• Lasers & Sources

    The laserfocusworld.com Lasers & Sources channel features articles and other content that discuss the design and applications of all types of lasers, amplifiers, and other advanced sources like LEDs.

    Recent

    (Image credit: Coherent)
    coherent
    Credit: WIGNER CRP Budapest
    FIGURE 1. Tamás Biró and Norbert Kroó in the Hidra laser lab at WIGNER CRP; the vacuum chamber in the foreground is used for the target.
    (Image credit: CRAIC Technologies)
    craic_technologies
    (Image credit: Laser Components)
    laser_components
    Credit: Zhenxu Bai
    The team’s diamond Raman vortex laser experimental optical platform with Zhenxu Bai (left) and Hui Chen (right) of the paper. A physical image of the device is also shown on the right-hand monitor in the background.
    (Image credit: ProPhotonix)
    prophotonix

    Highlights

    (Image credit: Modulight)
    modulight
    Modulight Inc
    April 11, 2025
    The ML6600 laser module provides 355, 405, 488, 532, 561, and 638 nm, delivered via fiber-coupled or free-space beam options.
    Credit: Jacqueline Ramseyer Orrell/SLAC National Accelerator Laboratory
    Shubhadeep Biswas, then-SLAC project scientist (left), and Matthias Kling, professor of photon science and applied physics at Stanford University and the director of the Science, Research and Development Division at SLAC's Linac Coherent Light Source (the laser isn’t on).
    Shubhadeep Biswas
    April 9, 2025
    The first attosecond measurement of how electrons excited by ultrafast light pulses dance in unison around a particle—less than a nanometer in diameter—demonstrates valuable insights...
    Credit: VitreaLab
    FIGURE 1. VitreaLab’s quantum light chip (QLC) emits hundreds of laser beams.
    Photonics companies in Europe are addressing microdisplay manufacturing challenges.
    (Image credit: Exalos)
    exalos
    Exalos AG
    April 6, 2025
    A line of distributed-feedback (DFB) lasers is based on gallium nitride (GaN) semiconductors.
    A new route to chaos: Starting from a subharmonic frequency (the single peak), sidebands emerge as the control parameters is tuned (the modulated subharmonic state). Many frequencies form a very broad spectrum, which indicates chaos is being generated.
    Sally Cole Johnson
    April 4, 2025
    An unexpected modulated subharmonic route to chaos via a breathing soliton laser discovered by an international team of scientists extends laser chaos from Maxwell-Bloch equations...

    Recommended

    Credit: Aeluma, Inc.
    Aeluma’s 300-mm III-V-on-silicon deposition (left) and selective-area heteroepitaxy on 300-mm silicon photonics (right).
    Bei Shi
    April 1, 2025
    How can we scale optical interconnect technology for next-gen systems? One solution is silicon photonics that integrate quantum dot optical gain.
    ID 10581101 © Dennis Thompson | Dreamstime.com
    dreamstime_xxl_10581101
    Sally Cole Johnson
    March 5, 2025
    The U.S. Government Accountability Office (GAO) recently issued a report about laser comms being built to support a network of Department of Defense (DoD) satellites—and recommends...
    (Image credit: Coherent)
    coherent
    Coherent Corp
    March 5, 2025
    The Chameleon Discovery LX femtosecond laser provides ultrashort 100-fs pulses.
    (Photo credit: WMG, the University of Warwick)
    Attendees observe a hands-on demonstration of Civan Lasers’ OPA6 dynamic beam laser, showcasing real-time beam shaping capabilities for industrial applications.
    Pasquale Franciosa
    Feb. 27, 2025
    Lasers-as-a-service takes off within Europe and is poised to revolutionize the use of lasers for industrial servitization.
    (Image credit: ams OSRAM)
    ams_osram
    Feb. 25, 2025
    The OSLON UV 3535 UVC LED offers 115 mW from a single chip at 265 nm.