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Appl. Sci. 2017, 7(12), 1295; doi:10.3390/app7121295

Highly Doped Phosphate Glass Fibers for Compact Lasers and Amplifiers: A Review

Istituto Superiore Mario Boella, via P. C. Boggio 61, 10138 Torino, Italy
DISAT—Politecnico di Torino and INSTM, Duca degli Abruzzi 24, 10129 Torino, Italy
Optoelectronics Research Centre, University of Southampton, Southampton SO17 1BJ, UK
Consiglio Nazionale delle Ricerche, Istituto di Fotonica e Nanotecnologie, Via alla Cascata 56/C, 38123 Trento, Italy
Author to whom correspondence should be addressed.
Received: 27 October 2017 / Revised: 6 December 2017 / Accepted: 11 December 2017 / Published: 13 December 2017
(This article belongs to the Special Issue Solid State Lasers Materials, Technologies and Applications)
View Full-Text   |   Download PDF [1177 KB, uploaded 13 December 2017]   |  


In recent years, the exploitation of compact laser sources and amplifiers in fiber form has found extensive applications in industrial and scientific fields. The fiber format offers compactness, high beam quality through single-mode regime and excellent heat dissipation, thus leading to high laser reliability and long-term stability. The realization of devices based on this technology requires an active medium with high optical gain over a short length to increase efficiency while mitigating nonlinear optical effects. Multicomponent phosphate glasses meet these requirements thanks to the high solubility of rare-earth ions in their glass matrix, alongside with high emission cross-sections, chemical stability and high optical damage threshold. In this paper, we review recent advances in the field thanks to the combination of highly-doped phosphate glasses and innovative fiber drawing techniques. We also present the main performance achievements and outlook both in continuous wave (CW) and pulsed mode regimes. View Full-Text
Keywords: fiber laser and amplifier; phosphate fiber; all-fiber master oscillator power amplifier (MOPA); rare-earth-doped fiber fiber laser and amplifier; phosphate fiber; all-fiber master oscillator power amplifier (MOPA); rare-earth-doped fiber

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Boetti, N.G.; Pugliese, D.; Ceci-Ginistrelli, E.; Lousteau, J.; Janner, D.; Milanese, D. Highly Doped Phosphate Glass Fibers for Compact Lasers and Amplifiers: A Review. Appl. Sci. 2017, 7, 1295.

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