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

Block Diagram Reduction01:22

Block Diagram Reduction

212
The process of deriving the transfer function of a control system often involves reducing its block diagram to a single block. This simplification can be achieved through a series of strategic operations, including relocating branch points and comparators. These operations preserve the overall function of the system while allowing for easier manipulation and combination of blocks.
The first step in this process is the identification and relocation of a branch point. A branch point, where a...
212
Indeterminate Structure01:18

Indeterminate Structure

537
Indeterminate structures refer to structures where internal forces and reactions cannot be determined using only the equations of static equilibrium.  Indeterminate structures have more unknown forces and reaction forces than equations of static equilibrium that can be used to determine them. Indeterminate structures are often used in engineering to create complex, efficient, and aesthetically pleasing structures. There are various types of indeterminate structures used in engineering and...
537
Ampere-Maxwell's Law: Problem-Solving01:17

Ampere-Maxwell's Law: Problem-Solving

630
A parallel-plate capacitor with capacitance C, whose plates have area A and separation distance d, is connected to a resistor R and a battery of voltage V. The current starts to flow at t = 0. What is the displacement current between the capacitor plates at time t? From the properties of the capacitor, what is the corresponding real current?
To solve the problem, we can use the equations from the analysis of an RC circuit and Maxwell's version of Ampère's law.
For the first part of...
630
Relation between Mathematical Equations and Block Diagrams01:20

Relation between Mathematical Equations and Block Diagrams

361
In a spring-mass-damper system, the second-order differential equation describes the dynamic behavior of the system. When transformed into the Laplace domain under zero initial conditions, this equation can be effectively analyzed and manipulated. The transformation into the Laplace domain converts differential equations into algebraic equations, simplifying the process of isolating the output.
361
Stability of structures01:14

Stability of structures

167
In mechanical engineering, the stability of systems under various forces is critical for designing durable and efficient structures. One fundamental way to explore these concepts is by analyzing systems like two rods connected at a pivot point, O, with a torsional spring of spring constant k at the pivot point. This system is similar in appearance to a scissor jack used to change tires on a car. In this case, the arms of the linkage (equivalent to the rods in this system) are entirely vertical,...
167
Elements of Block Diagrams01:25

Elements of Block Diagrams

284
Block diagrams serve as a visual representation of the input-output relationships within a system. An illustrative example is a heating system, where the set temperature activates the furnace to warm the room to the desired level. Block diagrams are versatile, modeling linear systems through Laplace transform variables and nonlinear systems using time domain variables.
A block diagram typically includes essential elements such as comparators, blocks, and feedback loops. Each of these elements...
284

You might also read

Related Articles

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

Sort by
Same author

Theoretical strategy for hexadecimal color coding via frequency comb-enabled photonic time crystals.

Optics express·2026
Same author

Multifunctional device based on a nematic liquid crystal.

Optics express·2026
Same author

Theoretical study of a topological layered metastructure integrating NOR logic gate and multiphysical sensing functions.

Optics express·2026
Same author

Magneto-optical angle selector based on a 1D InAs photonic crystal achieving dynamic polarization separation via synergistic total internal and Bragg reflection.

Optics express·2026
Same author

Age at Coronary Heart Disease Onset, Genetic Susceptibility, and Subsequent Risk of Stroke.

Journal of the American Heart Association·2026
Same author

Longitudinal Study of Frailty Phenotype in Relation to Chronic Kidney Disease Incidence.

Journal of cachexia, sarcopenia and muscle·2026
Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026
Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026
Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026
Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026
Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026
Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026
See all related articles

Related Experiment Video

Updated: Jul 4, 2025

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

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

15.4K

Arithmetic logic unit based on the metastructure with coherent absorption: erratum.

Jia-Hao Zou, Jun-Yang Sui, Qi Chen

    Optics Letters
    |February 1, 2024
    PubMed
    Summary
    This summary is machine-generated.

    This corrigendum corrects an error in graphene conductivity calculations. Despite modifications to the arithmetic logic unit and phase control, the study's main conclusions remain valid.

    More Related Videos

    Excitonic Hamiltonians for Calculating Optical Absorption Spectra and Optoelectronic Properties of Molecular Aggregates and Solids
    08:04

    Excitonic Hamiltonians for Calculating Optical Absorption Spectra and Optoelectronic Properties of Molecular Aggregates and Solids

    Published on: May 27, 2020

    8.4K
    Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes
    08:07

    Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes

    Published on: March 9, 2019

    7.8K

    Related Experiment Videos

    Last Updated: Jul 4, 2025

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

    Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

    Published on: December 27, 2012

    15.4K
    Excitonic Hamiltonians for Calculating Optical Absorption Spectra and Optoelectronic Properties of Molecular Aggregates and Solids
    08:04

    Excitonic Hamiltonians for Calculating Optical Absorption Spectra and Optoelectronic Properties of Molecular Aggregates and Solids

    Published on: May 27, 2020

    8.4K
    Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes
    08:07

    Assembly and Characterization of Biomolecular Memristors Consisting of Ion Channel-doped Lipid Membranes

    Published on: March 9, 2019

    7.8K

    Area of Science:

    • Optics and Photonics
    • Condensed Matter Physics
    • Materials Science

    Background:

    • The original study investigated graphene conductivity using the Kubo formula.
    • An error in resolving the Kubo formula was identified in the supplementary material.

    Purpose of the Study:

    • To correct a mathematical error in the calculation of graphene conductivity.
    • To report necessary modifications to the study's model and parameters.

    Main Methods:

    • Re-evaluation of the Kubo formula for graphene conductivity.
    • Correction of the absolute value calculation in the supplementary material.
    • Adjustment of the transfer matrix code and associated parameters.

    Main Results:

    • The corrected calculation impacts the conductivity of graphene.
    • Modifications were made to the arithmetic logic unit (ALU), characteristic frequency, and phase control.
    • The fundamental findings and conclusions of the research are unaffected.

    Conclusions:

    • The error in the graphene conductivity calculation has been rectified.
    • Despite structural and parameter adjustments, the overall conclusions of the work remain unchanged.