Webmaster N. Picqué
(Latest update: 26/11/2005)
Lasers & Fourier transform spectroscopy.


Research:
Mid-infrared intracavity laser absorption spectroscopy



Gallery: Pictures of the ICLAS-TRFTS experiments with Cr2+ZnSe et Cr2+ZnS lasers,
November 2005
Collaboration: Irina T. Sorokina, Evgeni Sorokin, Technical University, Vienna, Austria
Laser sous vide

Experimental set-up for ICLAS in the mid-infrared.
The laser is evacuated  (secondary vacuum) to get rid of atmospheric absorption

Laser Cr2+Znse
 Cr2+ZnSe tunable broadband laser for intracavity spectroscopy at 2500 nm
cr2+zns pompé par diode

Diode-pumped Cr2+ZnS laser in its vacuum chamber		 Experience ICLAS infrarouge moyen

Overview of the laser set-up with the vacuum chamber


Picqué Sorokina Sorokin
Nathalie Picqué, Irina T. Sorokina, Evgeni Sorokin
(November 2005)
 Sorokina Sorokin Guelachvili
Irina T. Sorokina, Evgeni Sorokin, Guy Guelachvili
(November 2005)
Guelachvili Sorokin Jacquemet
Guy Guelachvili, Evgeni Sorokin, Mathieu Jacquemet (November 2005)
More info may be found in:

Time-resolved Fourier transform intracavity spectroscopy with a Cr2+:ZnSe laser
N. Picqué, F. Gueye, G. Guelachvili, E. Sorokin, I.T. Sorokina,
Optics Letters 30, 24, 2005.

Acetylene weak bands at 2.5 µm from intracavity Cr2+ZnSe laser absorption observed with time-resolved Fourier transform spectroscopy.
Véronique Girard, Robert Farrenq, Evgeni Sorokin, Irina T. Sorokina, Guy Guelachvili  and Nathalie Picqué
Submitted for publication, 2005.

Mid-infrared time-resolved Fourier transform intracavity Cr2+:ZnSe laser absorption spectroscopy: application to CH4, C2H2, CO2, N2O.
N. Picqué, F. Gueye, H. Herbin, V. Girard, R. Farrenq, G. Guelachvili, E. Sorokin, I.T. Sorokina,
Actes du VII th Atmospheric Spectroscopy Applications meeting, 141-144 (2005).

Mid-IR high-resolution intracavity Cr2+:ZnSe laser-based spectrometer,
E. Sorokin, I.T. Sorokina, N. Picqué, F. Gueye and G. Guelachvili,
Advanced Solid-State Photonics Topical Meeting on CD-ROM (The Optical Society of America, Washington, DC, 2005), paper FMD3, 3 pages (2005).

High resolution intracavity laser absorption time-resolved Fourier spectroscopy extended to 2.5 µm
N. Picqué, F. Gueye, G. Guelachvili, E. Sorokin, I.T. Sorokina, V. Dana, J.-Y. Mandin,
Fourier Transform Spectroscopy/Hyperspectral Imaging and Sounding of the Environment Topical Meetings on CD-ROM (The Optical Society of America, Washington, DC, 2005), paper FTuD4, 3 pages (2005).