RT Book, Section T1 Optoelectronic device for the measurement of the absolute linear position in the micrometric displacement range A1 Morlanes Calvo, Tomás A1 Peña, José Luis de la A1 Sánchez Brea, Luis Miguel A1 Alonso Fernández, José A1 Crespo Vázquez, Daniel A1 Saez Landete, José A1 Bernabeu Martínez, Eusebio A2 Badenes, Goncal A2 Abbott, Derek A2 Serpenguzel, Ali AB In this work, an optoelectronic device that provides the absolute position of a measurement element with respect to a pattern scale upon switch-on is presented. That means that there is not a need to perform any kind of transversal displacement after the startup of the system. The optoelectronic device is based on the process of light propagation passing through a slit. A light source with a definite size guarantees the relation of distances between the different elements that constitute our system and allows getting a particular optical intensity profile that can be measured by an electronic post-processing device providing the absolute location of the system with a resolution of 1 micron. The accuracy of this measuring device is restricted to the same limitations of any incremental position optical encoder. PB Society of Photo-Optical Instrumentation Engineers (SPIE) SN 0-8194-5835-X YR 2005 FD 2005 LK https://hdl.handle.net/20.500.14352/53384 UL https://hdl.handle.net/20.500.14352/53384 NO © (2005) SPIE--The International Society for Optical Engineering.Conference on Photonic Materials, Devices and Applications (2005. Sevilla, España) DS Docta Complutense RD 23 jul 2024