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

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

Dual Nature of Electromagnetic (EM) Radiation

Dual Nature of Electromagnetic (EM) Radiation

Electromagnetic (EM) radiation consists of electric and magnetic field components oscillating in planes perpendicular to each other and mutually perpendicular to radiation propagation through space. EM radiation can be classified as a wave, characterized by the properties of waves such as wavelength (denoted as λ) and frequency (represented by ν).
Wavelength is the distance between two consecutive peaks (the highest point) or troughs (the lowest point) in the wave. Frequency is the number of...

You might also read

Related Articles

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

Sort by

Same author

Highly Efficient Complete Hydrogenation of (Polystyrene‑<i>b</i>‑Poly(styrene-<i>alt</i>-1,3-pentadiene)‑<i>b</i>‑Polystyrene) Triblock Copolymer Using a Low-Cost Ni-Based Catalyst.

ACS omega·2026

Same author

Mesoscopic Approach for Disjoining Pressure Effects in Nanoscale Thin Liquid Films on Nanostructured Surfaces.

Langmuir : the ACS journal of surfaces and colloids·2026

Same author

Identification of genes controlling grain size in barley through RNA-seq and weighted gene co-expression network analysis.

Functional & integrative genomics·2026

Same author

REPLY.

Diseases of the colon and rectum·2026

Same author

A robust FRET-based biochemical assay for the discovery of chikungunya virus nsP2 protease inhibitors.

Journal of pharmacological and toxicological methods·2026

Same author

RVG-Modified BMSCs-Derived Small Extracellular Vesicles Loaded With miR-21 Alleviate Neuronal Injury Resulted From Excessive Autophagy via Targeting PTEN/Akt/mTOR Pathway After Cerebral Ischaemia.

Journal of extracellular vesicles·2026

Same journal

Recent Progress in on-Demand Transfer-Enabled Integration of Wavelength-Scale Light Sources.

Nanophotonics (Berlin, Germany)·2026

Same journal

Tunable skyrmion bag textures in surface phonon polariton lattices.

Nanophotonics (Berlin, Germany)·2026

Same journal

All-Optical Diffractive Operators for Rapid, Computer-Free Morphological Transformations.

Nanophotonics (Berlin, Germany)·2026

Same journal

Tunable Skyrmion, Meron, and Skyrmion Bag Textures in Surface Phonon Polariton Lattices.

Nanophotonics (Berlin, Germany)·2026

Same journal

Deep-Subwavelength Slot-Enhanced Broadband Dynamic Camouflage Metasurface Across the S, C, X, and Ku Bands.

Nanophotonics (Berlin, Germany)·2026

Same journal

Machine Learning-Driven Cooling Window Design Beyond Hyperbolic Metamaterials.

Nanophotonics (Berlin, Germany)·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Mar 10, 2026

Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band

Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band

Published on: May 2, 2018

Bayesian Optimized High-Figure-of-Merit Broadband Directional Thermal Emitters.

Erwei Gui^1,2,3, Guangji Lian^2,3, Shenghao Jin^2,3

¹Institute of Engineering Thermophysics, School of Mechanical Engineering Shanghai Jiao Tong University Shanghai China.

Nanophotonics (Berlin, Germany)

|March 9, 2026

Summary

This summary is machine-generated.

Researchers developed a novel broadband directional thermal emitter using fewer epsilon-near-zero layers. This optimized structure enhances infrared camouflage and radiative cooling applications with improved performance.

Keywords:

Bayesian optimization directional thermal emission epsilon‐near‐zero (ENZ)infrared deception

More Related Videos

Split Point Analysis and Uncertainty Quantification of Thermal-Optical Organic/Elemental Carbon Measurements

Split Point Analysis and Uncertainty Quantification of Thermal-Optical Organic/Elemental Carbon Measurements

Published on: September 7, 2019

The Frequency Domain Thermoreflectance Technique for Thermal Property Measurements

The Frequency Domain Thermoreflectance Technique for Thermal Property Measurements

Published on: December 5, 2025

Related Experiment Videos

Last Updated: Mar 10, 2026

Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band

Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band

Published on: May 2, 2018

Split Point Analysis and Uncertainty Quantification of Thermal-Optical Organic/Elemental Carbon Measurements

Split Point Analysis and Uncertainty Quantification of Thermal-Optical Organic/Elemental Carbon Measurements

Published on: September 7, 2019

The Frequency Domain Thermoreflectance Technique for Thermal Property Measurements

The Frequency Domain Thermoreflectance Technique for Thermal Property Measurements

Published on: December 5, 2025

Area of Science:

Nanophotonics and Metamaterials
Thermal Engineering
Infrared Technology

Background:

Broadband directional thermal emitters (BDTE) are crucial for applications like infrared camouflage and radiative cooling.
Current BDTE structures often require numerous epsilon-near-zero (ENZ) layers and lack optimized thicknesses, limiting their performance.
Achieving broader spectral coverage and higher figures of merit (FOM) in BDTE remains a challenge.

Purpose of the Study:

To design and optimize a high-FOM BDTE structure with a reduced number of ENZ layers.
To extend the operational bandwidth of BDTE.
To explore the potential of optimized BDTE structures in infrared information encryption and deception.

Main Methods:

Utilized Bayesian optimization to design a BDTE structure with fewer ENZ layers.
Coupled epsilon-near-pole (ENP) resonance with the Brewster effect of a dielectric spacer.
Experimental validation of the designed structure's performance.

Main Results:

Achieved a BDTE bandwidth extension of 2 μm (from 7.9-12 μm to 7.9-14 μm).
Realized an optimized structure with an average directional emissivity of 0.94 and an FOM of 8.087.
Demonstrated patterned devices for infrared information encryption and deception with angle-dependent infrared signatures.

Conclusions:

The developed BDTE structure offers superior performance with fewer layers compared to existing methods.
The integration of ENP resonance and Brewster effect effectively broadens the emission spectrum.
The findings provide a pathway for advanced infrared information technologies and optimized thermal emitter design.