Jove
Visualize
Contáctanos

Videos de Conceptos Relacionados

The Maximum Power Transfer Theorem01:20

The Maximum Power Transfer Theorem

1.1K
Consider a linear AC Thevenin equivalent circuit connected to a load impedance.
The load connected draws the current, and the circuit delivers the power to the load. The alternating current flowing through the load is determined using the rectangular form of voltages, currents, network impedance, and load impedance. The average power delivered to the load is obtained from the product of the square of current and load resistance.
1.1K
Maximum Power Transfer01:16

Maximum Power Transfer

813
Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...
813
Superconductor01:24

Superconductor

1.7K
A substance that reaches superconductivity, a state in which magnetic fields cannot penetrate, and there is no electrical resistance, is referred to as a superconductor. In 1911, Heike Kamerlingh Onnes of Leiden University, a Dutch physicist, observed a relation between the temperature and the resistance of the element mercury. The mercury sample was then cooled in liquid helium to study the linear dependence of resistance on temperature. It was observed that, as the temperature decreased, the...
1.7K
Design Example01:23

Design Example

525
The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
525
Types Of Superconductors01:28

Types Of Superconductors

1.6K
A superconductor is a substance that offers zero resistance to the electric current when it drops below a critical temperature. Zero resistance is not the only interesting phenomenon as materials reach their transition temperatures. A second effect is the exclusion of magnetic fields. This is known as the Meissner effect. A light, permanent magnet placed over a superconducting sample will levitate in a stable position above the superconductor. High-speed trains that levitate on strong...
1.6K
Transmission Line Design Considerations01:23

Transmission Line Design Considerations

588
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
588

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Macrophage-Derived TGF-β and VEGF Promote the Progression of Trauma-Induced Heterotopic Ossification.

Inflammation·2022
Same author

Investigation on anomalous thermal enhancement and temperature sensing properties of Zn<sub>3</sub>Mo<sub>2</sub>O<sub>9</sub>:Yb<sup>3+</sup>/RE<sup>3+</sup> (RE = Er/Ho) phosphors.

Dalton transactions (Cambridge, England : 2003)·2022
Same author

Management of Donor and Acceptor Building Blocks in Dopant-Free Polymer Hole Transport Materials for High-Performance Perovskite Solar Cells.

Angewandte Chemie (International ed. in English)·2022
Same author

Effects of short-term feeding with high fiber diets on growth, utilization of dietary fiber, and microbiota in pigs.

Frontiers in microbiology·2022
Same author

[Corrigendum] Benzyl isothiocyanate suppresses development and metastasis of murine mammary carcinoma by regulating the Wnt/β‑catenin pathway.

Molecular medicine reports·2022
Same author

Mapping and validation of major and stable QTL for flag leaf size from tetraploid wheat.

The plant genome·2022
Same journal

Learning Moisture-Induced Damage From Vision: Diffusion Models for Real-Time Monitoring of Additive Manufacturing Processes.

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

Intrinsic Dual-Phase Regulated GeSe<sub>2</sub> Nanoparticles Triggered by Ball-Milling Treatment for Photonic Multi-Valued Logic Circuits.

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

A Plant Photoregulator-Inspired S-Type Heterojunction System for Diabetic Keratopathy via Tri-Modal Light-Driven Immunometabolic Reprogramming, Tissue Repair, and Antibacterial Activity.

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

eEF1G Orchestrates Translation to Ensure Meiotic Progression in Transcriptionally Quiescent Spermatocytes.

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

Ultrasound-Recharged Sub-Nanometer Palladium Catalysts for on-Demand and Self-Terminating Bioorthogonal Prodrug Activation in Cancer Therapy.

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

Graphene Aerogels With Spherical Pore Structure for Broad Frequency Regulation and Enhanced Low-Frequency Response.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Ver todos los artículos relacionados
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Video Experimental Relacionado

Updated: Jan 13, 2026

In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation
09:39

In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation

Published on: May 27, 2013

12.8K

Super-Robust Telecommunications Enabled by Topological Half-Supermodes

Rui Zhou1,2, Xintong Shi1, Hai Lin1

  • 1College of Physical Science and Technology, Central China Normal University, Wuhan, Hubei, China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|January 10, 2026
PubMed
Resumen
Este resumen es generado por máquina.

Topological photonics enable robust integrated waveguide devices. A novel valley-ridge gap waveguide achieves ultra-compact, seamlessly integrated devices with backscattering immunity.

Palabras clave:
integración sin fisurastelecomunicaciones super robustassemisupermodos topológicosultracompactoguías de onda híbridas valle-cresta

Más Videos Relacionados

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

10.3K
Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
12:18

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

17.5K

Videos de Experimentos Relacionados

Last Updated: Jan 13, 2026

In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation
09:39

In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation

Published on: May 27, 2013

12.8K
Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

10.3K
Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
12:18

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

17.5K

Área de la Ciencia:

  • Fotónica
  • Física de la Materia Condensada
  • Óptica Integrada

Sus antecedentes:

  • La fotónica topológica ofrece dispositivos de guía de onda integrados robustos debido a la inmunidad a la retrodispersión.
  • Los desafíos de integración incluyen la asimetría del modo y las grandes dimensiones del dispositivo.

Objetivo del estudio:

  • Superar los desafíos de integración en fotónica topológica.
  • Desarrollar dispositivos de guía de onda topológica ultracompactos e integrados sin fisuras.

Principales métodos:

  • Introdujo una nueva guía de onda de brecha valle-cresta basada en la ingeniería de semisupermodos topológicos.
  • Hibridó los modos de guía de onda de cresta y los estados de quiebre de valle para crear un supermodo de simetría impar.
  • Implementó un límite conductor eléctrico perfecto para reducir las dimensiones y eliminar la pérdida de radiación.

Principales resultados:

  • Logró una propagación robusta y una operación ultracompacta a través de la ingeniería de semisupermodos topológicos.
  • Demostró una integración perfecta con guías de onda estándar a través de la coincidencia directa del modo eléctrico transversal.
  • Los resultados experimentales mostraron pérdidas por reflexión por debajo de -15 dB y una propagación de señal robusta a través de curvas pronunciadas.

Conclusiones:

  • Pionero en aplicaciones prácticas de semisupermodos topológicos para dispositivos de guía de onda integrados.
  • Estableció una nueva clase de guías de onda que combinan la inmunidad a la retrodispersión con una compacidad sublongitudinal profunda.
  • Superó desafíos críticos en la asimetría del modo y las dimensiones del dispositivo para la integración fotónica topológica.