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

Energy scaling and propagation properties of Laguerre-Gauss modes in gas-filled multipass cells.

Optics express·2026
Same author

UV electro-optic frequency comb hybrid fiber/bulk laser system for molecular wind lidar.

Optics express·2026
Same author

Low-noise generation of UV dispersive waves at 100 kHz.

Optics letters·2026
Same author

Indirectly LED-pumped Nd:glass regenerative amplifier.

Optics express·2026
Same author

Passively Q-switched Tm:YLF laser at 2.3 µm: instability analysis and stabilization.

Optics letters·2026
Same author

Coherent beam combining strategies for high-energy and high-repetition rate lasers dedicated to inertial nuclear fusion applications.

Optics express·2025
Same journal

Long-term stabilization of intensity-difference squeezing from four-wave mixing in rubidium vapor.

Optics express·2026
Same journal

Robust 3D topography measurement of large-range high-aspect-ratio structures based on dual-domain statistical filtering in SD-OCT.

Optics express·2026
Same journal

Broadband transmissive terahertz metasurface for simultaneous quad-mode OAM multiplexing.

Optics express·2026
Same journal

Leveraging two-dimensional materials for high-sensitivity optical sensors: quasi-bound states in the continuum within hybrid metasurfaces.

Optics express·2026
Same journal

Resolution investigation for dual-spherical-wave optical scanning holographic microscopy: methods and performance.

Optics express·2026
Same journal

Robustness of parallel subnetwork-filtered diffractive deep neural networks.

Optics express·2026
See all related articles

Related Experiment Video

Updated: Jan 11, 2026

Three-dimensional Optical-resolution Photoacoustic Microscopy
08:31

Three-dimensional Optical-resolution Photoacoustic Microscopy

Published on: May 3, 2011

18.8K

LED pumped alexandrite multipass amplifier designed for acousto-optic imaging.

Elio Thellier, Hussein Taleb, Frederic Druon

    Optics Express
    |November 11, 2025
    PubMed
    Summary
    This summary is machine-generated.

    Researchers developed a novel alexandrite laser amplifier using blue LEDs and a luminescent concentrator. This system achieves a record single-pass gain, paving the way for enhanced in vivo acousto-optic imaging.

    More Related Videos

    Switchable Acoustic and Optical Resolution Photoacoustic Microscopy for In Vivo Small-animal Blood Vasculature Imaging
    10:17

    Switchable Acoustic and Optical Resolution Photoacoustic Microscopy for In Vivo Small-animal Blood Vasculature Imaging

    Published on: June 26, 2017

    12.4K
    Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy
    09:57

    Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

    Published on: July 25, 2022

    4.5K

    Related Experiment Videos

    Last Updated: Jan 11, 2026

    Three-dimensional Optical-resolution Photoacoustic Microscopy
    08:31

    Three-dimensional Optical-resolution Photoacoustic Microscopy

    Published on: May 3, 2011

    18.8K
    Switchable Acoustic and Optical Resolution Photoacoustic Microscopy for In Vivo Small-animal Blood Vasculature Imaging
    10:17

    Switchable Acoustic and Optical Resolution Photoacoustic Microscopy for In Vivo Small-animal Blood Vasculature Imaging

    Published on: June 26, 2017

    12.4K
    Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy
    09:57

    Multiplex Chemical Imaging Based on Broadband Stimulated Raman Scattering Microscopy

    Published on: July 25, 2022

    4.5K

    Area of Science:

    • Laser physics
    • Optical engineering

    Background:

    • Alexandrite lasers are crucial for various applications, but efficient pumping methods are needed.
    • Semiconductor-based pump sources offer potential for cost-effective and robust laser systems.

    Purpose of the Study:

    • To demonstrate an alexandrite multipass amplifier pumped by blue LEDs via a luminescent concentrator.
    • To achieve high gain and explore its potential for advanced imaging techniques.

    Main Methods:

    • Utilized blue LEDs coupled to a luminescent concentrator to pump an alexandrite crystal.
    • Implemented a 16-pass multipass configuration for the amplifier.
    • Injected the amplifier with a single-frequency laser operating at 761 nm.

    Main Results:

    • Achieved a single-pass gain of 1.38, the highest reported for a semiconductor-pumped alexandrite laser.
    • Obtained a total gain of 34 after 16 passes.
    • Delivered µs pulses with a peak power of 14 W.

    Conclusions:

    • The developed luminescent concentrator-pumped alexandrite amplifier demonstrates a significant advancement in laser technology.
    • The high gain and power output show promise for improving penetration depth in in vivo acousto-optic imaging.