Single-Pixel Compressive Digital Holographic Encryption System Based on Circular Harmonic Key and Parallel Phase Shifting Digital Holography

<div>Schematic setup of PPSDH and single-pixel compressive imaging for encryption and decryption. SF: spatial filtering, L: collimation lens, PBS: polarizing beam splitter, HWP: half wave plate, M: mirror, RPM: random phase mask, PSLM: phase-only spatial light modulator, BS: beam splitter, DMD: digital micromirror device.</div>

International Journal of Optics

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Figure 2: Single-Pixel Compressive Digital Holographic Encryption System Based on Circular Harmonic Key and Parallel Phase Shifting Digital Holography 

Figure 2 | Single-Pixel Compressive Digital Holographic Encryption System Based on Circular Harmonic Key and Parallel Phase Shifting Digital Holography 