Title :
Development of re-entrant Cavity Ring Down or multi-pass absorption spectroscopy for measurement of gas properties
Author :
Courtois, J. ; Mohamed, A. ; Romanini, D.
Author_Institution :
Office Nat. d´´Etudes et de Recherches Aerospatiales (ONERA), Palaiseau
Abstract :
We present two long-path absorption systems, one based on cavity ring down and another on a Herriott cell, both with a re-entrant configuration to enhance spectral resolution and setup easiness, to measure weak absorption coefficients.
Keywords :
absorption coefficients; gas sensors; optical sensors; Herriott cell; absorption coefficients; gas properties; long-path absorption systems; multipass absorption spectroscopy; reentrant cavity ringdown; spectral resolution; Absorption; Laser modes; Laser tuning; Mirrors; Optical resonators; Optical sensors; Resonance; Ring lasers; Spatial resolution; Spectroscopy; (280.2490) Flow diagnostics; (280.3420) Laser sensors;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9