SLM fiber laser stabilized at high temperature

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URI: https://hdl.handle.net/10902/35248
ISSN: 1041-1135
ISSN: 1941-0174
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Autoría
Rodríguez Cobo, LuisAutoridad Unican; López Higuera, José MiguelAutoridad Unican
Fecha
2016-03-15
Derechos
© 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Publicado en
IEEE Photonics Technology Letters, 2016, 28(6), 693-696
Editorial
Institute of Electrical and Electronics Engineers Inc.
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Palabras clave
Fiber lasers
Erbium
Single longitudinal mode
Fiber Bragg grating
High temperature
Resumen/Abstract
In this letter, an annealing process of UV-written fiber Bragg gratings (FBGs) has been employed to achieve FBGs with narrower reflection spectra to be employed in fiber lasers. These FBGs have been used to design distributed Bragg relfector (DBR) laser sensors working on the single longitudinal mode (SLM) regime even at high temperatures. A fiber laser sensor working on multimode regime has been written into commercial Er-doped fiber before annealing its mirror FBGs, removing the unstable UV-induced modulation part and narrowing the FBGs' combined response. This process obtains a DBR fiber laser sensor working on SLM regime at high temperatures (T = 500°C), and also exhibiting a remarkably good linearity and stability. The achieved results confirm the empirically adjusted aging model and prove its usefulness to design high precision devices able to work at high temperatures.
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