INVESTIGADORES
PEREZ QUINTIAN Luis fernando
artículos
Título:
Linear displacement measurement using a grating and speckle pattern illumination
Autor/es:
LUTENBERG, ARIEL; PEREZ QUINTIAN, FERNANDO; REBOLLO, MARÍA A.
Revista:
APPLIED OPTICS
Referencias:
Año: 2006 vol. 45 p. 4821 - 4825
ISSN:
0003-6935
Resumen:
We present a study of the variations of a speckle pattern passing through a grating that can be displaced.This study is described theoretically by a simple model based on the scalar diffraction theory in theFresnel zone. The intensity correlation of the modified speckle as a function of the grating displacementis obtained and compared with experimental results. The possibilities of metrological applications inoptical encoders are suggested.
