Two-color random laser based on a Nd3þ doped crystalline powder

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dc.creatorMaia, Lauro June Queiroz
dc.creatorRiquelme Pincheira, Pablo Isaias
dc.creatorMaia, Lauro June Queiroz
dc.creatorGomes, Anderson Stevens Leonidas
dc.creatorAraújo, Cid Bartolomeu de
dc.date.accessioned2024-02-15T12:33:28Z
dc.date.available2024-02-15T12:33:28Z
dc.date.issued2017
dc.description.abstractTwo-color random laser (RL) emission is demonstrated for the first time in a neodymium (Nd3þ) doped nanocrystalline powder. Emissions at 1063.5 and 1065.1 nm, due to the Nd3þ transition 4 F3/2 -4 I11/2 in NdAl3(BO3)4 nanocrystals, were observed by exciting the powder in resonance with the Nd3þ transition 4 I9/2-4 F5/2, at 811 nm. The dual-wavelength emission is attributed to the radiative decay from two nonequivalent site-symmetries occupied by the Nd3þ in the NdAl3(BO3)4 crystalline structure. The behavior of the Nd3þ emissions versus the samples' temperature indicates the possibility of the RL application as a near infrared optical sensor with a large thermal sensitivity of 0.020 °C1
dc.identifier.citationMOURA, André L. et al. Two-color random laser based on a Nd3+ doped crystalline powder. Journal of Luminescence, Amsterdam, v. 181, p. 44-48, 2017. DOI: 10.1016/j.jlumin.2016.09.002. Disponível em: https://www.sciencedirect.com/science/article/pii/S0022231316306524. Acesso em: 1 fev. 2024.
dc.identifier.doi10.1016/j.jlumin.2016.09.002
dc.identifier.issn0022-2313
dc.identifier.issne- 1872-7883
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S0022231316306524
dc.language.isoeng
dc.publisher.countryHolanda
dc.publisher.departmentInstituto de Física - IF (RMG)
dc.rightsAcesso Restrito
dc.subjectRandom laser
dc.subjectNeodymium ions
dc.subjectBichromatic emission
dc.subjectOptical thermometry
dc.titleTwo-color random laser based on a Nd3þ doped crystalline powder
dc.typeArtigo

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