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

You might also read

Related Articles

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

Sort by
Same author

Application of Laser-Induced Breakdown Spectroscopy for Measuring Chromium Concentration in Chromium-Doped Zinc Selenide (Cr:ZnSe) Laser Materials.

Applied spectroscopy·2025
Same author

Efficient high-power continuous-wave multi-slab Fe:ZnSe laser at 4.1 μm.

Optics express·2025
Same author

Phase noise characterization of a Cr:ZnS frequency comb using subspace tracking.

Optics letters·2025
Same author

Author Correction: The genetic origin of the Indo-Europeans.

Nature·2025
Same author

The genetic origin of the Indo-Europeans.

Nature·2025
Same author

Transient CAR T cells with specificity to oncofetal glycosaminoglycans in solid tumors.

EMBO molecular medicine·2024
Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026
Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026
Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026
Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026
Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026
Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026
See all related articles

Related Experiment Video

Updated: Mar 15, 2026

High-speed Particle Image Velocimetry Near Surfaces
11:59

High-speed Particle Image Velocimetry Near Surfaces

Published on: June 24, 2013

33.9K

140 W Cr:ZnSe laser system.

Igor Moskalev, Sergey Mirov, Mike Mirov

    Optics Express
    |September 9, 2016
    PubMed
    Summary
    This summary is machine-generated.

    Researchers achieved high-power continuous-wave (CW) laser systems using chromium-doped zinc sulfide (Cr2+:ZnS) and selenide (Cr2+:ZnSe) gain media. Their novel scanning technique virtually eliminated thermal lensing, enabling record output power and efficiency.

    More Related Videos

    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

    11.6K
    Scalable Stamp Printing and Fabrication of Hemiwicking Surfaces
    06:16

    Scalable Stamp Printing and Fabrication of Hemiwicking Surfaces

    Published on: December 18, 2018

    7.7K

    Related Experiment Videos

    Last Updated: Mar 15, 2026

    High-speed Particle Image Velocimetry Near Surfaces
    11:59

    High-speed Particle Image Velocimetry Near Surfaces

    Published on: June 24, 2013

    33.9K
    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

    11.6K
    Scalable Stamp Printing and Fabrication of Hemiwicking Surfaces
    06:16

    Scalable Stamp Printing and Fabrication of Hemiwicking Surfaces

    Published on: December 18, 2018

    7.7K

    Area of Science:

    • Laser physics
    • Materials science
    • Optical engineering

    Background:

    • Development of high-power continuous-wave (CW) laser systems is crucial for various scientific and industrial applications.
    • Chromium-doped chalcogenides (Cr2+:ZnS and Cr2+:ZnSe) are promising gain media for mid-infrared lasers.
    • Thermal lensing effects in high-power laser systems can significantly limit output power and efficiency.

    Purpose of the Study:

    • To develop a novel fiber-pumped CW laser system utilizing Cr2+:ZnS and Cr2+:ZnSe gain media.
    • To overcome thermal lensing limitations in high-power laser operation.
    • To achieve high output power and optical efficiency at specific mid-infrared wavelengths.

    Main Methods:

    • Utilized Cr2+:ZnS and Cr2+:ZnSe as gain media in a fiber-pumped laser setup.
    • Implemented a novel technique involving rapid simultaneous scanning of the laser mode and pump beam across the gain element.
    • Collinear alignment of the laser mode and pump beam was maintained during scanning.

    Main Results:

    • Demonstrated output power levels of up to 140 W near 2500 nm with 62% optical efficiency.
    • Achieved 32 W output power at 2940 nm with 29% optical efficiency.
    • The scanning method effectively mitigated thermal lensing, enabling unprecedented power levels and high optical-to-optical efficiency.

    Conclusions:

    • The developed fiber-pumped laser system represents a significant breakthrough in high-power CW laser technology.
    • The novel scanning approach is highly effective in suppressing thermal lensing, paving the way for more powerful mid-infrared laser sources.
    • Cr2+:ZnS and Cr2+:ZnSe gain media, combined with advanced beam manipulation, offer a promising route for efficient high-power laser generation.