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Type: Artigo de periódico
Title: Speckle photo electromotive force in CdTe:V and CdTe:Ge for measurement of vibration with large amplitude
Author: dos Santos, TO
Frejlich, J
Launay, JC
Shcherbin, K
Abstract: The photo-electromotive force induced by a speckle pattern vibrating with large amplitude in photorefractive CdTe:V and CdTe:Ge is experimentally studied. This technique is shown to be suitable for transversal amplitude vibration measurement as well as for material response time and associated conductivity characterization. Experiments were carried out with 532 and 1064 nm wavelength illumination over a wide vibration frequency range. The results are in good agreement with a previously reported theoretical model. The studied doped crystals exhibit peculiar different features that are described and discussed.
Country: EUA
Editor: Springer
Rights: fechado
Identifier DOI: 10.1007/s00340-009-3437-8
Date Issue: 2009
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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