Multiphoton excitation of organic chromophores in microbubble resonators

Gregory A. Cohoon, Khanh Q Kieu, Robert A Norwood

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

Abstract

We report the observation of multiphoton excitation of organic chromophores in microbubble whispering gallery mode resonators. High-Q microbubble resonators are a formed by heating a pressurized fused silica capillary to form a hollow bubble which can be filled with liquid. In this case, the microbubble is filled with a solution of Rhodamine 6G dye. The resonator and dye are excited by evanescently coupling CW light from a 980nm laser diode using a tapered optical fiber. The two-photon fluorescence of the dye can be seen with pump powers as low as 1 mW.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
PublisherSPIE
Volume8960
ISBN (Print)9780819498731
DOIs
StatePublished - 2014
EventLaser Resonators, Microresonators, and Beam Control XVI - San Francisco, CA, United States
Duration: Feb 3 2014Feb 6 2014

Other

OtherLaser Resonators, Microresonators, and Beam Control XVI
CountryUnited States
CitySan Francisco, CA
Period2/3/142/6/14

Fingerprint

Chromophores
Dyes
Resonator
chromophores
Resonators
Coloring Agents
Excitation
dyes
resonators
excitation
Whispering Gallery Modes
Whispering gallery modes
Fused Silica
whispering gallery modes
Laser Diode
Fused silica
rhodamine
Bubbles (in fluids)
Fluorescence
Optical Fiber

Keywords

  • cavity enhanced non-linear optics
  • non-linear optics
  • two-photon fluorescence
  • WGM resonators

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Cohoon, G. A., Kieu, K. Q., & Norwood, R. A. (2014). Multiphoton excitation of organic chromophores in microbubble resonators. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 8960). [89600L] SPIE. https://doi.org/10.1117/12.2038053

Multiphoton excitation of organic chromophores in microbubble resonators. / Cohoon, Gregory A.; Kieu, Khanh Q; Norwood, Robert A.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8960 SPIE, 2014. 89600L.

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

Cohoon, GA, Kieu, KQ & Norwood, RA 2014, Multiphoton excitation of organic chromophores in microbubble resonators. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 8960, 89600L, SPIE, Laser Resonators, Microresonators, and Beam Control XVI, San Francisco, CA, United States, 2/3/14. https://doi.org/10.1117/12.2038053
Cohoon GA, Kieu KQ, Norwood RA. Multiphoton excitation of organic chromophores in microbubble resonators. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8960. SPIE. 2014. 89600L https://doi.org/10.1117/12.2038053
Cohoon, Gregory A. ; Kieu, Khanh Q ; Norwood, Robert A. / Multiphoton excitation of organic chromophores in microbubble resonators. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8960 SPIE, 2014.
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