Development of Phase Shifting Device Using the Deflection of a Cantilever for Digital Holography

Abstract:

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Phase-shifting digital holography can be used for displacement measurement instead of strain gauge. Our research group is developing the measurement equipment for phase-shifting digital holography. Generally, in the measurement equipment, piezo stages are used as phaseshifting devices. But the piezo stage is expensive. Cheaper and smaller phase-shifting device is required in order to put the measurement equipment into practical use. In this paper, we, therefore, propose a phase-shifting device using the deflection of a cantilever and we verify whether this phase-shifting device can be usedfor digital holography.

Info:

Periodical:

Key Engineering Materials (Volumes 326-328)

Edited by:

Soon-Bok Lee and Yun-Jae Kim

Pages:

19-22

DOI:

10.4028/www.scientific.net/KEM.326-328.19

Citation:

H. Matsukawa, M. Fujigaki, T. Matui, Y. Morimoto, "Development of Phase Shifting Device Using the Deflection of a Cantilever for Digital Holography", Key Engineering Materials, Vols. 326-328, pp. 19-22, 2006

Online since:

December 2006

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Price:

$35.00

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