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

Bus Impedance Matrix01:24

Bus Impedance Matrix

622
Calculating subtransient fault currents for three-phase faults in an N-bus power system involves using the positive-sequence network. When a three-phase short circuit occurs at a specific bus, the analysis uses the superposition method to evaluate two separate circuits.
In the first circuit, all machine voltage sources are short-circuited, leaving only the prefault voltage source at the fault location. The positive-sequence bus impedance matrix can be determined by solving the nodal equations,...
622
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

1.1K
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
1.1K
Design Example: Capacitance Multiplier Circuit01:20

Design Example: Capacitance Multiplier Circuit

1.9K
In integrated circuit technology, a capacitance multiplier is often utilized to produce a larger capacitance value when a small physical capacitance falls short. This is achieved by a circuit that multiplies capacitance values by a factor of up to 1000, such that a 10-pF capacitor can replicate the performance of a 100-nF capacitor.
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
1.9K
Integrator and Differentiator01:13

Integrator and Differentiator

1.8K
Op-amp circuits have significant applications in various fields, including automotive engineering. One such application is cruise control systems in cars, where op-amp circuits are integral for maintaining a constant speed. In these systems, op-amps function as both integrators and differentiators.
An integrator within an op-amp circuit produces an output directly proportional to the integral of the input signal. This is achieved by replacing the feedback resistor in a typical inverting...
1.8K
Clipper Circuit01:18

Clipper Circuit

1.0K
A clipper circuit is a fundamental wave-shaping device that harnesses the unique properties of diodes to alter and control waveform characteristics. This technology is widely used in electronic devices, especially in television and radar communication systems, where it enhances waveform modulation in both transmitters and receivers.
The operation of a clipper circuit can be exemplified by analyzing a dual-clipper configuration setup that integrates two ideal diodes, each paired with a biasing...
1.0K
Impedance Combination01:21

Impedance Combination

919
Consider a string of christmas lights, each bulb symbolizing an impedance element. In this series configuration, the flow of electric current remains uniform across every component. This behavior aligns with Kirchhoff's Voltage Law (KVL), which asserts that the total impedance in such a setup equals the sum of individual impedances—akin to resistors in series. It follows that the voltage from the power source is distributed proportionally among these components, adhering to the voltage...
919

You might also read

Related Articles

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

Sort by
Same author

In-sensor compressing via programmable optoelectronic sensors based on van der Waals heterostructures for intelligent machine vision.

Nature communications·2025
Same author

Electronics and Optoelectronics Based on Tellurium.

Advanced materials (Deerfield Beach, Fla.)·2024
Same author

2D Reconfigurable Memory Device Enabled by Defect Engineering for Multifunctional Neuromorphic Computing.

Advanced materials (Deerfield Beach, Fla.)·2024
Same author

Precursor-Confined Chemical Vapor Deposition of 2D Single-Crystalline Se<sub></sub>Te<sub>1-</sub> Nanosheets for p-Type Transistors and Inverters.

ACS nano·2024
Same author

Uncovering the Role of Crystal Phase in Determining Nonvolatile Flash Memory Device Performance Fabricated from MoTe<sub>2</sub>-Based 2D van der Waals Heterostructures.

ACS applied materials & interfaces·2023
Same author

Cost-effective fiber-to-lithium niobate chip coupling using a double-side irradiation self-written waveguide.

Optics letters·2023
Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026
Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026
Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026
Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026
Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026
Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026
See all related articles

Related Experiment Video

Updated: Apr 30, 2026

Reconfigurable Microfluidic Channel with Pin-discretized Sidewalls
10:39

Reconfigurable Microfluidic Channel with Pin-discretized Sidewalls

Published on: April 12, 2018

9.9K

Reconfigurable two-mode mux/demux device.

Wai Ying Chan, Hau Ping Chan

    Optics Express
    |May 3, 2014
    PubMed
    Summary
    This summary is machine-generated.

    A novel reconfigurable two-mode multiplexer/demultiplexer (mux/demux) device was developed using polymer materials and the thermo-optic effect. This device offers high performance for future multimode optical communication systems.

    More Related Videos

    Enabling High Grayscale Resolution Displays and Accurate Response Time Measurements on Conventional Computers
    06:50

    Enabling High Grayscale Resolution Displays and Accurate Response Time Measurements on Conventional Computers

    Published on: February 29, 2012

    8.8K
    Author Spotlight: Developing a Unique Modular Microphysiological System to Mimic Human Barrier Tissue
    06:20

    Author Spotlight: Developing a Unique Modular Microphysiological System to Mimic Human Barrier Tissue

    Published on: February 16, 2024

    1.6K

    Related Experiment Videos

    Last Updated: Apr 30, 2026

    Reconfigurable Microfluidic Channel with Pin-discretized Sidewalls
    10:39

    Reconfigurable Microfluidic Channel with Pin-discretized Sidewalls

    Published on: April 12, 2018

    9.9K
    Enabling High Grayscale Resolution Displays and Accurate Response Time Measurements on Conventional Computers
    06:50

    Enabling High Grayscale Resolution Displays and Accurate Response Time Measurements on Conventional Computers

    Published on: February 29, 2012

    8.8K
    Author Spotlight: Developing a Unique Modular Microphysiological System to Mimic Human Barrier Tissue
    06:20

    Author Spotlight: Developing a Unique Modular Microphysiological System to Mimic Human Barrier Tissue

    Published on: February 16, 2024

    1.6K

    Area of Science:

    • Optoelectronics
    • Photonics
    • Materials Science

    Background:

    • Planar waveguide devices are crucial for optical communication.
    • Reconfigurable devices are needed to increase system flexibility and capacity.
    • Thermo-optic effects offer a viable mechanism for device control.

    Purpose of the Study:

    • To propose and demonstrate a reconfigurable two-mode multiplexer/demultiplexer (mux/demux) in a planar waveguide.
    • To evaluate the device's performance using key optical metrics.
    • To assess its potential for future optical communication systems.

    Main Methods:

    • Device fabrication using polymer materials.
    • Utilizing the thermo-optic effect for reconfigurability.
    • Characterization with a tunable laser source at 1550 nm.

    Main Results:

    • Simulated mux/demux extinction ratio exceeding 35 dB.
    • Measured excess loss below 0.4 dB.
    • Demonstrated mux/demux performance in both operational routes, aligning with theoretical predictions.

    Conclusions:

    • The proposed device is easily implemented and exhibits excellent performance.
    • It holds significant potential for enhancing capacity in multimode optical communication systems.
    • This technology contributes to the advancement of flexible and high-capacity optical networks.