Armstrong, I. and Johnstone, W. and Duffin, K. and Lengden, Michael and Chakraborty, Arup Lal and Ruxton, Keith C. (2010) Detection of CH4 in the mid-IR using difference frequency generation with tunable diode laser spectroscopy. Journal of Lightwave Technology, 28 (10). pp. 1435-1442. ISSN 0733-8724Full text not available in this repository. (Request a copy from the Strathclyde author)
This paper demonstrates detection of methane using tunable diode laser spectroscopy (TDLS) through difference frequency generation (DFG) in order to address fundamental rotational-vibrational absorption lines, located around 3404 nm. Direct detection confirms that wavelength referencing of recovered lineshapes, developed for Near infra-red (Near-IR) systems, has been successfully transferred to the presented Middle infra-red (Mid-IR) system. Traditional 1f and 2f TDLS with WMS detection regimes are also functionally confirmed analogous to their Near-IR equivalents.
|Keywords:||carbon compounds, chemical variables measurement, measurement by laser beam, optical harmonic generation, Electrical engineering. Electronics Nuclear engineering, Atomic and Molecular Physics, and Optics|
|Subjects:||Technology > Electrical engineering. Electronics Nuclear engineering|
|Department:||Faculty of Engineering > Electronic and Electrical Engineering|
|Depositing user:||Strathprints Administrator|
|Date Deposited:||16 Jun 2010 14:12|
|Last modified:||27 Apr 2016 14:00|