Title :
Laser velocimeter for the measurement of eye movements
Author :
Capelli, Giorgio ; Giuliani, Guido
Author_Institution :
Dept. of Electron., Univ. of Pavia, Pavia, Italy
Abstract :
A self-mixing velocimeter system is demonstrated for the contactless measurements of the tangential speed of a rough surface. This system can be applied to the analysis of the eye movements in a range of angular velocity from 0°/s to 500°/s, also allowing a discrimination of the rotation direction, with a relative maximum error of 10-20%.
Keywords :
angular measurement; biomedical measurement; eye; laser applications in medicine; velocimeters; contactless measurements; eye movement measurement; laser velocimeter; rotation direction discrimination; rough surface tangential speed; self mixing velocimeter system; Diode lasers; Frequency modulation; Measurement by laser beam; Optical interferometry; Semiconductor device measurement; Velocity measurement;
Conference_Titel :
BioPhotonics, 2011 International Workshop on
Conference_Location :
Parma
Print_ISBN :
978-1-4244-9836-9
Electronic_ISBN :
978-1-4244-9835-2
DOI :
10.1109/IWBP.2011.5954803
