Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Equipotential Surfaces and Field Lines

Equipotential Surfaces and Field Lines

Electric potential can be pictorially represented as a three-dimensional surface. On such a surface, the electric potential is constant everywhere. The equipotential surface is always perpendicular to the electric field lines, and while it is three-dimensional, it can be treated as an equipotential line in a two-dimensional case. These equipotential lines are also always perpendicular to electric field lines. The term equipotential is often used as a noun, referring to an equipotential line or...

Mesh Analysis with Current Sources

Mesh Analysis with Current Sources

Mesh analysis becomes simpler when analyzing circuits with current sources, whether independent or dependent. The presence of current sources reduces the number of equations required for analysis. Two cases illustrate this:
Current Source in One Mesh: The analysis process is straightforward when a current source is found in only one mesh within the circuit. Mesh currents are assigned as usual, with the mesh containing the current source excluded from the analysis. Kirchhoff's voltage law...

Maxwell-Boltzmann Distribution: Problem Solving

Maxwell-Boltzmann Distribution: Problem Solving

Individual molecules in a gas move in random directions, but a gas containing numerous molecules has a predictable distribution of molecular speeds, which is known as the Maxwell-Boltzmann distribution, f(v).
This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by

Gauss's Law: Planar Symmetry

Gauss's Law: Planar Symmetry

A planar symmetry of charge density is obtained when charges are uniformly spread over a large flat surface. In planar symmetry, all points in a plane parallel to the plane of charge are identical with respect to the charges. Suppose the plane of the charge distribution is the xy-plane, and the electric field at a space point P with coordinates (x, y, z) is to be determined. Since the charge density is the same at all (x, y) - coordinates in the z = 0 plane, by symmetry, the electric field at P...

Surface Tension and Surface Energy

Surface Tension and Surface Energy

When a paint brush is immersed in water, the bristles wave freely inside the water. When it is taken out, the bristles stick together. The reason behind this effect is surface tension.
Consider a beaker filled with liquid. The bulk molecules in the liquid experience equal attractive forces on all sides with the surrounding molecules. However, the surface molecules experience a net attractive force downward due to the bulk molecules. The surface of the liquid behaves like a stretched membrane,...

Methods of Obtaining Topography

Methods of Obtaining Topography

Topography involves measuring and mapping land elevations, natural features, and artificial structures to create accurate representations of the terrain. Topographic surveying relies on traditional and modern methods, each with distinct advantages and limitations.Traditional Surveying Methods:Transit stadia surveys and plane table surveys were widely used traditional surveying methods. These techniques relied on instruments like theodolites and stadia rods for measuring distances and angles,...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

TRIM: Simultaneous Thermometry, Ranging, and Imaging via a Monolithic Metalens.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026

Same author

Baseline-free structured light 3D imaging using a metasurface double-helix dot projector.

Nanophotonics (Berlin, Germany)·2025

Same author

Polarization-entangled Bell state generation from an epsilon-near-zero metasurface.

Science advances·2025

Same author

Metasurface array for single-shot spectroscopic ellipsometry.

Light, science & applications·2024

Same author

Single-shot deterministic complex amplitude imaging with a single-layer metalens.

Science advances·2024

Same author

Metalens for Accelerated Optoelectronic Edge Detection under Ambient Illumination.

Nano letters·2023

Same journal

Investigating degradation mechanisms in organic light-emitting diodes using operando electrically pumped spectroscopy.

Light, science & applications·2026

Same journal

Two-photon 3D imaging of optically stimulated neural activity at 100 Hz.

Light, science & applications·2026

Same journal

Quasi-bound states in the continuum driven photoresponse in multiple quantum wells for machine vision.

Light, science & applications·2026

Same journal

Spin-photon qubits for scalable quantum network.

Light, science & applications·2026

Same journal

Dual-mode switchable and reconfigurable Van der Waals phototransistor for multi-state image encryption.

Light, science & applications·2026

Same journal

Weak polarization electric field Ⅲ-N LEDs on polar plane with enhanced efficiency and strong lateral carrier confinement.

Light, science & applications·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jul 31, 2025

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Published on: June 7, 2019

Metasurface designed with quantitative field distributions.

Shuai Wang¹, Yuanmu Yang²

¹State Key Laboratory for Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing, 100084, China.

Light, Science & Applications

|May 10, 2023

Summary

This summary is machine-generated.

Researchers developed a new metasurface design method using a tandem neural network and iterative algorithm. This approach precisely controls light field intensity and polarization for advanced optical devices.

More Related Videos

Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data

Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data

Published on: December 12, 2013

Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing

Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing

Published on: June 28, 2024

Related Experiment Videos

Last Updated: Jul 31, 2025

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Published on: June 7, 2019

Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data

Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data

Published on: December 12, 2013

Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing

Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing

Published on: June 28, 2024

Area of Science:

Optics and Photonics
Materials Science
Computational Electromagnetics

Background:

Metasurfaces offer precise control over light properties.
Designing complex metasurfaces with desired field distributions remains challenging.
Existing methods often lack efficiency and robustness for intricate designs.

Purpose of the Study:

To introduce a novel and efficient method for designing metasurfaces.
To enable the generation of precise quantitative field distributions.
To achieve accurate control over light intensity and polarization.

Main Methods:

A tandem neural network was combined with an iterative optimization algorithm.
The method optimizes metasurface geometry for specific field generation.
Simulations and potentially experimental validation were used to demonstrate the approach.

Main Results:

Demonstrated precise generation of quantitative field distributions.
Achieved accurate control over the intensity and polarization of the generated field.
The proposed design strategy proved to be efficient and robust.

Conclusions:

The new method significantly advances metasurface design capabilities.
This approach accelerates the development of functional metasurface devices.
Potential applications include advanced optical components and systems.