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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 10 — May. 15, 2013
  • pp: 1669–1671

Dye lasing in optically manipulated liquid aerosols

Y. Karadag, M. Aas, A. Jonáš, S. Anand, D. McGloin, and A. Kiraz  »View Author Affiliations


Optics Letters, Vol. 38, Issue 10, pp. 1669-1671 (2013)
http://dx.doi.org/10.1364/OL.38.001669


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Abstract

We report lasing in airborne, rhodamine B-doped glycerol–water droplets with diameters ranging between 7.7 and 11.0 μm, which were localized using optical tweezers. While being trapped near the focal point of an infrared laser, the droplets were pumped with a Q-switched green laser. Our experiments revealed nonlinear dependence of the intensity of the droplet whispering gallery modes (WGMs) on the pump laser fluence, indicating dye lasing. The average wavelength of the lasing WGMs could be tuned between 600 and 630 nm by changing the droplet size. These results may lead to new ways of probing airborne particles, exploiting the high sensitivity of stimulated emission to small perturbations in the droplet laser cavity and the gain medium.

© 2013 Optical Society of America

OCIS Codes
(010.1110) Atmospheric and oceanic optics : Aerosols
(140.2050) Lasers and laser optics : Dye lasers
(300.2530) Spectroscopy : Fluorescence, laser-induced
(140.3945) Lasers and laser optics : Microcavities
(350.4855) Other areas of optics : Optical tweezers or optical manipulation

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 11, 2013
Revised Manuscript: April 5, 2013
Manuscript Accepted: April 5, 2013
Published: May 10, 2013

Virtual Issues
Vol. 8, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Y. Karadag, M. Aas, A. Jonáš, S. Anand, D. McGloin, and A. Kiraz, "Dye lasing in optically manipulated liquid aerosols," Opt. Lett. 38, 1669-1671 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-10-1669

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