Quasi-three level Nd:YLF fundamental and Raman laser operating under 872-nm and 880-nm direct diode pumping

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dc.contributor.authorWETTER, NIKLAUS U.
dc.contributor.authorBERECZKI, ALLAN
dc.contributor.authorPAES, JOAO P.F.
dc.contributor.editorCLARKSON, W.A.
dc.contributor.editorSHORI, RAMESH K.
dc.coverageInternacionalpt_BR
dc.creator.eventoSOLID STATE LASERS XXVII: TECHNOLOGY AND DEVICESpt_BR
dc.date.accessioned2018-08-02T18:03:23Z
dc.date.available2018-08-02T18:03:23Z
dc.date.eventoJanuary 27 - February 01, 2018pt_BR
dc.description.abstractNd:YLiF4 is the gain material of choice whenever outstanding beam quality or a birefringent gain material is necessary such as in certain applications for terahertz radiation or dual-frequency mode-locking. However, for high power CW applications the material is hampered by a low thermal fracture threshold. This problem can be mitigated by special 2D pump set-ups or by keeping the quantum defect to a minimum. Direct pumping into the upper laser level of Nd:YLiF4 is usually performed at 880 nm. For quasi-three level laser emission at 908 nm, direct pumping at this wavelength provides a high quantum defect of 0.97, which allows for very high CW pump powers. Although the direct pumping transition to the upper laser state at 872 nm has a slightly smaller quantum defect of 0.96, its pump absorption cross section along the c-axis is 50% higher than at 880 nm, leading to a higher absorption efficiency. In this work we explore, for the first time to our knowledge, 908 nm lasing under 872 nm diode pumping and compare the results with 880 nm pumping for quasicw and cw operation. By inserting a KGW crystal in the cavity, Raman lines at 990 nm and 972 nm were obtained for the first time from a directly pumped 908 nm Nd:YLF fundamental laser for both quasi-cw and cw conditions.pt_BR
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)pt_BR
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)pt_BR
dc.description.sponsorshipIDCNPq: 401580/2012pt_BR
dc.description.sponsorshipIDFAPESP: 12/11437-8pt_BR
dc.event.siglaSPIEpt_BR
dc.format.extent105111S-1 - 105111S7pt_BR
dc.identifier.citationWETTER, NIKLAUS U.; BERECZKI, ALLAN; PAES, JOAO P.F. Quasi-three level Nd:YLF fundamental and Raman laser operating under 872-nm and 880-nm direct diode pumping. In: CLARKSON, W.A. (ed.); SHORI, RAMESH K. (ed.). In: SOLID STATE LASERS XXVII: TECHNOLOGY AND DEVICES, January 27 - February 01, 2018, San Francisco, California, USA. <b>Proceedings...</b> Bellingham, WA, USA: Society of Photo-optical Instrumentation Engineers, 2018. p. 105111S-1 - 105111S7. (SPIE Proceedings Series, 10511). DOI: <a href="https://dx.doi.org/10.1117/12.2290444">10.1117/12.2290444</a>. Disponível em: http://repositorio.ipen.br/handle/123456789/29017.
dc.identifier.doi10.1117/12.2290444pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-9379-9530
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/29017
dc.localBellingham, WA, USApt_BR
dc.local.eventoSan Francisco, California, USApt_BR
dc.publisherSociety of Photo-optical Instrumentation Engineerspt_BR
dc.relation.ispartofseriesSPIE Proceedings Series, 10511pt_BR
dc.rightsopenAccesspt_BR
dc.subjectlasers
dc.subjectpumping
dc.subjectresonators
dc.subjectraman spectra
dc.subjectsolid state lasers
dc.subjectdiode-pumped solid state lasers
dc.subjectneodymium lasers
dc.subjectyttrium fluorides
dc.subjectlithium fluorides
dc.subjectcrystals
dc.titleQuasi-three level Nd:YLF fundamental and Raman laser operating under 872-nm and 880-nm direct diode pumpingpt_BR
dc.typeTexto completo de eventopt_BR
dspace.entity.typePublication
ipen.autorALLAN BERECZKI
ipen.autorJOAO PEDRO FONSECA PAES
ipen.autorNIKLAUS URSUS WETTER
ipen.codigoautor12080
ipen.codigoautor12695
ipen.codigoautor919
ipen.contributor.ipenauthorALLAN BERECZKI
ipen.contributor.ipenauthorJOAO PEDRO FONSECA PAES
ipen.contributor.ipenauthorNIKLAUS URSUS WETTER
ipen.date.recebimento18-08pt_BR
ipen.event.datapadronizada2018pt_BR
ipen.identifier.ipendoc24807pt_BR
ipen.notas.internasProceedingspt_BR
ipen.type.genreArtigo
relation.isAuthorOfPublicationc1a4f374-98c2-4d09-a07b-df64015613ed
relation.isAuthorOfPublicationae257234-ba11-451f-a18c-7b1d629dad10
relation.isAuthorOfPublication464db0c6-6072-480b-b899-81848893f7eb
relation.isAuthorOfPublication.latestForDiscovery464db0c6-6072-480b-b899-81848893f7eb
sigepi.autor.atividadeWETTER, NIKLAUS U.:919:910:Spt_BR
sigepi.autor.atividadeBERECZKI, ALLAN:12080:910:Npt_BR
sigepi.autor.atividadePAES, JOAO P.F.:12695:910:Npt_BR
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