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Continuous Time-of-Flight Ranging Using a MEMS Diffractive Subwavelength Period Grating (de)Modulator This publication appears in: IEEE Photonics Technology Letters Authors: J. Roels, W. van der Tempel, D. Van Nieuwenhove, R. Grootjans, M. Kuijk, D. Van Thourhout and R. Baets Volume: 20 Issue: 21-24 Pages: 1827-1829 Publication Date: Nov. 2008
Abstract: We present a time-of-flight (TOF) ranging experiment based on optical mixing. The key component in this experiment is the optical (de)modulator. Consequently we also report on the design, fabrication, and characterization of a microelectromechanical system diffractive grating (de)modulator with a subwavelength period. The obtained results are an important step toward an optical mixing based TOF 3-D imaging system, which we will further develop in our future work
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