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Título

Brillouin optical time-domain analysis assisted by second-order Raman amplification

AutorMartín-López, Sonia; Alcon-Camas, Mercedes ; Rodríguez, Félix; Corredera, Pedro ; Ania Castañón, Juan Diego ; Thévenaz, Luc; González Herráez, Miguel
Fecha de publicación2010
EditorOptical Society of America
CitaciónOptics Express 18: 18769- 18778 (2010)
ResumenWe propose and experimentally demonstrate a new method to extend the range of Brillouin optical time domain analysis (BOTDA) systems. It exploits the virtual transparency created by second-order Raman pumping in optical fibers. The idea is theoretically analyzed and experimentally demonstrated in a 50 km fiber. By working close to transparency, we also show that the measurement length of the BOTDA can be increased up to 100 km with 2 meter resolution. We envisage extensions of this technique to measurement lengths well beyond this value, as long as the issue of relative intensity noise (RIN) of the primary Raman pump can be avoided. © 2010 Optical Society of America.
URIhttp://hdl.handle.net/10261/54428
DOI10.1364/OE.18.018769
Identificadoresdoi: 10.1364/OE.18.018769
issn: 1094-4087
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