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Computational temporal ghost imaging based on complementary modulation
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Computational temporal ghost imaging based on complementary modulation
We report an experimental demonstration of temporal ghost imaging in which a digital micromirror device(DMD)and+1/-1 binary modulation have been combined to give an accurate reconstruction of a nonperiodic time object.Compared to the 0/1 modulation,the reconstruction signal can be improved greatly by+1/-1 binary modulation even with half of the measurements.Experimental results show that 0/1 binary temporal objects up to 4 kHz and sinusoidal time objects up to 1 kHz can be reconstructed by this method.The influences of modulation speed and array detector gray levels are also discussed.
temporal ghost imagingcomplementary modulation
李佳炜、张伟、刘雪峰、姚旭日
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Center for Quantum Technology Research and Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurements(MOE)School of Physics,Beijing Institute of Technology,Beijing 100081,China
Key Laboratory of Electronics and Information Technology for Space Systems,National Space Science Center,Chinese Academy of Sciences,Beijing 100190,China
University of Chinese Academy of Sciences,Beijing 100049,China
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