Published 2009
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Observation of whispering gallery modes in the mid-infrared with a quantum cascade laser: possible applications to nanoliter chemical sensing
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Abstract
Excitation of the whispering gallery modes (WGM) of a CaF_2 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.
Additional Information
© 2008 SPIE. We gratefully acknowledge the helpful discussions on WGMs with Dr. Ivan Grudinin, and on slot waveguide and optofluidic structures with Dr. Zhenyu Li. Further sensing research using broadband WGMs based on fluorite crystals are being carried out at our center.Attached Files
Published - Wu2009p12869Adaptive_Optics_Systems_Pts_1-3.pdf
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Wu2009p12869Adaptive_Optics_Systems_Pts_1-3.pdf
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- 22824
- Resolver ID
- CaltechAUTHORS:20110311-093534372
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2011-03-11Created from EPrint's datestamp field
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2021-11-09Created from EPrint's last_modified field
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- Proceedings of SPIE
- Series Volume or Issue Number
- 7222