Title :
A dynamic subwavelength pitch grating modulator for continuous Time-Of-Flight ranging with optical mixing
Author :
Roels, J. ; van der Tempel, W. ; Van Nieuwenhove, D. ; Grootjans, R. ; Kuijk, M. ; Van Thourhout, D. ; Baets, R.
Author_Institution :
Dept. of Inf. Technol. (INTEC), Ghent Univ. - IMEC, Ghent
Abstract :
Since continuous Time-Of-Flight ranging systems based on electrical mixing run into fundamental limits we designed an optical MEMS (de)modulator/mixer. With our dynamic (MHz range) subwavelength pitch diffraction grating we demonstrated TOF ranging with optical mixing.
Keywords :
demodulators; diffraction gratings; electro-optical modulation; micro-optomechanical devices; time of flight spectra; continuous time-of-flight ranging; dynamic subwavelength pitch grating modulator; electrical mixing; optical MEMS demodulator-mixer; optical mixing; Contacts; Diffraction gratings; Fiber lasers; Information technology; Optical buffering; Optical diffraction; Optical mixing; Optical modulation; Optical sensors; Phase modulation;
Conference_Titel :
Optical MEMs and Nanophotonics, 2008 IEEE/LEOS Internationall Conference on
Conference_Location :
Freiburg
Print_ISBN :
978-1-4244-1917-3
Electronic_ISBN :
978-1-4244-1918-0
DOI :
10.1109/OMEMS.2008.4607886
