Title :
Airborne Difference Frequency Spectrometer for Ultra Sensitive Formaldehyde Measurements
Author :
Weibring, Petter ; Richter, Dirk ; Walega, James G. ; Fried, Alan
Author_Institution :
Earth Observing Lab., Boulder
Abstract :
An airborne, difference-frequency generation mid-IR spectrometer for ultra sensitive measurements of formaldehyde at 3.5 mum is described. The system performance is assessed during three airborne field missions, yielding sensitivities of ~20 pptv (absorbance ~7*10-7).
Keywords :
atmospheric chemistry; atmospheric techniques; infrared spectrometers; airborne difference frequency spectrometer; mid-IR spectrometer; ultra sensitive formaldehyde measurements; Aircraft; Atmospheric measurements; Beam steering; Frequency conversion; Frequency measurement; Instruments; Laboratories; Nonlinear optics; Optical wavelength conversion; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4452380
