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We describe several techniques for phase-shifting digital holography based on single-pixel detection and microstructured illumination. In particular, we present a high-speed holographic system based on a Mach-Zehnder interferometer that uses a digital micromirror device (DMD) to sample the object with a sequence of phase patterns. The DMD is also used for phase shifting and for wavefront correction...
A smart illumination system (ILSys) to study the growth process of green plants was developed. This system can control commercial LED lamps that can be turned on to emit continuous or pulsed light. ILSys was applied to determine the effect of pulsed light on the fluorescence emission in tomato plants (Lycopersicon esculentum). The fluorescence emission was measured when the plants were radiated with...
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