TY - JOUR
T1 - Amorphous Silicon Position Sensitive Detector Array for Fast 3-D Object Profiling
AU - Contreras, Javier
AU - Idzikowski, Marek
AU - Pereira, Sónia
AU - Filonovich, Sergej
AU - Fortunato, Elvira Maria Correia
AU - Martins, Rodrigo Ferrão de Paiva
AU - Ferreira, Isabel Maria Mercês
N1 - Ficou por inserir nas organizações, Carl von Ossietzky University Oldenburg por não se ter encontrado na lista
PY - 2012/1/1
Y1 - 2012/1/1
N2 - A 32/128 linear array of 1-D amorphous siliconposition sensitive detectors (PSD) was integrated into a self constructedsuitable and portable data acquisition prototype system.The system is comprised by a commercially available existingelectronics module suitable for photodiode data acquisition operationsand by another adapter module, which allows for removaland replacement of the 32/128 PSD based sensor. This system isapplied for imaging 3-D objects using the triangulation principlewith a sheet-of-light laser. The sensor array response obtainedfrom the reflected light of the object was fed into an electronicreadout system and the corresponding signals were analyzed usingthe relevant data algorithm. The obtained results show a sensornonlinearity of about 4%-7%, a wide sensor/system dynamicrange and a 3-D profile spatial resolution supplied by each sensorstrip of 339 μm, which can easily be reduced to 8.5 μm and evenfurther with appropriate software modifications.
AB - A 32/128 linear array of 1-D amorphous siliconposition sensitive detectors (PSD) was integrated into a self constructedsuitable and portable data acquisition prototype system.The system is comprised by a commercially available existingelectronics module suitable for photodiode data acquisition operationsand by another adapter module, which allows for removaland replacement of the 32/128 PSD based sensor. This system isapplied for imaging 3-D objects using the triangulation principlewith a sheet-of-light laser. The sensor array response obtainedfrom the reflected light of the object was fed into an electronicreadout system and the corresponding signals were analyzed usingthe relevant data algorithm. The obtained results show a sensornonlinearity of about 4%-7%, a wide sensor/system dynamicrange and a 3-D profile spatial resolution supplied by each sensorstrip of 339 μm, which can easily be reduced to 8.5 μm and evenfurther with appropriate software modifications.
KW - position sensitive detectors
KW - sheet-of-light range imaging
KW - Amorphous silicon
KW - machine vision
KW - Amorphous silicon
KW - machine vision
KW - position sensitive detectors
KW - sheet-of-light range imaging
UR - http://www.scopus.com/record/display.uri?eid=2-s2.0-84856854043&origin=resultslist&sort=plf-f&src=s&st1
U2 - 10.1109/JSEN.2011.2164398
DO - 10.1109/JSEN.2011.2164398
M3 - Article
VL - 12
SP - 812
EP - 820
JO - IEEE Sensors Journal
JF - IEEE Sensors Journal
SN - 1530-437X
IS - 4
ER -