Abstract
A novel compressive holographic 3D imaging method based on single in-line hologram and superconducting nanowire single-photon detector (SNSPD) is proposed. It utilizes the Mach–Zehnder interferometer to form just one-only in-line 3D hologram on CCD plane, and then apply compressive sensing (CS) approach to perform the 3D hologram acquisition process with a digital micro-mirror device array (DMD) placed in the CCD plane and a SNSPD. Once the 3D object measurements sensed by a SNSPD is got via compressive sampling with DMD in the pure optical domain, original 3D object can be reconstructed numerically via certain signal recovery algorithms of CS and digital holography. Computer simulations demonstrated the feasibility and the efficiency of the method. This method is supposed to break through the limitation of array imaging based on the superconductor diode and large measurements in compressive holographic imaging based on the multi-step phase-shifting digital holography.
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