Optical actuation of micromechanical components

Autor:	D. R. Koehler
Rok vydání:	1997
Předmět:	Physics Photoelasticity Silicon Momentum transfer chemistry.chemical_element Statistical and Nonlinear Physics Mechanics Microstructure Atomic and Molecular Physics and Optics Classical mechanics chemistry Radiation pressure Attenuation coefficient Refractive index Excitation
Zdroj:	Journal of the Optical Society of America B. 14:2197
ISSN:	1520-8540 0740-3224
DOI:	10.1364/josab.14.002197
Popis:	Electromagnetic momentum is a fundamental physical concept that has been demonstrated experimentally and incorporated theoretically in various areas of physics. In spite of the weak character of the electromagnetic momentum transfer process, the combination of latter-day, high-energy laser light sources and microminiature mechanical elements suggested the possibility of optical excitation of these structures. One outcome of the present theoretical analysis is the prediction of an optopiezic effect wherein electromagnetic momentum causes a mechanical stress on a dielectric layer. If this is a valid prediction, such an optically induced, expansional pressure effect could be utilized as an extensional optical-to-mechanical transduction means.
Databáze:	OpenAIRE
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