Speed limitations of optical switching using a piezoelectric transducer
Date
1994
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Texas A&M University
Abstract
Optical switching in interferometers using piezoelectric elements is investigated. Complete switching requires that the piezoelectric element induce enough mechanical motion to produce a 7r-radian phase shift in one arm of the interferometer. The mechanical motion results from a dimensional change in the piezoelectric material in response to an applied voltage. A finite element model is used to predict the response speed of the piezoelectric element. Predictions that sub-micro second switching is possible are confirmed by experiments using a Michelson interferometer.
Description
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Includes bibliographical references.
Includes bibliographical references.
Keywords
electrical engineering., Major electrical engineering.