Laser fluorescence velocimeter

Details Laser fluorescence velocimeter Laser fluorescence velocimeter

1986-10-28

1989-02-28

Buczinski, Stephen C.

Optics: measuring and testing

Velocity or velocity/height measuring

With light detector

2503561, 250361R, 250362, 250573, 356349, G01P 336, G01B 902, G01T 120

Patent

active

048079901

ABSTRACT:
A method and apparatus are disclosed for measuring a velocity component of a moving fluid. Coherent light at two different wavelengths is directed into the moving fluid to create a space-and-time modulated optical field within a sample volume and to cause a chemical component of the moving fluid to fluoresce. Measurement of temporal and/or spatial characteristics of the resulting fluorescence is employed to determine the velocity component of the moving field.

REFERENCES:
patent: 3915572 (1975-10-01), Orloff
patent: 4351709 (1982-09-01), Goetz
patent: 4373807 (1983-02-01), Gouesbet
patent: 4483614 (1984-11-01), Rogers
patent: 4506979 (1985-03-01), Rogers
patent: 4575238 (1986-03-01), Knuhtsen et al.
Stevenson et al., "A Laser Velocimeter Utilizing Laser-Induced Fluorescence," Applied Physics Letters, vol. 27, No. 7, Oct. 1, '75, pp. 395-396.
Greated et al., "Frequency Shift Laser Techniques for Measuring Water and Wind Velocities," Electro-Optics/Laser International '76 UK, Mar. 9-11, '76, pp. 153-156.

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