Holographic Microvelocimeter For Use In Studying Ocean Particle Dynamics
- 1 October 1979
- journal article
- Published by SPIE-Intl Soc Optical Eng in Optical Engineering
- Vol. 18 (5) , 185524
- https://doi.org/10.1117/12.7972423
Abstract
Laboratory measurements were made of the sizes, shapes, and settling speeds of microscopic ocean-type particles by recording sequential transmission holograms of clay aggregates and glass shot in a settling chamber. Density values for particles that were approximate spheroids were determined using a modified Stokes settling equation. The successful application to this problem of inexpensive, off-the-shelf components and low power, HeNe lasers improves the feasibility of remote, in situ measurements of ocean particle settling dynamics.Keywords
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