Vibronic thulium laser at 2131 nm Q-switched by single-walled carbon nanotubes

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dc.contributor.authorLoiko, P.ko
dc.contributor.authorMateos, X.ko
dc.contributor.authorChoi, S. Y.ko
dc.contributor.authorRotermund, F.ko
dc.contributor.authorSerres, J. M.ko
dc.contributor.authorAguilo, M.ko
dc.contributor.authorDiaz, F.ko
dc.contributor.authorYumashev, K.ko
dc.contributor.authorGriebner, U.ko
dc.contributor.authorPetrov, V.ko
dc.date.accessioned2020-03-19T03:21:10Z-
dc.date.available2020-03-19T03:21:10Z-
dc.date.created2020-03-10-
dc.date.issued2016-11-
dc.identifier.citationJOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, v.33, no.11, pp.D19 - D27-
dc.identifier.issn0740-3224-
dc.identifier.urihttp://hdl.handle.net/10203/272807-
dc.description.abstractEfficient and power-scalable laser operation of a vibronic Tm3+ : KLu(WO4)(2) microchip laser at similar to 2.13 mu m is demonstrated. In the continuous-wave mode under diode pumping at similar to 805 nm, this laser generated 1.17 W at 2109-2133 nm with a slope efficiency of 39%. This emission is related to the coupling of the electronic transitions of Tm3+ ions with the stretching vibrations of the WOW oxygen bonds in the monoclinic KLu(WO4)(2) crystal host appearing at similar to 379, 406, and 450 cm(-1). The achieved emission wavelength is longer, to our knowledge, than any previously reported laser based on Tm3+ or Ho3+ doped double tungstate crystals. Passive Q-switching of the vibronic Tm3+ : KLu(WO4)(2) laser is realized with a single-walled carbon nanotube (SWCNT) based saturable absorber, representing the longest wavelength in this mode of operation. In this regime, the maximum output power reached 0.70 W at 2131 nm, corresponding to a slope efficiency of 29%. The pulse characteristics were 25 ns/1.1 mu J at the pulse repetition frequency of 0.62 MHz. These are, we believe, the shortest pulses ever achieved in any lanthanide-based laser passively Q-switched by carbon nanostructures. A conventional (purely electronic transition) Tm3+ : KLu(WO4)(2) microchip laser at 1.92 mu m Q-switched by the same SWCNTs generated 40 ns/ 4.0 mu J pulses corresponding to a peak power of 0.1 kW, which is a record value for this type of laser oscillator, to our knowledge. (C) 2016 Optical Society of America-
dc.languageEnglish-
dc.publisherOPTICAL SOC AMER-
dc.titleVibronic thulium laser at 2131 nm Q-switched by single-walled carbon nanotubes-
dc.typeArticle-
dc.identifier.wosid000387766500005-
dc.identifier.scopusid2-s2.0-84994716187-
dc.type.rimsART-
dc.citation.volume33-
dc.citation.issue11-
dc.citation.beginningpageD19-
dc.citation.endingpageD27-
dc.citation.publicationnameJOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS-
dc.identifier.doi10.1364/JOSAB.33.000D19-
dc.contributor.localauthorRotermund, F.-
dc.contributor.nonIdAuthorLoiko, P.-
dc.contributor.nonIdAuthorMateos, X.-
dc.contributor.nonIdAuthorChoi, S. Y.-
dc.contributor.nonIdAuthorSerres, J. M.-
dc.contributor.nonIdAuthorAguilo, M.-
dc.contributor.nonIdAuthorDiaz, F.-
dc.contributor.nonIdAuthorYumashev, K.-
dc.contributor.nonIdAuthorGriebner, U.-
dc.contributor.nonIdAuthorPetrov, V.-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusHOKLU(WO4)(2) MICROCHIP LASER-
dc.subject.keywordPlusMODE-LOCKING-
dc.subject.keywordPlusMONOCLINIC KLU(WO4)(2)-
dc.subject.keywordPlusHO-YAG-
dc.subject.keywordPlusEFFICIENT-
dc.subject.keywordPlusGRAPHENE-
dc.subject.keywordPlusTM-
dc.subject.keywordPlusSPECTROSCOPY-
dc.subject.keywordPlusOPERATION-
dc.subject.keywordPlusKRE(WO4)(2)-
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