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Endoscopic Pulsed Digital Holography for 3D Measurements
FERNANDO MENDOZA SANTOYO
TONATIUH SAUCEDO ANAYA
MANUEL HUMBERTO DE LA TORRE IBARRA
Acceso Abierto
Atribución-NoComercial-SinDerivadas
A rigid endoscope and three different object illumination source positions are used in pulsed digital holography to measure the three orthogonal displacement components from hidden areas of a harmonically vibrating metallic cylinder. In order to obtain simultaneous 3D information from the optical set up, it is necessary to match the optical paths of each of the reference object beam pairs, but to incoherently mismatch the three reference object beam pairs, such that three pulsed digital holograms are incoherently recorded within a single frame of the CCD sensor. The phase difference is obtained using the Fourier method and by subtracting two digital holograms captured for two different object positions.
20-02-2006
Artículo
CIENCIAS FÍSICO MATEMÁTICAS Y CIENCIAS DE LA TIERRA
Aparece en las colecciones: Artículos arbitrados 2006

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