Observation of two-photon fluorescence for Rhodamine 6G in microbubble resonators

Gregory A. Cohoon; Khanh Kieu; Robert A. Norwood

doi:10.1364/OL.39.003098

Observation of two-photon fluorescence for Rhodamine 6G in microbubble resonators

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

Optical Sciences

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

We report an observation of multi-photon excitation of organic chromophores in microbubble whispering gallery mode resonators. High-Q microbubble resonators were formed by heating a pressurized fused silica capillary to form a hollow bubble that was then filled with liquid. In this work, the microbubble was filled with a solution of Rhodamine 6G dye. The resonator and dye were excited by evanescently coupling continuous wave (CW) light from a 980 nm laser diode using a tapered optical fiber. The two-photon fluorescence of the dye can be seen with pump powers as low as 700 μW.

Original language	English (US)
Pages (from-to)	3098-3101
Number of pages	4
Journal	Optics letters
Volume	39
Issue number	11
DOIs	https://doi.org/10.1364/OL.39.003098
State	Published - Jun 1 2014

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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abstract = "We report an observation of multi-photon excitation of organic chromophores in microbubble whispering gallery mode resonators. High-Q microbubble resonators were formed by heating a pressurized fused silica capillary to form a hollow bubble that was then filled with liquid. In this work, the microbubble was filled with a solution of Rhodamine 6G dye. The resonator and dye were excited by evanescently coupling continuous wave (CW) light from a 980 nm laser diode using a tapered optical fiber. The two-photon fluorescence of the dye can be seen with pump powers as low as 700 μW.",

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AU - Kieu, Khanh

AU - Norwood, Robert A.

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Y1 - 2014/6/1

N2 - We report an observation of multi-photon excitation of organic chromophores in microbubble whispering gallery mode resonators. High-Q microbubble resonators were formed by heating a pressurized fused silica capillary to form a hollow bubble that was then filled with liquid. In this work, the microbubble was filled with a solution of Rhodamine 6G dye. The resonator and dye were excited by evanescently coupling continuous wave (CW) light from a 980 nm laser diode using a tapered optical fiber. The two-photon fluorescence of the dye can be seen with pump powers as low as 700 μW.

AB - We report an observation of multi-photon excitation of organic chromophores in microbubble whispering gallery mode resonators. High-Q microbubble resonators were formed by heating a pressurized fused silica capillary to form a hollow bubble that was then filled with liquid. In this work, the microbubble was filled with a solution of Rhodamine 6G dye. The resonator and dye were excited by evanescently coupling continuous wave (CW) light from a 980 nm laser diode using a tapered optical fiber. The two-photon fluorescence of the dye can be seen with pump powers as low as 700 μW.

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Observation of two-photon fluorescence for Rhodamine 6G in microbubble resonators

Abstract

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