating whose characteristics can be modified by changing the polarization of the incoming light is obtained.
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