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Titolo:
LOCAL CORRELATION OF LASER SPECKLE APPLIED TO THE STUDY OF SALT EFFLORESCENCE ON STONE SURFACES
Autore:
ZANETTA P; FACCHINI M;
Indirizzi:
COMMISS EUROPEAN COMMUNITIES,JOINT RES CTR,INST SYST ENGN & INFORMAT I-21020 ISPRA ITALY
Titolo Testata:
Optics communications
fascicolo: 1-3, volume: 104, anno: 1993,
pagine: 35 - 38
SICI:
0030-4018(1993)104:1-3<35:LCOLSA>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
9
Recensione:
Indirizzi per estratti:
Citazione:
P. Zanetta e M. Facchini, "LOCAL CORRELATION OF LASER SPECKLE APPLIED TO THE STUDY OF SALT EFFLORESCENCE ON STONE SURFACES", Optics communications, 104(1-3), 1993, pp. 35-38

Abstract

A local modification of a rough profile of a scattering surface produces a change in the corresponding part of its speckle image. This effect is employed to monitor the micro structural changes during ageing of a stone specimen by salt crystallisation cycles. A measure of local correlation is derived from the digital difference of speckle patterns. The 2D map of speckle correlation reveals interesting aspects of theefflorescence mechanism.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 10/04/20 alle ore 00:46:31