J. Roels, W. van der Tempel, D. Van Nieuwenhove, R. Grootjans, M. Kuijk, D. van Thourhout, R. Baets
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A dynamic subwavelength pitch grating modulator for continuous Time-Of-Flight ranging with optical mixing
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.