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Updated: Jun 24, 2026

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

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Published on: February 4, 2018

Mie Scattering Analog Circuit Emulator.

Emanuele Corsaro^1,2, Marco Balato¹, Giovanni Miano^1,3

¹Università degli Studi di Napoli Federico II, Department of Electrical Engineering and Information Technology, via Claudio 21, Napoli 80125, Italy.

Physical Review Letters

|June 22, 2026

Summary

This summary is machine-generated.

Researchers created an analog circuit emulator for Mie scattering, accurately reconstructing electromagnetic wave interactions with dispersive spheres. This platform enables novel designs for dispersion-engineered optical scatterers.

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Area of Science:

Physics
Electromagnetism
Materials Science

Background:

Mie scattering explains light interaction with particles.
Understanding light behavior in dispersive materials is crucial for optical technologies.

Purpose of the Study:

To develop and validate an analog circuit emulator for Mie scattering.
To model electromagnetic wave interactions with temporally dispersive spheres.

Main Methods:

Utilized a modular lumped-element network for the emulator.
Employed generators and filters to set excitation conditions.
Incorporated resistor-inductor-capacitor networks to represent material dispersion and radiation properties.

Main Results:

Successfully reconstructed the full scattering response of dispersive spheres.
Demonstrated a direct correspondence between optical power and circuit power.
Validated optical power conservation at the circuit level.

Conclusions:

Established an experimentally accessible platform for Mie scattering research.
Provides a novel method for designing and exploring dispersion-engineered scatterers.