Abstract
This disclosure specifies a complete engineering blueprint for a solid-state, contactless microparticle transport, positioning, and tracking system utilizing an integrated asymmetric acoustic radiation pressure matrix and sub-wavelength photonic sensor array. Traditional microfluidic handling architectures rely on intrusive physical channels, mechanical actuators, or unmonitored acoustic standing waves, which restrict material handling dynamics to preset geometric nodes and introduce severe operational boundary friction.
Operating under a completely integrated hardware-software architecture, this system maps three-dimensional spatial translation onto an ambient fluidic medium or localized dense plasma wake. The physical actuation layer consists of a surface-mounted grid of Gallium Nitride (GaN) piezoelectric transducers operating in the high-frequency (HF) 10 MHz to 40 MHz spectrum. This transducer array is driven by a high-speed Spherical Harmonic Instruction Set Compiler running on a field-programmable gate array (FPGA), generating a non-linear, dynamic acoustic potential gradient based on Gor'kov potential physics.
To eliminate systemic signal mismatch and operational drift, the architecture nests a non-invasive tracking layer comprised of a sub-wavelength polarized optical laser probe array. This sensor layer monitors real-time changes in the local Group Velocity of Light caused by acoustic lattice deformations, generating an instantaneous digital phase-shift feedback loop. The FPGA uses this feedback loop to adjust driving coefficients in sub-microsecond intervals. The target matter consequently translates along an automated, software-defined coordinate trajectory across the fluid substrate with zero mechanical moving parts, eliminating structural cross-axis torques and wall friction while strictly adhering to momentum conservation and thermodynamic consistency.
Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.
Recommended Citation
Eckes, Christopher L., "Technical disclosure specification: spherical harmonic field modulation and acoustofluidic propagation manifolds with closed-loop sub-wavelength optical sensing feedback (rev4)", Technical Disclosure Commons, (July 28, 2026)
https://www.tdcommons.org/dpubs_series/11178