Title : 
Open path chirped laser dispersion spectroscopy of methane plume
         
        
            Author : 
Daghestani, Nart S. ; Brownsword, Richard ; Weidmann, Damien
         
        
            Author_Institution : 
Space Sci. & Technol. Dept., Rutherford Appleton Lab., Didcot, UK
         
        
        
        
        
        
            Abstract : 
A molecular detection method based on laser dispersion spectroscopy has been implemented to detect methane concentrations with an open-path configuration and using transitions from the ν4 band. Preliminary results on transient seeps are presented.
         
        
            Keywords : 
chemical sensors; infrared spectroscopy; measurement by laser beam; organic compounds; ultraviolet spectroscopy; visible spectroscopy; ν4 band; methane concentrations; methane plume; molecular detection method; open path chirped laser dispersion spectroscopy; open-path configuration; transient seeps; Atmospheric measurements; Chirp; Dispersion; Laser beams; Quantum cascade lasers; Sensitivity; Spectroscopy;
         
        
        
        
            Conference_Titel : 
Lasers and Electro-Optics (CLEO), 2014 Conference on
         
        
            Conference_Location : 
San Jose, CA