Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Biasing of Metal-Semiconductor Junctions01:27

Biasing of Metal-Semiconductor Junctions

363
Biasing metal-semiconductor junctions involves applying a voltage across the junction. Specifically, the metal is connected to a voltage source, while the semiconductor is grounded. This technique is essential for controlling the direction and magnitude of current flow in electronic devices, including diodes, transistors, and photovoltaic cells.
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
363
Mesh Analysis for AC Circuits01:12

Mesh Analysis for AC Circuits

451
In the domain of radio communication, the significance of impedance matching must be considered. It is crucial to ensure the efficient transmission of signals between radio transmitters and receivers. Achieving this balance involves using impedance-matching circuits, with one fundamental configuration comprising a resistor, capacitor, and inductor.
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
451

You might also read

Related Articles

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

Sort by
Same author

Theoretical investigation of active dual-band tuning of dielectric chiral metasurfaces via Q-BICs.

Optics express·2026
Same author

Comprehensive analysis of the cysteine-rich polycomb-like protein (CPP) gene family in peanut: insights into its expression patterns in abiotic stress responses.

Frontiers in plant science·2026
Same author

Step-Edge-Guided Growth of Single-Crystalline γ-Bi<sub>2</sub>O<sub>3</sub> with Unidirectional Orientation as a High-κ Dielectric for 2D Transistors.

Nano letters·2026
Same author

Fiber fault detection in WDM-PONs based on a random optoelectronic oscillator.

Optics express·2025
Same author

High-performance metasurface sensors based on perturbation theory and boundary condition.

Optics express·2025
Same author

Genome-wide identification and functional characterization of the DREB gene family in barley (Hordeum vulgare L.) reveal its role in drought and salinity responses.

BMC genomics·2025

Related Experiment Video

Updated: Oct 11, 2025

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
09:33

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Published on: June 7, 2019

6.4K

Switchable Multifunctional Meta-Surface Composed by Dielectric-Metal Hybrid Antenna Array Architecture.

Yule Huang1, Jiaxin Yang1, Ying Zhang1

  • 1Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510006, China.

Nanomaterials (Basel, Switzerland)
|November 27, 2021
PubMed
Summary

This study introduces a strontium titanate meta-surface for terahertz applications, demonstrating high absorption and polarization conversion. The device

Keywords:
optical antennaperfect absorberpolarization converterterahertz device

More Related Videos

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
08:48

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

Published on: September 25, 2020

5.9K
Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
13:44

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

15.5K

Related Experiment Videos

Last Updated: Oct 11, 2025

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
09:33

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

Published on: June 7, 2019

6.4K
Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
08:48

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

Published on: September 25, 2020

5.9K
Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
13:44

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

15.5K

Area of Science:

  • Terahertz (THz) metamaterials
  • Dielectric meta-surfaces
  • Antenna array technology

Background:

  • Strontium titanate (STO) exhibits desirable dielectric properties for terahertz applications.
  • Environmental temperature affects STO permittivity, influencing device performance.
  • Meta-surfaces offer tunable electromagnetic responses.

Purpose of the Study:

  • To demonstrate a multifunctional meta-surface using STO.
  • To investigate its performance in absorption and polarization conversion at terahertz frequencies.
  • To analyze the temperature-dependent behavior of the meta-surface.

Main Methods:

  • Fabrication of a single-layer meta-surface comprising STO elliptic cylinders in a dielectric-metal hybrid antenna array.
  • Electromagnetic simulations and characterization at terahertz frequencies (0.1-0.25 THz).
  • Analysis of absorptance, polarization conversion efficiency, and temperature dependence (300-450 K).

Main Results:

  • Achieved near-perfect absorption (>99.9%) and efficient polarization conversion at 300 K.
  • Demonstrated temperature-tunable absorption peaks with an average absorptance of 96% between 300-450 K.
  • High degree of circular polarization (0.986) and ellipticity angle (44.5°) achieved.

Conclusions:

  • The proposed STO meta-surface is a versatile platform for terahertz applications.
  • Its temperature-dependent characteristics enable potential use in optical sensing and tunable devices.
  • Offers a pathway for integrated devices in complex electromagnetic environments.