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Proceedings Paper

Monolithic thulium-doped fiber laser
Author(s): J. Aubrecht; P. Peterka; P. Honzátko; F. Todorov; O. Podrazký; M. Kamrádek; J. Proboštová; I. Kašík
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Paper Abstract

In this contribution we report and discuss the results of laser characterizations of experimental thulium-doped optical fibers. These active fibers were fabricated in house and were tested in two laser systems to verify their characteristics. The first one, a monolithic fiber laser, was of great interest to us due to its potentially lower overall resonator losses, improved laser lifetime and better robustness. The compact laser cavities with a Bragg gratings inscribed directly into the active optical fiber differs to the second laser system where the Bragg gratings were inscribed into a passive fiber which had to be spliced to the active fiber. The tested fibers were manufactured by the modified chemical vapor deposition method and a solution-doping of thulium ions with Al2O3 or alumina nanoparticles, respectively. We focused on comparison of laser output powers, slope efficiencies, and laser thresholds for particular thulium-doped fiber in different laser configurations.

Paper Details

Date Published: 1 December 2017
PDF: 6 pages
Proc. SPIE 10603, Photonics, Devices, and Systems VII, 106030L (1 December 2017); doi: 10.1117/12.2292912
Show Author Affiliations
J. Aubrecht, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
P. Peterka, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
P. Honzátko, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
F. Todorov, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
O. Podrazký, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
M. Kamrádek, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
Czech Technical Univ. in Prague (Czech Republic)
J. Proboštová, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
I. Kašík, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)


Published in SPIE Proceedings Vol. 10603:
Photonics, Devices, and Systems VII
Karel Fliegel; Petr Páta, Editor(s)

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