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Proceedings Paper

Control of a tiny dew droplet deposited on a copper plate by scattered laser light
Author(s): Shigeaki Matsumoto
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Paper Abstract

Tiny droplets deposited on a copper plate were controlled and measured by a developed control technique and by using a simplified optical apparatus, white light and laser light. The technique employs the proportional control combined with shifting movement by an integrator. The droplets were controlled constant for thirty minutes at the preset level of the intensity of scattered light in a control circuit. The droplets were almost a hemisphere form in initial condensation at room temperature and were few tens micrometers in diameter. The controlled mass of a dew droplet was obtained from the volume of its shape and was of the order of 10-8 g.

Paper Details

Date Published: 29 August 2008
PDF: 10 pages
Proc. SPIE 7065, Reflection, Scattering, and Diffraction from Surfaces, 70650L (29 August 2008); doi: 10.1117/12.794309
Show Author Affiliations
Shigeaki Matsumoto, Univ. of Industrial Technology (Japan)

Published in SPIE Proceedings Vol. 7065:
Reflection, Scattering, and Diffraction from Surfaces
Zu-Han Gu; Leonard M. Hanssen, Editor(s)

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