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Related Experiment Video

Updated: May 12, 2026

Evanescent Field Based Photoacoustics: Optical Property Evaluation at Surfaces

Evanescent Field Based Photoacoustics: Optical Property Evaluation at Surfaces

Published on: July 26, 2016

Mie scattering and optical forces from evanescent fields: a complex-angle approach.

Aleksandr Y Bekshaev¹, Konstantin Y Bliokh, Franco Nori

¹I. I. Mechnikov National University, Dvorianska 2, Odessa, 65082, Ukraine. bekshaev@onu.edu.ua

|April 3, 2013

Summary

This summary is machine-generated.

Mie theory now describes evanescent wave scattering by rotating solutions by a complex angle. This simplifies calculations for optical near-field manipulation and particle interactions, offering a powerful new tool.

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Area of Science:

Physics
Optics
Electromagnetism

Background:

Mie theory is a standard method for analyzing light scattering by spherical particles.
Evanescent optical fields also interact with particles, enabling near-field manipulation.

Purpose of the Study:

To adapt Mie theory for analyzing the scattering of evanescent optical fields.
To develop a simplified method for calculating scattered fields and radiation forces.

Main Methods:

Rotation of standard Mie theory solutions by a complex angle.
Application to dielectric and conducting particles in evanescent fields.

Main Results:

Mie theory successfully describes evanescent wave scattering through complex angle rotation.
Calculations of scattered fields and radiation forces show perfect agreement with existing methods.
Angular distributions of scattered far-field irradiance were computed.

Conclusions:

The complex angle rotation method provides a simple and powerful approach for Mie theory applications to evanescent waves.
This validated method facilitates the study of optical near-field manipulations and particle interactions.