Title :
UAV-based laser spectrometer to quantify methane from agricultural and petrochemical activities
Author :
Lei Tao ; Da Pan ; Golston, Levi ; Kang Sun ; Saripalli, Suman ; Zondlo, Mark A.
Author_Institution :
Dept. of Civil & Environ. Eng., Princeton Univ., Princeton, NJ, USA
Abstract :
A lightweight (1.8 kg) UAV-based methane sensor using a 3.27 μm GaSb DFB laser has been developed. Small UAVs can quantify very localized methane emissions but severely constrain sensor mass/volume while still requiring high-sensitivity detection.
Keywords :
III-V semiconductors; agriculture; atmospheric measuring apparatus; autonomous aerial vehicles; chemical sensors; distributed feedback lasers; gallium compounds; measurement by laser beam; optical sensors; petrochemicals; semiconductor lasers; spectrochemical analysis; GaSb; GaSb DFB laser; UAV-based laser spectrometer; UAV-based methane sensor; agricultural activities; high-sensitivity detection; localized methane emissions; mass 1.8 kg; petrochemical activities; sensor mass; sensor volume; wavelength 3.27 mum; Absorption; Frequency modulation; Optical sensors; Petrochemicals; Sensitivity; Water;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
