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Proceedings Paper

Observation of whispering gallery modes in the mid-infrared with a quantum cascade laser: possible applications to nanoliter chemical sensing
Author(s): Sheng Wu; Andrei Deev
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Paper Abstract

Excitation of the whispering gallery modes (WGM) of a CaF2 ball resonator is demonstrated at 4.5 micron with a pulsed Quantum Cascade laser. A prism coupling scheme for mid-infrared is described. Future applications of WGM resonators as hyphenated inline chromatography sensors are discussed.

Paper Details

Date Published: 26 January 2009
PDF: 10 pages
Proc. SPIE 7222, Quantum Sensing and Nanophotonic Devices VI, 72220F (26 January 2009); doi: 10.1117/12.817879
Show Author Affiliations
Sheng Wu, California Institute of Technology (United States)
Andrei Deev, California Institute of Technology (United States)

Published in SPIE Proceedings Vol. 7222:
Quantum Sensing and Nanophotonic Devices VI
Manijeh Razeghi; Rengarajan Sudharsanan; Gail J. Brown, Editor(s)

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