Double-pulse in-line Fraunhofer holography has been applied to the development of an aerosol spectrometer. The device, which has been applied to asbestos (crocidolite) dust, yields estimates of position, velocity, size, shape, and tumbling rate.
© 1980 Optical Society of America
E. I. LeBaron and E. A. Boettner, "Fiber motion analysis by two-pulse holography," Appl. Opt. 19, 891-894 (1980)