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dc.contributor.authorDemirbaş, Ümit
dc.contributor.authorThesinga, Jelto
dc.contributor.authorBeyatlı, Ersen
dc.contributor.authorKellert, Martin
dc.contributor.authorPergament, Mikhail
dc.contributor.authorKärtner, Franz X.
dc.date.accessioned2022-12-28T05:52:44Z
dc.date.available2022-12-28T05:52:44Z
dc.date.issued2022en_US
dc.identifier.citationDemirbas, U., Thesinga, J., Beyatli, E., Kellert, M., Pergament, M., & Kärtner, F. X. (2022). Continuous-wave Tm:YLF laser with ultrabroad tuning (1772-2145 nm). Optics express, 30(23), 41219–41239. https://doi.org/10.1364/OE.471288en_US
dc.identifier.issn1094-4087
dc.identifier.urihttps://doi.org/10.1364/OE.471288
dc.identifier.urihttps://hdl.handle.net/11436/7287
dc.description.abstractWe report detailed experimental data aiming for rigorous investigation of Tm:YLF laser performance, especially with a focus on tuning behavior. Continuous-wave (cw) lasing performance of Tm:YLF crystals with thulium dopings in the 2-6% range is investigated under diode and Ti:Sapphire pumping at 792 nm and 780 nm, respectively. While employing the c-axis, we have achieved cw lasing thresholds below 20 mW, laser output power up to 1.42 W, and laser slope efficiencies as high as 70% with respect to absorbed pump power. The passive loss of the Tm:YLF crystal is estimated to be as low as 0.05% per cm, corresponding to a crystal figure of merit above 10000. Via employing this low-loss crystal and a 2-mm thick off-surface optical axis birefringent filter (BRF) with strong sideband rejection, a record cw tuning range covering the 1772-2145 nm interval is demonstrated (except a small gap between 1801-1815nm region). Detailed lifetime and emission cross section measurements have been performed to explain the observed performance, and strategies for further performance enhancement are discussed.en_US
dc.language.isoengen_US
dc.publisherOptica Publishing Groupen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.titleContinuous-wave Tm:YLF laser with ultrabroad tuning (1772-2145 nm)en_US
dc.typearticleen_US
dc.contributor.departmentRTEÜ, Mühendislik ve Mimarlık Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.contributor.institutionauthorBeyatlı, Ersen
dc.identifier.doi10.1364/OE.471288en_US
dc.identifier.volume30en_US
dc.identifier.issue23en_US
dc.identifier.startpage41219en_US
dc.identifier.endpage41239en_US
dc.relation.journalOptics Expressen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US


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