Integral temperature hybrid laser sensor

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URI: http://hdl.handle.net/10902/2490
ISSN: 1996-756X
ISSN: 0277-786X
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Autoría
Galíndez Jamioy, Carlos Augusto; Rodríguez Cobo, LuisAutoridad Unican; Anabitarte García, FranciscoAutoridad Unican; López Higuera, José MiguelAutoridad Unican
Fecha
2012-10-04
Derechos
© 2012 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.
Publicado en
Proceedings of SPIE, 2012, vol. 8421, 842199
22nd International Conference on Optical Fiber Sensors, Pekín, 2012
Editorial
SPIE Society of Photo-Optical Instrumentation Engineers
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Palabras clave
Brillouin frequency shift
Fabry-Perot ring laser
Tunable wavelength laser
Resumen/Abstract
An integral temperature sensor based on Brillouin laser ring that is feed by a Fourier Domain mode-locking (FDML) laser is here proposed. The source FDML laser ring emits at 1532 nm within a range of 5 nm. The working wavelength is given by tuning the offset voltage applied to a Fabry-Perot tunable filter (FFP-TF). In the present work, the FDML laser linewidth is set at 0.136 nm. This linewidth allows a more efficient Brillouin response in the optical fiber without increasing the Brillouin threshold. The FDML laser linewidth is controlled by setting the amplitude modulation of the drive signal offset applied on the FFP-TF.
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