Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Insensitive Nuclei Enhanced by Polarization Transfer (INEPT)

Insensitive Nuclei Enhanced by Polarization Transfer (INEPT)

Insensitive Nuclei Enhanced by Polarization Transfer (INEPT) is an advanced Nuclear Magnetic Resonance (NMR) technique specifically designed to detect and enhance the signals of low-abundance nuclei, such as carbon-13 and nitrogen-15, in small molecules. The fundamental principle behind INEPT is the transfer of polarization from a more abundant and highly polarizable nucleus, typically hydrogen-1, to the low-abundance nucleus of interest. This process effectively boosts the NMR signal of the...

G-Protein Gated Ion Channels

G-Protein Gated Ion Channels

GPCRs are primarily responsible for our sense of smell, taste, and vision. The binding of a sensory stimulus activates GPCR to stimulate effector proteins, many of which are ion channels in the sensory organs. GPCRs modulate the opening and closing of the target ion channels either directly by binding them, or by releasing second messengers that activate these channels. As ions move across the membrane, the membrane potential is altered, which induces an appropriate response.
Sensory...

You might also read

Related Articles

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

Sort by

Same author

An improved source of spin-polarized electrons based on spin exchange in optically pumped rubidium vapor.

The Review of scientific instruments·2023

Same author

A search for chiral asymmetry in secondary electron emission from cysteine induced by longitudinally polarized electrons.

The Journal of chemical physics·2023

Same journal

Compressed multi-scale entropy and its application in mechanical fault diagnosis.

The Review of scientific instruments·2026

Same journal

Bidirectional drive and multi-resolution adjustment across frequency bands in inertial impact piezoelectric motors via multimodal resonant vibration.

The Review of scientific instruments·2026

Same journal

A magnetic field sensor based on flaky Terfenol-D material and dual fiber grating.

The Review of scientific instruments·2026

Same journal

A novel E-field eight-way cavity combiner for high-power S-band applications.

The Review of scientific instruments·2026

Same journal

Constant radius blade spring suspended bench for vibration isolation.

The Review of scientific instruments·2026

Same journal

Qualification of infrared optical fibers and emitters for a spectrometer for in situ planetary exploration: Results from the TRIS (TRansmission and Illumination System) project.

The Review of scientific instruments·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jul 12, 2025

FM Dye Cycling at the Synapse: Comparing High Potassium Depolarization, Electrical and Channelrhodopsin Stimulation

FM Dye Cycling at the Synapse: Comparing High Potassium Depolarization, Electrical and Channelrhodopsin Stimulation

Published on: May 24, 2018

A simple, isotropic depolarized light source.

K D Foreman¹, T J Gay¹

¹Jorgensen Hall, University of Nebraska, Lincoln, Nebraska 68588-0299, USA.

The Review of Scientific Instruments

|October 27, 2023

Summary

This summary is machine-generated.

This study introduces a novel, low-cost light depolarizer that effectively produces unpolarized light using diffuse scattering. This new method overcomes limitations of conventional depolarizers, offering significantly reduced local polarization for optical experiments.

More Related Videos

Mapping the Cellular Distribution of an Optogenetic Protein Using a Light-Stimulation Grid

Mapping the Cellular Distribution of an Optogenetic Protein Using a Light-Stimulation Grid

Published on: January 26, 2024

Using Affordable LED Arrays for Photo-Stimulation of Neurons

Using Affordable LED Arrays for Photo-Stimulation of Neurons

Published on: November 15, 2011

Related Experiment Videos

Last Updated: Jul 12, 2025

FM Dye Cycling at the Synapse: Comparing High Potassium Depolarization, Electrical and Channelrhodopsin Stimulation

FM Dye Cycling at the Synapse: Comparing High Potassium Depolarization, Electrical and Channelrhodopsin Stimulation

Published on: May 24, 2018

Mapping the Cellular Distribution of an Optogenetic Protein Using a Light-Stimulation Grid

Mapping the Cellular Distribution of an Optogenetic Protein Using a Light-Stimulation Grid

Published on: January 26, 2024

Using Affordable LED Arrays for Photo-Stimulation of Neurons

Using Affordable LED Arrays for Photo-Stimulation of Neurons

Published on: November 15, 2011

Area of Science:

Optics and Photonics
Materials Science

Background:

Unpolarized light is crucial for many optical experiments, but natural sources are often impractical or weakly polarized.
Conventional light depolarizers average polarization across the beam, resulting in highly polarized local regions.
Existing methods struggle to produce truly unpolarized light suitable for sensitive laboratory applications.

Purpose of the Study:

To develop a simple, low-cost light depolarizer.
To achieve high-quality unpolarized light with minimal local polarization.
To characterize the performance of the novel depolarizer.

Main Methods:

Utilizing diffuse scattering principles for light depolarization.
Designing and fabricating a novel light depolarizer.
Measuring the total and local polarization of the transmitted light beam.
Analyzing the impact on beam intensity.

Main Results:

The developed light depolarizer achieves a total polarization of less than 1% for a 15-mm beam diameter.
Diffuse scattering results in minimal local polarization, with <6% for a 1.25-mm area.
The depolarizer demonstrates minimal impact on the transmitted beam's intensity.

Conclusions:

A simple, cost-effective light depolarizer based on diffuse scattering has been successfully demonstrated.
This device offers superior performance in reducing local polarization compared to standard commercial depolarizers.
The findings present a practical solution for generating high-quality unpolarized light in optical research.