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

Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...

You might also read

Related Articles

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

Sort by
Same author

Dominant Role of Electron-Electron Scattering in the Photoinduced Terahertz Conductivity Spectra of Few-Layer WS<sub>2(1-<i>x</i>)</sub>Se<sub>2<i>x</i></sub> Flakes.

ACS nano·2026
Same author

Giant Helicity-Dependent Second Harmonic Generation in Type-2 Weyl Semimetal.

Physical review letters·2026
Same author

Reentrant melting of scarred odd crystals by self-shear.

Nature communications·2026
Same author

Origins of electrostriction of MoS<sub>2</sub> and HfS<sub>2</sub> in 2 and 3 dimensional 1T and 2H structures.

Nanoscale·2026
Same author

Phase I trial of neratinib plus palbociclib in advanced cancers with HER family alterations.

ESMO open·2025
Same author

Interlayer Phonon Coupling and Enhanced Electron-Phonon Interactions in Doubly Aligned hBN/Graphene/hBN Heterostructures.

ACS nano·2025

Related Experiment Video

Updated: Jul 7, 2026

Controlled Synthesis and Fluorescence Tracking of Highly Uniform Poly(N-isopropylacrylamide) Microgels
11:34

Controlled Synthesis and Fluorescence Tracking of Highly Uniform Poly(N-isopropylacrylamide) Microgels

Published on: September 8, 2016

Lasing in active, sub-mean-free path-sized systems with dense, random, weak scatterers.

B R Prasad, H Ramachandran, A K Sood

    Applied Optics
    |February 12, 2008
    PubMed
    Summary

    We observed enhanced light emission and gain narrowing in Rhodamine 590 dye within a microsphere suspension. A new probabilistic model explains these effects in highly scattering, high-gain media.

    More Related Videos

    Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing
    06:16

    Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing

    Published on: April 25, 2019

    Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
    15:06

    Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

    Published on: January 3, 2016

    Related Experiment Videos

    Last Updated: Jul 7, 2026

    Controlled Synthesis and Fluorescence Tracking of Highly Uniform Poly(N-isopropylacrylamide) Microgels
    11:34

    Controlled Synthesis and Fluorescence Tracking of Highly Uniform Poly(N-isopropylacrylamide) Microgels

    Published on: September 8, 2016

    Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing
    06:16

    Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing

    Published on: April 25, 2019

    Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
    15:06

    Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

    Published on: January 3, 2016

    Area of Science:

    • Optics and Photonics
    • Materials Science
    • Physical Chemistry

    Background:

    • Stimulated emission in dye-solution systems is crucial for laser technology.
    • Understanding light transport in scattering media is complex, especially with gain.
    • Previous models often assume weak scattering or small systems.

    Purpose of the Study:

    • To investigate enhanced emission and gain narrowing in Rhodamine 590 perchlorate dye.
    • To explore the effects of polystyrene microsphere suspensions on dye emission.
    • To develop a theoretical framework for radiative transfer in high-gain, scattering media.

    Main Methods:

    • Systematic experimental studies of Rhodamine 590 perchlorate dye.
    • Utilizing aqueous suspensions of polystyrene microspheres as scattering media.
    • Varying dye concentrations and scatterer number densities.
    • Developing a novel probabilistic approach to radiative transfer.

    Main Results:

    • Observed enhanced emission and significant gain narrowing.
    • Demonstrated that the transport mean free path exceeded system size.
    • Showcased the inapplicability of conventional diffusive-reactive approximations.
    • Validated the new probabilistic model against experimental data.

    Conclusions:

    • Enhanced emission and gain narrowing are achievable in Rhodamine 590 dye/microsphere systems.
    • A new probabilistic model accurately describes radiative transfer in dense, random, weak scatterers with high gain.
    • Sub-mean-free-path scatterings play a critical role in high-gain amplification.