Title :
Precision spectroscopy of NH3 at 9.1 μm by a comb-referenced quantum cascade laser
Author :
Mills, A. ; Gatti, D. ; De Vizia, M.D. ; Hartl, I. ; Gianfrani, L. ; Fermann, M.E. ; Marangoni, M.
Author_Institution :
IMRA America Inc., Ann Arbor, MI, USA
Abstract :
Absorption spectroscopy of NH3 at 9.1 μm is demonstrated with a quantum-cascade-laser absolutely referenced to a Tm-fiber frequency-comb. Highly-accurate spectroscopic parameters are retrieved by a multiple-line fitting approach applied to the spectral manifold.
Keywords :
ammonia; infrared spectra; optical fibres; quantum cascade lasers; thulium; NH3; Tm-fiber frequency-comb; absorption spectroscopy; comb-referenced quantum cascade laser; multiple-line fitting approach; precision spectroscopy; wavelength 9.1 mum; Fiber nonlinear optics; Measurement by laser beam; Optical fibers; Quantum cascade lasers; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA