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  4. Temperature investigation of low SWaP thulium-doped fiber lasers
 
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2024
Journal Article
Title

Temperature investigation of low SWaP thulium-doped fiber lasers

Abstract
We investigate the temperature dependence of an in-band core-pumped thulium-doped fiber laser with a low SWaP (size, weight, and power) architecture. The temperature investigation is carried out both experimentally and numerically by a simulation model. We demonstrate experimentally that the investigated setup is resistant for temperatures till 353 K. In addition, we explain the observed behavior by considering the temperature depended spectroscopic parameters of thulium-doped silica fibers. Finally, a numerical investigation is carried out for higher temperatures up to 573 K and higher output powers up to 12 W as well as for different wavelengths and show that the considered fiber lasers works still efficient at these temperature ranges. We show the reliability of the considered thulium-doped fiber laser architecture for applications in harsh environment.
Author(s)
Panitzek, Dieter  
Fraunhofer-Institut für Optronik, Systemtechnik und Bildauswertung IOSB  
Romano, Clément  
Fraunhofer-Institut für Optronik, Systemtechnik und Bildauswertung IOSB  
Eichhorn, Marc  
Fraunhofer-Institut für Optronik, Systemtechnik und Bildauswertung IOSB  
Kieleck, Christelle  
Fraunhofer-Institut für Optronik, Systemtechnik und Bildauswertung IOSB  
Journal
Optics Express  
Open Access
DOI
10.1364/oe.504623
Language
English
Fraunhofer-Institut für Optronik, Systemtechnik und Bildauswertung IOSB  
Keyword(s)
  • ZsiF

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