Lasing droplets in a microfluidic T-junction device with integrated optics

Melikhan Tanyeri, Richard Perron, Ian M. Kennedy

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Lasing from spherical microdroplets ejected into a liquid medium with lower refractive index is observed in a microchannel. A microfabricated device that combines the droplet production and excitation/detection has been utilized. Droplets of 50 μm-diameter containing a fluorescent dye were first detected and then excited through multimode fibers after their production at a T-junction. Images show intense lasing emission around the droplet rim. Spectra from the droplets exhibit morphology dependent resonances (MDRs) which are red shifted relative to the bulk fluorescence emission from the dyes. The dependence of resonant peak intensities on the pump beam power is nonlinear.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume6465
DOIs
StatePublished - 2007
EventMicrofluidics, BioMEMS, and Medical Microsystems V - San Jose, CA, United States
Duration: Jan 22 2007Jan 24 2007

Other

OtherMicrofluidics, BioMEMS, and Medical Microsystems V
CountryUnited States
CitySan Jose, CA
Period1/22/071/24/07

Fingerprint

Integrated optics
integrated optics
Microfluidics
lasing
dyes
microchannels
rims
Dyes
refractivity
pumps
fluorescence
Multimode fibers
fibers
liquids
Microchannels
excitation
Refractive index
Fluorescence
Pumps
Liquids

Keywords

  • Fluorescence
  • Lasing
  • MDRs
  • Microdroplet

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Tanyeri, M., Perron, R., & Kennedy, I. M. (2007). Lasing droplets in a microfluidic T-junction device with integrated optics. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 6465). [64650E] https://doi.org/10.1117/12.698200

Lasing droplets in a microfluidic T-junction device with integrated optics. / Tanyeri, Melikhan; Perron, Richard; Kennedy, Ian M.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6465 2007. 64650E.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tanyeri, M, Perron, R & Kennedy, IM 2007, Lasing droplets in a microfluidic T-junction device with integrated optics. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 6465, 64650E, Microfluidics, BioMEMS, and Medical Microsystems V, San Jose, CA, United States, 1/22/07. https://doi.org/10.1117/12.698200
Tanyeri M, Perron R, Kennedy IM. Lasing droplets in a microfluidic T-junction device with integrated optics. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6465. 2007. 64650E https://doi.org/10.1117/12.698200
Tanyeri, Melikhan ; Perron, Richard ; Kennedy, Ian M. / Lasing droplets in a microfluidic T-junction device with integrated optics. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6465 2007.
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