Publication:
Probing of ultrahigh optical Q-factors of individual liquid microdroplets on superhydrophobic surfaces using tapered optical fiber waveguides

dc.contributor.coauthorMestre, Michael
dc.contributor.departmentDepartment of Physics
dc.contributor.departmentGraduate School of Sciences and Engineering
dc.contributor.kuauthorJonas, Alexandr
dc.contributor.kuauthorKaradağ, Yasin
dc.contributor.kuauthorKiraz, Alper
dc.contributor.schoolcollegeinstituteCollege of Sciences
dc.contributor.schoolcollegeinstituteGRADUATE SCHOOL OF SCIENCES AND ENGINEERING
dc.date.accessioned2024-11-09T13:19:34Z
dc.date.issued2012
dc.description.abstractWe report measurements of ultrahigh quality factors (Q-factors) of the optical whispering-gallery modes excited via a tapered optical-fiber waveguide in single glycerol-water microdroplets standing on a superhydrophobic surface in air. Owing to the high contact angle of the glycerol-water mixture on the superhydrophobic surface (>155 degrees), microdroplets with the geometry of a truncated sphere minimally distorted by gravity and contact line pinning effects could be generated. Q-factors up to 2.3 x 10(6) were observed for such droplets with radii of 100-200 mu m exposed to the ambient atmosphere in a closed chamber with controlled relative humidity. Placement of microdroplets in a constant humidity environment permitted prolonged characterization of Q-factors for individual microdroplets. We found that the Q-factors in air were stable over more than 1 h and their measured values were limited mostly by the thermally induced droplet shape fluctuations.
dc.description.fulltextYES
dc.description.indexedbyWOS
dc.description.indexedbyScopus
dc.description.issue12
dc.description.openaccessYES
dc.description.publisherscopeInternational
dc.description.sponsoredbyTubitakEuEU - TÜBİTAK
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TÜBİTAK)
dc.description.sponsorshipEuropean Commission Marie Curie IEF
dc.description.sponsorshipAlexander von Humboldt Foundation
dc.description.sponsorshipFABED Young Investigator Research Award
dc.description.versionPublisher version
dc.description.volume29
dc.identifier.embargoNO
dc.identifier.filenameinventorynoIR00070
dc.identifier.issn0740-3224
dc.identifier.quartileN/A
dc.identifier.urihttps://hdl.handle.net/20.500.14288/3134
dc.identifier.wos311990300005
dc.keywordsStimulated raman-scattering
dc.keywordsMorphology-dependent resonances
dc.keywordsWater microdroplets
dc.keywordsAerosol-particle
dc.keywordsLasing droplets
dc.keywordsPhoton
dc.keywordsLifetime
dc.keywordsEnergy-transfer
dc.language.isoeng
dc.publisherOptical Society of America (OSA)
dc.relation.grantno109T734
dc.relation.grantnoPIEF-GA-2009-252579
dc.relation.ispartofJournal of the Optical Society of America B - Optical Physics
dc.relation.urihttp://cdm21054.contentdm.oclc.org/cdm/ref/collection/IR/id/1102
dc.subjectOptics
dc.titleProbing of ultrahigh optical Q-factors of individual liquid microdroplets on superhydrophobic surfaces using tapered optical fiber waveguides
dc.typeJournal Article
dspace.entity.typePublication
local.contributor.kuauthorJonas, Alexandr
local.contributor.kuauthorKaradağ, Yasin
local.contributor.kuauthorKiraz, Alper
local.publication.orgunit1College of Sciences
local.publication.orgunit1GRADUATE SCHOOL OF SCIENCES AND ENGINEERING
local.publication.orgunit2Department of Physics
local.publication.orgunit2Graduate School of Sciences and Engineering
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