Theoretical study demonstrates 3D digital holographic reconstruction of microparticles suspended in levitated diamagnetic droplets, highlighting a contact-free platform for aqueous micro-analysis.
The theoretical study addresses the three-dimensional characterization of micrometric particles suspended in diamagnetic droplets, presenting a platform that combines digital holography and magneto-gravitational trapping to analyze particles between 1.5 μm and 6.0 μm directly within their aqueous environment. The equilibrium conditions of the droplet and the role of magnetic, gravitational, and capillary parameters governing the stability of the system are described, and integrated with the optical requirements needed to achieve high-resolution reconstructions.
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Sofia Biscotti (2026) studied this question.
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