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

Design Example: Capacitance Multiplier Circuit01:20

Design Example: Capacitance Multiplier Circuit

1.5K
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.
1.5K
Electrolytes: van't Hoff Factor03:08

Electrolytes: van't Hoff Factor

36.4K
Colligative Properties of Electrolytes
The colligative properties of a solution depend only on the number, not on the identity, of solute species dissolved. The concentration terms in the equations for various colligative properties (freezing point depression, boiling point elevation, osmotic pressure) pertain to all solute species present in the solution. Nonelectrolytes dissolve physically without dissociation or any other accompanying process. Each molecule that dissolves yields one...
36.4K
Weighted Mean00:57

Weighted Mean

6.2K
While taking the arithmetic, geometric, or harmonic mean of a sample data set, equal importance is assigned to all the data points. However, all the values may not always be equally important in some data sets. An intrinsic bias might make it more important to give more weightage to specific values over others.
For example, consider the number of goals scored in the matches of a tournament. While computing the average number of goals scored in the tournament, it may be more important to...
6.2K
Phase Transitions02:31

Phase Transitions

22.7K
Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to...
22.7K
Mass and Weight01:19

Mass and Weight

15.1K
Mass and weight are often used interchangeably in everyday conversation. For example,  medical records often show our weight in kilograms, but never in the correct units of newtons. In physics, however, there is an important distinction. Weight is the pull of the Earth on an object. It depends on the distance from the center of the Earth. Weight dramatically varies if we leave the Earth's surface, unlike mass, which does not vary with location. On the Moon, for example, the...
15.1K
Atomic Weight01:25

Atomic Weight

11.7K
Protons and neutrons have approximately the same mass, about 1.67 × 10-24 grams. Scientists arbitrarily define this amount of mass as one atomic mass unit (amu) or one Dalton. Electrons are much smaller in mass than protons, weighing only 9.11 × 10-28 grams, or about 1/1800 of an atomic mass unit. As a result, they do not contribute much to an element's overall atomic mass. This means that, when considering atomic mass, it is customary to ignore the mass of any electrons and...
11.7K

You might also read

Related Articles

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

Sort by
Same author

Calcium pyrophosphate crystal deposition with rotator cuff tear-A case report.

Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association·2023
Same author

Achromatic doublet electrowetting prism array for beam steering device in foveated display.

Optics express·2022
Same author

Simple method of acquiring high-quality light fields based on the chromatic aberration of only one defocused image pair.

Optics express·2021
Same author

Compact and fast depth sensor based on a liquid lens using chromatic aberration to improve accuracy.

Optics express·2021
Same author

Image stitching using an electrowetting-based liquid prism with a fabrication method.

Optics express·2021
Same author

Aromatic and Aliphatic Apiuronides from the Bark of <i>Cinnamomum cassia</i>.

Journal of natural products·2021

Related Experiment Video

Updated: Jan 21, 2026

Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display
09:04

Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display

Published on: January 14, 2020

10.3K

Low-noise high-efficiency double-phase hologram by multiplying a weight factor.

Yoo Kwang Kim, Jin Su Lee, Yong Hyub Won

    Optics Letters
    |August 2, 2019
    PubMed
    Summary

    A new weight factor double-phase hologram (DPH) method improves hologram quality by reducing noise and enhancing diffraction efficiency. This simple matrix operation method offers a 14.6% increase in peak signal-to-noise ratio compared to existing techniques.

    More Related Videos

    Using the GELFREE 8100 Fractionation System for Molecular Weight-Based Fractionation with Liquid Phase Recovery
    07:57

    Using the GELFREE 8100 Fractionation System for Molecular Weight-Based Fractionation with Liquid Phase Recovery

    Published on: December 3, 2009

    17.0K
    Fine-tuning the Size and Minimizing the Noise of Solid-state Nanopores
    09:43

    Fine-tuning the Size and Minimizing the Noise of Solid-state Nanopores

    Published on: October 31, 2013

    14.1K

    Related Experiment Videos

    Last Updated: Jan 21, 2026

    Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display
    09:04

    Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display

    Published on: January 14, 2020

    10.3K
    Using the GELFREE 8100 Fractionation System for Molecular Weight-Based Fractionation with Liquid Phase Recovery
    07:57

    Using the GELFREE 8100 Fractionation System for Molecular Weight-Based Fractionation with Liquid Phase Recovery

    Published on: December 3, 2009

    17.0K
    Fine-tuning the Size and Minimizing the Noise of Solid-state Nanopores
    09:43

    Fine-tuning the Size and Minimizing the Noise of Solid-state Nanopores

    Published on: October 31, 2013

    14.1K

    Area of Science:

    • Optics and Photonics
    • Digital Holography
    • Image Processing

    Background:

    • Existing double-phase hologram (DPH) methods suffer from low diffraction efficiency and peripheral noise.
    • These limitations hinder the practical application of DPH in generating high-quality phase-only holograms.

    Purpose of the Study:

    • To introduce a novel weight factor DPH method to overcome the limitations of existing DPH techniques.
    • To enhance diffraction efficiency and reduce peripheral noise in phase-only hologram generation.

    Main Methods:

    • A weight factor DPH method is proposed, utilizing a simple matrix operation without requiring additional computing power.
    • The optimal weight factor is determined for various image sizes.
    • Numerical simulations and optical experiments were performed for comparative analysis.

    Main Results:

    • The proposed weight factor DPH method significantly improves image quality compared to existing DPH and random phase methods.
    • A 14.6% improvement in peak signal-to-noise ratio was achieved with the proposed method.
    • The method effectively reduces peripheral noise and enhances diffraction efficiency.

    Conclusions:

    • The weight factor DPH method offers a computationally efficient and effective solution for generating high-quality phase-only holograms.
    • This advancement holds potential for improved holographic display and imaging applications.
    • The optimization of weight factors based on image size is crucial for maximizing performance.