Title :
Observation and measurement of molecular flow using stimulated Raman gain spectroscopy
Author :
Herring, G.C. ; Fairbank, W.M., Jr. ; She, C.Y.
Author_Institution :
Colorado State University, Fort Collins, CO, USA
fDate :
10/1/1981 12:00:00 AM
Abstract :
We report the observation and measurement of frequency shifts in stimulated Raman gain spectroscopy (SRGS) resulting from subsonic molecular nitrogen flows emerging from a simple nozzle. The flow velocity in the region of the measurement was determined to be 145 m/s with an accuracy of ±30 m/s. It is expected that significantly better flow-velocity resolution will be obtained in future experiments using inverse Raman scattering.
Keywords :
Flow measurement; Raman spectroscopy; Velocity measurement; Fluid flow measurement; Frequency; Gain measurement; Laser excitation; Laser modes; Probes; Pump lasers; Raman scattering; Spectroscopy; Velocity measurement;
Journal_Title :
Quantum Electronics, IEEE Journal of
DOI :
10.1109/JQE.1981.1070647
