Lasing droplets in a microfabricated channel

Melikhan Tanyeri, Richard Perron, Ian M. Kennedy

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

Lasing from spherical microdroplets ejected into a liquid medium with a lower refractive index is observed in a microchannel. A microfabricated device that combines 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 that 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)
Pages (from-to)2529-2531
Number of pages3
JournalOptics Letters
Volume32
Issue number17
DOIs
StatePublished - Sep 1 2007

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lasing
dyes
microchannels
rims
refractivity
pumps
fluorescence
fibers
liquids
excitation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Tanyeri, M., Perron, R., & Kennedy, I. M. (2007). Lasing droplets in a microfabricated channel. Optics Letters, 32(17), 2529-2531. https://doi.org/10.1364/OL.32.002529

Lasing droplets in a microfabricated channel. / Tanyeri, Melikhan; Perron, Richard; Kennedy, Ian M.

In: Optics Letters, Vol. 32, No. 17, 01.09.2007, p. 2529-2531.

Research output: Contribution to journalArticle

Tanyeri, M, Perron, R & Kennedy, IM 2007, 'Lasing droplets in a microfabricated channel', Optics Letters, vol. 32, no. 17, pp. 2529-2531. https://doi.org/10.1364/OL.32.002529
Tanyeri M, Perron R, Kennedy IM. Lasing droplets in a microfabricated channel. Optics Letters. 2007 Sep 1;32(17):2529-2531. https://doi.org/10.1364/OL.32.002529
Tanyeri, Melikhan ; Perron, Richard ; Kennedy, Ian M. / Lasing droplets in a microfabricated channel. In: Optics Letters. 2007 ; Vol. 32, No. 17. pp. 2529-2531.
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