Optics: measuring and testing – Velocity or velocity/height measuring – With light detector
Patent
1990-11-06
1992-05-05
Buczinski, Stephen C.
Optics: measuring and testing
Velocity or velocity/height measuring
With light detector
307426, 356 285, 356301, 356318, 359327, G01P 336
Patent
active
051102048
ABSTRACT:
First and second relatively high power laser beams are directed into a volume enclosing a flow field of molecules of a molecular species. The beams are focussed to form an overlapping region of the beams in the flow field, for tagging a portion of the associated molecules by driving them into their first vibrational state by stimulated Raman pumping. A high intensity beam of light is directed into the flow field proximate the overlap region for intercepting the tagged molecules, and causing them to fluoresce, thereby permitting their displacement to be measured through observation thereof, for determining the velocity of the associated molecules and flow field.
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Lempert Walter R.
Miles Richard B.
Buczinski Stephen C.
Trustees of Princeton University
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