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

Absorption of Radiation01:05

Absorption of Radiation

The rate of heat transfer by emitted radiation is described by the Stefan-Boltzmann law of radiation:
Joule-Thomson Effect01:21

Joule-Thomson Effect

The Joule-Thomson effect, also known as the Joule-Kelvin effect, describes the temperature change of a fluid when it is forced through a valve or porous plug while keeping it in a thermally insulated environment. This experiment is called a throttling process. This is an important effect widely used in refrigeration and the liquefaction of gases.
This experiment forces high-pressure gas through a throttle valve or a porous plug to a lower-pressure region. The gas expands as it passes through to...
Thermal Sigmatropic Reactions: Overview01:16

Thermal Sigmatropic Reactions: Overview

Sigmatropic rearrangements are a class of pericyclic reactions in which a σ bond migrates from one part of a π system to another. These are intramolecular rearrangements where the total number of σ and π bonds remain unchanged.
Sigmatropic shifts are classified based on an order term [i, j ], where i and j indicate the number of atoms across which each end of the σ bond migrates. Below are examples of a [3,3] sigmatropic shift in 1,5-hexadiene, referred to as...

You might also read

Related Articles

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

Sort by
Same author

Establishing an end-to-end workflow for SNSPD fabrication and characterization.

Scientific reports·2024
Same author

Low noise near-concentric optical cavity design.

The Review of scientific instruments·2024
Same author

Absolute clock synchronization with a single time-correlated photon pair source over a 10 km optical fibre.

Optics express·2022
Same author

Fibre polarisation state compensation in entanglement-based quantum key distribution.

Optics express·2021
Same author

Coupling light to higher order transverse modes of a near-concentric optical cavity.

Optics express·2021
Same author

Wide-range wavelength-tunable photon-pair source for characterizing single-photon detectors.

Optics express·2021

Related Experiment Video

Updated: Jun 12, 2026

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography
11:34

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

Published on: May 15, 2017

Distinguishing thermal and pseudothermal light by testing the Siegert relation.

Xi Jie Yeo, Justin Yu Xiang Peh, Darren Ming Zhi Koh

    Optics Express
    |June 11, 2026
    PubMed
    Summary

    Genuine thermal light exhibits photon bunching. This study tests the Siegert relation for pseudothermal light sources, comparing scattered laser light and gas discharge lamp emissions to thermal light criteria.

    More Related Videos

    High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
    09:01

    High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

    Published on: April 16, 2017

    Related Experiment Videos

    Last Updated: Jun 12, 2026

    Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography
    11:34

    Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

    Published on: May 15, 2017

    High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
    09:01

    High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

    Published on: April 16, 2017

    Area of Science:

    • Quantum Optics
    • Photon Statistics
    • Thermal Radiation

    Background:

    • Thermal light sources, like blackbody radiation and spontaneous emission, display photon bunching.
    • Pseudothermal light sources offer higher brightness and coherence but may not fully mimic genuine thermal light behavior.
    • The Siegert relation is a fundamental criterion for characterizing thermal light.

    Purpose of the Study:

    • To develop and apply a method for directly testing the Siegert relation.
    • To investigate whether photon-bunched pseudothermal light sources satisfy thermal light criteria.

    Main Methods:

    • Experimental setup to generate photon-bunched light from scattered laser light (rotating ground glass).
    • Experimental setup to generate photon-bunched light from spontaneously emitted light (gas discharge lamp).
    • Direct measurement and analysis of light properties to test the Siegert relation.

    Main Results:

    • Demonstration of a method to directly probe the Siegert relation for photon-bunched light.
    • Comparison of the behavior of scattered laser light and gas discharge lamp emissions against the Siegert relation.

    Conclusions:

    • The study provides a direct test for the fundamental properties of thermal light.
    • Findings contribute to understanding the limitations of pseudothermal light sources in replicating genuine thermal light characteristics.