MUMBAI, India, Aug. 17 -- Intellectual Property India has published a patent application (202641096809 A) filed by Aditya Institute Of Technology And Management; G. Swathi; A. Arjunarao; P. Harita; K. Ravi Kumar; P. Suresh Patnaik; N. Nageswara Rao; T. Gunavardhana Naidu; Santhosh Kumar Alla; and S. Hariprasad on August 11, 2026, for Micro-Electromechanical System-Stabilized Near-Field Thermophotovoltaic System With Hyperbolic Metamaterial Emitter And Method Thereof.

Inventors include G. Swathi; A. Arjunarao; P. Harita; K. Ravi Kumar; P. Suresh Patnaik; N. Nageswara Rao; T. Gunavardhana Naidu; Santhosh Kumar Alla; and S. Hariprasad.

The application for the patent was published on August 14, 2026, under issue no. 33/2026.

Abstract: The present invention discloses a micro-electromechanical system-stabilized near-field thermophotovoltaic system (100) and a method thereof. The system (100) comprises a hyperbolic metamaterial emitter (102) including a metamaterial stack configured to emit near-field thermal photons, a photovoltaic receiver (104) positioned opposite the hyperbolic metamaterial emitter (102) and separated by a sub-wavelength vacuum gap (106), and an active electromechanical closed-loop positioning mechanism including a piezoelectric actuator (108) configured to dynamically adjust the width of the vacuum gap (106) based on real-time displacement sensing. The hyperbolic metamaterial emitter (102) comprises alternating layers of a plasmonic conductor and a dielectric material to produce hyperbolic dispersion. The system (100) converts thermal radiation into electrical power with enhanced power density by enabling evanescent wave tunneling across the nanometer-scale vacuum gap (106).

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