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

Raman Spectroscopy Instrumentation: Overview01:26

Raman Spectroscopy Instrumentation: Overview

240
A conventional Raman spectrophotometer includes a laser source, a sample holding system, a wavelength selector, and a detector.
The monochromatic laser source, typically using visible or near-infrared radiation, generates a highly focused beam of light. This light interacts with the molecules of the sample, scattering some of the light. Liquid and gaseous samples are usually tested in ordinary glass capillaries, while solids can be analyzed as powders packed in capillaries or as potassium...
240
Raman Spectroscopy: Overview01:20

Raman Spectroscopy: Overview

262
The underlying principle of Raman spectroscopy is based on the interaction between light and matter, specifically molecules' inelastic scattering of photons. When a monochromatic beam of light, typically from a laser source, interacts with a sample, most scattered light has the same frequency as the incident light. This is known as Rayleigh scattering.
However, a small fraction of the scattered light exhibits a frequency shift due to the exchange of energy between the incident photons and...
262

You might also read

Related Articles

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

Sort by
Same author

Decoding the spatiotemporal development of human meninges.

Cell·2026
Same author

CTHRC1 drives megakaryocyte-mediated immunotherapy resistance in esophageal squamous cell carcinoma via the integrin αIIbβ3/Rap1 pathway and is targetable by mRNA vaccination.

Molecular cancer·2026
Same author

The integration of peptoid and phosphorothioate aptamer into electrochemical biosensors for the robust antifouling detection of prostate-specific antigen in human serum.

Analytica chimica acta·2026
Same author

Trends and inequities in fall- and musculoskeletal disorder-related mortality among U.S. adults aged 65 years and older, 1999-2023.

Frontiers in public health·2026
Same author

Heavy metals, gastrointestinal polymer-related materials, and gut microbiome in an Indo-Pacific bottlenose dolphin (Tursiops aduncus) recovered from a fisheries bycatch-related event in the East China Sea.

Ecotoxicology and environmental safety·2026
Same author

Preparation of a Novel Nanofiltration Membrane and Study of Its Process for Removing Divalent Ions from Xinjiang Oilfield Wastewater.

Membranes·2026
Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026
Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026
Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026
Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026
Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026
Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026
See all related articles

Related Experiment Video

Updated: May 9, 2025

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
08:48

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

7.5K

Mode structure evolution of a modeless multiwavelength Raman fiber laser.

Yanxin Li, Jiancheng Deng, Sergei K Turitsyn

    Optics Letters
    |May 1, 2025
    PubMed
    Summary
    This summary is machine-generated.

    Researchers developed a modeless multiwavelength Raman fiber laser (MRFL) using a Sagnac loop mirror (SLM). This laser achieves a stable temporal intensity distribution by broadening longitudinal modes to a modeless state.

    More Related Videos

    Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
    14:18

    Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

    Published on: February 28, 2016

    11.3K
    Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
    12:21

    Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators

    Published on: April 4, 2016

    11.2K

    Related Experiment Videos

    Last Updated: May 9, 2025

    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
    08:48

    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

    Published on: November 22, 2019

    7.5K
    Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
    14:18

    Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

    Published on: February 28, 2016

    11.3K
    Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
    12:21

    Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators

    Published on: April 4, 2016

    11.2K

    Area of Science:

    • Optics and Photonics
    • Laser Physics
    • Fiber Lasers

    Background:

    • Multiwavelength Raman fiber lasers (MRFLs) are crucial for various applications.
    • The longitudinal mode structure of MRFLs directly influences the temporal properties of laser radiation.

    Purpose of the Study:

    • To demonstrate a modeless multiwavelength Raman fiber laser (MRFL).
    • To investigate the role of a low-reflection Sagnac loop mirror (SLM) in achieving a modeless state and stable temporal intensity distribution.

    Main Methods:

    • Utilizing a low-reflection Sagnac loop mirror (SLM) within the laser cavity.
    • Analyzing the evolution of longitudinal mode structure with varying pump power.

    Main Results:

    • At low pump power, the MRFL shows a discrete multi-longitudinal mode structure.
    • Increasing pump power causes mode broadening, overlap, and decoherence.
    • The low-reflection SLM effectively promotes the transition to a modeless state.
    • The modeless MRFL demonstrates a highly stable temporal intensity distribution.

    Conclusions:

    • A novel modeless MRFL design based on a low-reflection SLM is presented.
    • The SLM facilitates the control of longitudinal mode structure, leading to enhanced temporal stability.
    • This work offers a pathway to stable, modeless operation in multiwavelength fiber lasers.