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Conferences > CLEO_SI > 2012 > CW1J > CW1J.2

Comb-assisted Swept Laser Spectroscopy with a Mode-Hop-Free Tunable External Cavity QCL

Kevin Knabe, Fabrizio R. Giorgetta, Chris M. Armacost, Michael B. Radunsky, Sam Crivello, Timothy Day, Paul A. Williams, and Nathan R. Newbury

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Abstract

We demonstrate sub-MHz spectral resolution of N2O absorption spectra acquired with a swept external-cavity quantum cascade laser (QCL) over 0.87 THz. The QCL frequency is monitored by sum-frequency generation with an optical fiber frequency comb.

© 2012 Optical Society of America

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