Stimulated Raman Scattering (SRS)
Principle of Method: Flow Velocity, Pressure, and Translational Temperature from Simultaneous SRGS Forward & Backward Raman Line Shapes

Top-View Schematic of SRGS at Unitary Plan Wind Tunnel (UPWT):
A Variable-Nozzle Supersonic Facility

Comparison of Nonintrusive SRGS Free-Stream Measurements
(1-cm Resolution) with Pitot Calibration at UPWT

Vertical Line of Measured Flow Parameters Thru Center Core of Supersonic Vortex

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