DocumentCode
1057218
Title
Photonic Demodulator With Sensitivity Control
Author
Van Nieuwenhove, Daniël ; Van der Tempel, Ward ; Grootjans, Riemer ; Stiens, Johan ; Kuijk, Maarten
Author_Institution
Electron. & Informatics Dept., Vrije Univ. Brussel, Brussels
Volume
7
Issue
3
fYear
2007
fDate
3/1/2007 12:00:00 AM
Firstpage
317
Lastpage
318
Abstract
A current assisted photonic demodulator for use as a pixel in a 3-D time-of-flight imager shows nearly 100% static demodulator contrast and is operable beyond 30 MHz. An integrated tunable sensitivity control is also presented for increasing the distance measurement range and avoiding unwanted saturation during integration periods. This is achieved by application of a voltage on a dedicated drain tap showing a quenching of sensor sensitivity to below 1%
Keywords
cameras; demodulators; image sensors; optical modulation; 3D camera; 3D time-of-flight imager; distance measurement; photonic demodulator; sensitivity control; sensor sensitivity; static demodulator contrast; Acceleration; Cameras; Charge carrier processes; Demodulation; Distance measurement; Electrons; Informatics; Optical control; Pixel; Voltage; 3-D camera; Photonic demodulator; range finding; time-of-flight (TOF);
fLanguage
English
Journal_Title
Sensors Journal, IEEE
Publisher
ieee
ISSN
1530-437X
Type
jour
DOI
10.1109/JSEN.2006.890164
Filename
4077844
Link To Document