White light velocity interferometer

Details White light velocity interferometer White light velocity interferometer

1997-03-14

1999-06-08

Kim, Robert

Optics: measuring and testing

By particle light scattering

With photocell detection

356 285, 356358, G01B 902

Patent

active

059108398

ABSTRACT:
The invention is a technique that allows the use of broadband and incoherent illumination. Although denoted white light velocimetry, this principle can be applied to any wave phenomenon. For the first time, powerful, compact or inexpensive sources can be used for remote target velocimetry. These include flash and arc lamps, light from detonations, pulsed lasers, chirped frequency lasers, and lasers operating simultaneously in several wavelengths. The technique is demonstrated with white light from an incandescent source to measure a target moving at 16 m/s.

REFERENCES:
patent: 4915499 (1990-04-01), Gidon et al.
patent: 5642194 (1997-06-01), Erskine
Gidon et al., Multiple-line laser Doppler velocimetry, Jun. 1, 1988, vol. 27, No. 11, Applied Optics, pp. 2315-2319.

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