Tittel, F.Lancaster, D.Richter, D.Goldberg, L.Koplow, J.Fried, A.2010-08-232010-08-231999Proceedings from Application of Tunable Diode and Other Infrared Sources for Atmospheric Studies and Industrial Processing Monitoring II, SPIE - The International Society for Optical Engineering Vol. 3758, 2 (1999), held in Denver, CO, USA, 19 July 1999: pp.2-100277-786Xhttp://hdl.handle.net/2440/59986en©2003 COPYRIGHT SPIE--The International Society for Optical EngineeringCompact mid-infrared trace gas sensor based on difference frequency mixingConference paper003000111910.1117/12.36644965125