2000
DOI: 10.1016/s0030-4018(99)00523-4
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Active phase stabilisation in electronic speckle pattern interferometry without additional optical components

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Cited by 6 publications
(3 citation statements)
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“…Great attention is paid to processing of the speckle interferograms in works [6][7][8][9][10][11]. Various methods based on Fourier and wavelet transformations, creating of virtual speckle pictures, statistical image processing techniques have been offered to decode the speckle interferograms that can improve the quality of the interferogram processing.…”
Section: Introductionmentioning
confidence: 99%
“…Great attention is paid to processing of the speckle interferograms in works [6][7][8][9][10][11]. Various methods based on Fourier and wavelet transformations, creating of virtual speckle pictures, statistical image processing techniques have been offered to decode the speckle interferograms that can improve the quality of the interferogram processing.…”
Section: Introductionmentioning
confidence: 99%
“…In order to minimize fringe movement one can implement a feedback system that detects the phase of the fringe pattern and actuates a phaseshifting device in the path of one of the interfering beams. 1 Such fringe lockers have been used for decades and typically limit fringe drift to Ϯ1/20th of a fringe period p. 2 A number of phase-modulation techniques [3][4][5][6] have improved on different aspects of phase control for specific applications in the past.…”
Section: Introductionmentioning
confidence: 99%
“…Para a formação de um nanocompósito é necessário que os aglomerados sejam quebrados até uma escala de partículas individuais, formando estruturas intercaladas ou esfoliadas, distribuídas homogeneamente ao longo do material, o que é esperado a fim de alcançar melhora nas propriedades dos materiais. Aglomerados de lamelas não separadas após a introdução no polímero são chamados de tactóides(Fornes et al,2003) Brozeit (2000),. essa mudança de intensidade está relacionada ao deslocamento.A base de comparação das franjas associada ao campo de deslocamento é originada pela superposição óptica de dois padrões de "speckle" distintos (por exemplo: objeto em repouso e objeto deformado), que interferem entre si e dão origem a um novo padrão de "speckle".…”
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