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Titolo:
DERIVATIVES OF DISPLACEMENT OBTAINED BY DIRECT MANIPULATION OF PHASE-SHIFTED INTERFEROGRAMS
Autore:
FACCHINI M; ZANETTA P;
Indirizzi:
COMMISS EUROPEAN COMMUNITIES,JOINT RES CTR,INST SYST ENGN & INFORMAT,TP 680 I-21020 ISPRA ITALY
Titolo Testata:
Applied optics
fascicolo: 31, volume: 34, anno: 1995,
pagine: 7202 - 7206
SICI:
0003-6935(1995)34:31<7202:DODOBD>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
INTERFEROMETRY;
Keywords:
PHASE SHIFTING; INTERFEROMETRY; DERIVATIVES; UNWRAPPING;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
15
Recensione:
Indirizzi per estratti:
Citazione:
M. Facchini e P. Zanetta, "DERIVATIVES OF DISPLACEMENT OBTAINED BY DIRECT MANIPULATION OF PHASE-SHIFTED INTERFEROGRAMS", Applied optics, 34(31), 1995, pp. 7202-7206

Abstract

The maps of phase derivatives are extracted here by direct manipulation of phase-shifted interferograms. There are three main advantages: There is no need for prior phase evaluation or unwrapping procedures, acid only a short processing time is needed. By digital integration of the derivatives the absolute phase map can also be retrieved without unwrapping procedures. A general description of the method is presentedand discussed. For example, the proposed technique has been applied to the study of the deformation of a test object by the manipulation offour phase-shifted interferograms. (C) 1995 Optical Society of America.

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Documento generato il 04/04/20 alle ore 20:17:25