3D scanning characteristics of an amorphous silicon position sensitive detector array system

被引：6
|
作者：
Contreras, Javier [1 ,3 ]
Gomes, Luis [2 ]
Filonovich, Sergej [1 ]
Correia, Nuno [1 ]
Fortunato, Elvira [1 ]
Martins, Rodrigo [1 ]
Ferreira, Isabel [1 ]
机构：
[1] Univ Nova Lisboa, Dept Ciencia Mat, ICENIMAT I3N, Fac Ciencias & Tecnol,FCT, P-2829516 Caparica, Portugal
[2] Univ Nova Lisboa, Dept Elect Engn, Fac Sci & Technol, P-2928516 Caparica, Portugal
[3] CTS UNINOVA, P-2928516 Caparica, Portugal
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 04期
关键词：
LASER TRIANGULATION; LINEAR-ARRAY; SOLAR-CELLS; PHOTODETECTOR; TRANSPARENT;
D O I：
10.1364/OE.20.004583
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The 3D scanning electro-optical characteristics of a data acquisition prototype system integrating a 32 linear array of 1D amorphous silicon position sensitive detectors (PSD) were analyzed. The system was mounted on a platform for imaging 3D objects using the triangulation principle with a sheet-of-light laser. New obtained results reveal a minimum possible gap or simulated defect detection of approximately 350 mu m. Furthermore, a first study of the angle for 3D scanning was also performed, allowing for a broad range of angles to be used in the process. The relationship between the scanning angle of the incident light onto the object and the image displacement distance on the sensor was determined for the first time in this system setup. Rendering of 3D object profiles was performed at a significantly higher number of frames than in the past and was possible for an incident light angle range of 15 degrees to 85 degrees. (C)2012 Optical Society of America
引用
收藏
页码：4583 / 4602
页数：20
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