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Application of WGM Resonances to the Measurement of the Temperature Increment of Ho and Ho-Yb Doped Optical Fibers Pumped at 1125 and 975 nm

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Application of WGM Resonances to the Measurement of the Temperature Increment of Ho and Ho-Yb Doped Optical Fibers Pumped at 1125 and 975 nm

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dc.contributor.author	Roselló-Mechó, Xavier
dc.contributor.author	Delgado-Pinar, Martina
dc.contributor.author	Barmenkov, Yuri O.
dc.contributor.author	Kir'yanov, Alexander V.
dc.contributor.author	Andrés, Miguel V.
dc.date.accessioned	2021-03-29T07:34:47Z
dc.date.available	2021-03-30T04:45:05Z
dc.date.issued	2021	es_ES
dc.identifier.citation	X. Roselló-Mechó, M. Delgado-Pinar, Y. O. Barmenkov, A. V. Kir’yanov, and M. V. Andrés, “Application of WGM Resonances to the Measurement of the Temperature Increment of Ho and Ho-Yb Doped Optical Fibers Pumped at 1125 and 975 nm”, Sensors, Vol. 21, art. 2094, 2021.	es_ES
dc.identifier.uri	https://hdl.handle.net/10550/78399
dc.description.abstract	Optical fiber characterization using whispering gallery mode resonances of the fiber itself has been demonstrated to be a powerful technique. In this work, we exploit the thermal sensitivity of whispering gallery mode resonances to characterize the pump-induced temperature increment in holmium doped and holmium-ytterbium codoped optical fibers. The technique relies on the measurement of the resonances’ wavelength shift due to temperature variation as a function of the pump power. Holmium doped fibers were pumped to the second excited level 5I6 of the Ho3+ ion using a laser diode at 1125 nm and ytterbium-holmium codoped fibers to the 2F5/2 level of the Yb3+ ion by a laser diode at 975 nm. Our results demonstrate that pumping ytterbium-holmium codoped fibers at 975 nm results in dramatic thermal effects, producing a temperature ncrement two orders higher than that observed in holmium doped fibers pumped with a 1125 nm laser diode.	es_ES
dc.description.sponsorship	Ministerio de Ciencia e Innovación	es_ES
dc.description.sponsorship	Generalitat Valenciana	es_ES
dc.description.sponsorship	Fondo Europeo de Desarrollo Regional (FEDER)	es
dc.language.iso	es	es_ES
dc.subject	whispering gallery modes	es_ES
dc.subject	holmium	es_ES
dc.subject	ytterbium	es_ES
dc.subject	doped fibers	es_ES
dc.subject	fiber characterization	es_ES
dc.subject	2 um fiber lasers	es_ES
dc.title	Application of WGM Resonances to the Measurement of the Temperature Increment of Ho and Ho-Yb Doped Optical Fibers Pumped at 1125 and 975 nm	es_ES
dc.type	journal article	es_ES
dc.subject.unesco	UNESCO::FÍSICA	es_ES
dc.identifier.doi	10.3390/s21062094	es_ES
dc.identifier.idgrec	145027
dc.accrualmethod	-	es_ES
dc.embargo.terms	0 days	es_ES
dc.relation.projectID	MINECO/ES/FPI program/BES-2014-068607
dc.relation.projectID	GVA/PROMETEO/2019/048
dc.relation.projectID	PID2019-104276RB-I00