Estudo das propriedades ópticas do grafeno e sua aplicação como absorvedor saturável em lasers à fibra dopada com érbio

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dc.contributor.advisorSouza, Eunézio Antônio dept_BR
dc.contributor.advisor1Latteshttp://lattes.cnpq.br/9756214150140645por
dc.contributor.authorRosa, Henrique Guimarãespt_BR
dc.creator.Latteshttp://lattes.cnpq.br/7713098655067147por
dc.date.accessioned2016-03-15T19:38:52Z
dc.date.accessioned2020-05-28T18:07:57Z
dc.date.available2015-04-15pt_BR
dc.date.available2020-05-28T18:07:57Z
dc.date.issued2015-02-25pt_BR
dc.description.abstractIn this thesis, we present results on the fabrication, transfer and characterization of chemical vapor deposition (CVD) graphene and exfoliated graphene over glass and optical fiber substrates, to study optical properties of graphene and its application as a saturable absorber for Erbium-doped fiber laser (EDFL). Monolayer CVD graphene and stacked CVD graphene samples were fabricated and characterized, transferred to the transverse face of optical fibers, and a study on the relation between the optical properties of graphene samples and the properties of ultrashort laser pulses generated in (EDFL) was performed. Furthermore, we have developed a technique for transferring exfoliated nanomaterials which allowed us to transfer exfoliated graphene onto optical fiber s faces and align the graphene flake to the fiber core. With this transfer technique it is possible to fabricate samples with controlled number of graphene layers onto optical fiber faces. As application, we demonstrate ultrashort pulse generation in Erbium-doped fiber laser with exfoliated monolayer graphene samples as saturable absorber. This is the first time that ultrashort laser pulses are generated with a single exfoliated monolayer graphene sample.eng
dc.description.sponsorshipFundo Mackenzie de Pesquisapt_BR
dc.formatapplication/pdfpor
dc.identifier.citationROSA, Henrique Guimarães. Estudo das propriedades ópticas do grafeno e sua aplicação como absorvedor saturável em lasers à fibra dopada com érbio. 2015. 128 f. Tese (Doutorado em Engenharia Elétrica) - Universidade Presbiteriana Mackenzie, São Paulo, 2015.por
dc.identifier.urihttp://dspace.mackenzie.br/handle/10899/24262
dc.languageporpor
dc.publisherUniversidade Presbiteriana Mackenziepor
dc.rightsAcesso Abertopor
dc.subjectgrafenopor
dc.subjectnúmero de camadas de grafenopor
dc.subjectempilhamentopor
dc.subjecttransferência de grafeno esfoliadopor
dc.subjectabsorvedor saturávelpor
dc.subjectfibra ópticapor
dc.subjectpulsos ultracurtospor
dc.subjectlaser à fibra dopada com érbiopor
dc.subjectgrapheneeng
dc.subjectnumber of graphene layerseng
dc.subjectstackingeng
dc.subjectexfoliated graphene transfereng
dc.subjectsaturable absorbereng
dc.subjectoptical fibereng
dc.subjectultrashort pulseseng
dc.subjecterbium-doped fiber lasereng
dc.subject.cnpqCNPQ::ENGENHARIAS::ENGENHARIA ELETRICApor
dc.thumbnail.urlhttp://tede.mackenzie.br/jspui/retrieve/3788/Henrique%20Guimaraes%20Rosa.pdf.jpg*
dc.titleEstudo das propriedades ópticas do grafeno e sua aplicação como absorvedor saturável em lasers à fibra dopada com érbiopor
dc.typeTesepor
local.contributor.board1Matos, Christiano José Santiago dept_BR
local.contributor.board1Latteshttp://lattes.cnpq.br/6843256597783676por
local.contributor.board2Gomes, José Carlos Vianapt_BR
local.contributor.board2Latteshttp://lattes.cnpq.br/1111111111111111por
local.contributor.board3Fragnito, Hugo Luispt_BR
local.contributor.board3Latteshttp://lattes.cnpq.br/7425073948369069por
local.contributor.board4Paula, Ana Maria dept_BR
local.contributor.board4Latteshttp://lattes.cnpq.br/9361477493709726por
local.publisher.countryBRpor
local.publisher.departmentEngenharia Elétricapor
local.publisher.initialsUPMpor
local.publisher.programEngenharia Elétricapor
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Engenharia Elétrica e Computação - Teses - EE Higienópolis