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

Prismatic Beams: Problem Solving01:15

Prismatic Beams: Problem Solving

117
In the design of a supported timber beam subjected to a distributed load, both the beam's physical dimensions and the timber's characteristics, such as its grade and species, are critical. These factors determine the allowable stress values, which are crucial for calculating the necessary beam depth to ensure structural integrity and safety.
The design begins with analyzing the beam as a free body to identify moments and force balances, thereby determining support reactions. Next, the...
117
Numerical Calculations01:24

Numerical Calculations

358
In engineering applications, the representation of the numerical value is critical. Presenting or reporting the answer is one of the essential parts of engineering practices. Numerical calculations are performed using handheld calculators or computers since numerically accurate answers are always preferred.
The solution to a problem is obtained using different methods. While manually solving algebraic symbols is one of the most common methods, the graphical method is often preferred. Computers...
358
Angle of Twist: Problem Solving01:13

Angle of Twist: Problem Solving

278
An electric motor applies a torque of 700 N·m to an aluminum shaft, triggering a stable rotation. Two pulleys, B and C, are subjected to torques of 300 N·m and 400 N·m, respectively. The modulus of rigidity is provided as 25 GPa. With the knowledge of the length and diameter of each segment, the twist angle between the two pulleys can be computed. First, a section cut is made between pulleys B and C, and the cut cross-section is analyzed using a free-body diagram. Given that the...
278
Inverse z-Transform by Partial Fraction Expansion01:20

Inverse z-Transform by Partial Fraction Expansion

336
The inverse z-transform is a crucial technique for converting a function from its z-domain representation back to the time domain. One effective method for finding the inverse z-transform is the Partial Fraction Method, which involves decomposing a function into simpler fractions with distinct coefficients. These fractions correspond to known z-transform pairs, facilitating the inverse transformation process.
To begin the process, the poles of the function are identified and the function is...
336
Cartesian Vector Notation01:28

Cartesian Vector Notation

780
Cartesian vector notation is a valuable tool in mechanical engineering for representing vectors in three-dimensional space, performing vector operations such as determining the gradient, divergence, and curl, and expressing physical quantities such as the displacement, velocity, acceleration, and force. By using Cartesian vector notation, engineers can more easily analyze and solve problems in various areas of mechanical engineering, including dynamics, kinematics, and fluid mechanics. This...
780
Phasor Arithmetics01:13

Phasor Arithmetics

306
Phasors and their corresponding sinusoids are interrelated, offering unique insights into the behavior of alternating current (AC) circuits. One way to understand this relationship is through the operations of differentiation and integration in both the time and phasor domains.
When the derivative of a sinusoid is taken in the time domain, it transforms into its corresponding phasor multiplied by j-omega (jω) in the phasor domain, where j is the imaginary unit, and ω is the angular...
306

You might also read

Related Articles

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

Sort by
Same author

Topological structure synthesized by three-dimensional spin angular momentum of light.

Optics express·2025
Same author

Compact device for the generation of toroidal spatiotemporal optical vortices.

Optics letters·2024
Same author

High-efficiency integer multiplier for the orbital angular momentum of light.

Optics letters·2023
Same author

Generalized spiral transformation for high-resolution sorting of vortex modes.

Optics letters·2023
Same author

Vectorial optical fields: recent advances and future prospects.

Science bulletin·2023
Same author

Generation of ultrafast spatiotemporal wave packet embedded with time-varying orbital angular momentum.

Science bulletin·2023

Related Experiment Video

Updated: Jul 9, 2025

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
12:14

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

21.8K

Rational number vortex beam multiplier and divider based on an Archimedean spiral mapping.

Jie Cheng, Chenhao Wan

    Optics Letters
    |December 1, 2023
    PubMed
    Summary

    Researchers demonstrate a novel method for manipulating the orbital angular momentum (OAM) of light using Archimedean spirals. This technique enables arbitrary multiplication and division of OAM, crucial for advanced optical communication systems.

    More Related Videos

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

    9.8K
    Scanning SQUID Study of Vortex Manipulation by Local Contact
    06:53

    Scanning SQUID Study of Vortex Manipulation by Local Contact

    Published on: February 1, 2017

    6.9K

    Related Experiment Videos

    Last Updated: Jul 9, 2025

    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
    12:14

    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

    Published on: August 12, 2013

    21.8K
    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

    9.8K
    Scanning SQUID Study of Vortex Manipulation by Local Contact
    06:53

    Scanning SQUID Study of Vortex Manipulation by Local Contact

    Published on: February 1, 2017

    6.9K

    Area of Science:

    • Optics and Photonics
    • Optical Communication

    Background:

    • Orbital angular momentum (OAM) offers an additional dimension for light manipulation.
    • Controlling OAM is vital for enhancing classical and quantum optical communication capacity.

    Purpose of the Study:

    • To demonstrate arbitrary rational number multiplication and division of light's OAM.
    • To provide a practical method for manipulating OAM mode space in optical systems.

    Main Methods:

    • Utilized an Archimedean spiral mapping technique.
    • Performed both numerical simulations and experimental validation.

    Main Results:

    • Successfully demonstrated arbitrary rational number multiplication and division of OAM.
    • Validated the effectiveness of the proposed Archimedean spiral mapping scheme.

    Conclusions:

    • The developed method offers a practical approach to OAM manipulation.
    • This technique is directly applicable to high-dimensional optical communication systems, enhancing data transmission capabilities.