Title :
Improved sensitivity spontaneous raman scattering multi-gas sensor
Author :
Buric, Michael P. ; Chen, Kevin P. ; Falk, Joel ; Woodruff, Steven D.
Author_Institution :
Nat. Energy Technol. Lab., Morgantown, WV, USA
Abstract :
We report a backward-wave spontaneous-Raman multi-gas sensor employing a hollow-core photonic-bandgap-fiber to contain gasses and increase interaction length. Silica Raman noise and detection speed are reduced using a digital spatial filter and a cladding seal.
Keywords :
Raman spectra; fibre optic sensors; gas sensors; photonic band gap; spatial filters; Raman scattering multi-gas sensor; cladding seal; digital spatial filter; hollow-core photonic-bandgap-fiber; sensitivity improvement; Gas detectors; Gases; Optical filters; Optical noise; Optical pumping; Optical scattering; Optical sensors; Photonic band gap; Raman scattering; Silicon compounds; 060.5295 Photonic Crystal Fibers; 300.6450 Raman Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
