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Comb-assisted swept laser spectroscopy with a mode-hop free tunable external cavity QCL

Published

Author(s)

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

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.
Proceedings Title
CLEO 2012, the Conference on Lasers and Electro-Optics
Conference Dates
May 6-11, 2012
Conference Location
San Jose, CA, US

Keywords

comb-assisted spectroscopy, mid-infrared, optical frequency comb, N2O, quantum cascade laser frequency metrology

Citation

Knabe, K. , Giorgetta, F. , Newbury, N. , Armacost, C. , Radunsky, M. , Crivello, S. , Day, T. and Williams, P. (2012), Comb-assisted swept laser spectroscopy with a mode-hop free tunable external cavity QCL, CLEO 2012, the Conference on Lasers and Electro-Optics, San Jose, CA, US (Accessed April 14, 2024)
Created April 30, 2012, Updated October 12, 2021