Title :
Atmospheric formaldehyde monitoring in the greater Houston area
Author :
Chen, Jinhai ; So, Stephen ; Lee, Hoason ; Fraser, Matthew ; Curl, Robert F. ; Tittel, Frank K.
Author_Institution :
Dept. of Chem., Rice Univ., Houston, TX, USA
Abstract :
Formaldehyde in ambient air was detected during three periods from July 20-September 25, 2002 in the Houston Area. A laser spectrometer based on difference-frequency generation operating at 3.53 microns was used to quantify HCHO with a precision of 0.5 ppbV.
Keywords :
air pollution measurement; atmospheric chemistry; atmospheric optics; chemical variables measurement; measurement by laser beam; optical frequency conversion; organic compounds; spectrochemical analysis; 3.53 microns; Houston area; atmospheric formaldehyde monitoring; difference-frequency generation; laser spectrometer; Biomedical optical imaging; Diode lasers; Frequency conversion; Monitoring; Nonlinear optics; Optical microscopy; Optical sensors; Oxidation; Photochemistry; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics, 2003. CLEO '03. Conference on
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-748-2
