Demonstrates wireless actuation and optical control for multi degree of freedom motion in diamagnetic platforms, indicating potential for microfluidic applications.
This work presents a wireless, modular actuation system based on diamagnetic levitation coupled with laser-based optical control to achieve multi Degree of Freedom (DOF) motion. The platform leverages passive levitation for frictionless motion without mechanical contact or embedded electronics. We demonstrate both discrete and continuous actuation modes across 6 DOFs, and introduce three complementary configurations: a single levitated actuator for planar motion, a dual-actuated structure for vertical displacement, and a parallel architecture capable of full 6 DOF manipulation. These systems are fabricated using two-photon polymerization and operate in complete wireless coordination within a compact environment. The proposed system offers a clean, scalable, and energy-efficient alternative to traditional positioning technologies, with strong potential for integration into microfluidic automation, biomedical testing, and lab-on-chip platforms.
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Nasr et al. (2025) studied this question.
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