• 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

    Credit: Photonics Industries International
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    FIGURE 1. Atomically resolved TEM image of a MoSe2 nanodot embedded in WSe2 matrix (a); low magnification TEM image shows MoSe2 nanodots (yellow arrows) dispersed in WSe2 matrix (b).
    Credit: Jacqueline Ramseyer Orrell/SLAC National Accelerator Laboratory
    Claudio Emma and Brendan O’Shea examine experimental apparatus at FACET-II in 2022. Credit: Jacqueline Ramseyer Orrell/SLAC National Accelerator Laboratory
    (Image credit: MRSI Mycronic)
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    (Image credit: Coherent)
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    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.

    Highlights

    (Image credit: CRAIC Technologies)
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    CRAIC Technologies
    April 21, 2025
    Scorpii advanced lighting systems include an array of light sources covering UV, visible, and near-infrared.
    (Image credit: Laser Components)
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    The 905 Array series multi-junction pulsed laser diodes are available with 2, 4, 8, 16, and 32 elements.
    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.
    Sally Cole Johnson
    April 16, 2025
    What happens when you combine diamond’s broad spectral transmission range and its Raman frequency shift characteristics with the wavelength-independent nature of vortex beam generation...
    (Image credit: ProPhotonix)
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    ProPhotonix Ltd
    April 14, 2025
    The UVC-Pro area UV light source offers uniform light at 265 nm.
    (Image credit: Modulight)
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    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.

    Recommended

    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...
    (Image credit: Chromacity)
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    March 25, 2025
    The Chromacity 520 femtosecond laser has use as a fixed wavelength source to deliver ultrashort pulses with pulse duration of 100 to 200 fs.
    (Credit: Phlux Technology)
    FIGURE 1. The functional elements of a time-of-flight (ToF) laser rangefinder (LRF) where the return signal is detected by an avalanche photodiode (APD).
    Ben White
    March 21, 2025
    By offering improved sensitivity, extended range, and faster recovery times, the latest generation of avalanche photodiodes (APDs) are poised to revolutionize the field of distance...
    FIGURE 1. Modeling of femtosecond pulse propagation can be achieved by solving the nonlinear Schrödinger equation via COMSOL; the inset is an image of a filament of plasma [2].
    George A. Chappell
    March 20, 2025
    Plasma channels produced by self-focusing ultrashort laser pulses can disrupt and deflect laser beams and may offer a future defense against adversarial laser systems.
    (Image credit: EPIGAP OSA Photonics)
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    The OCL-480 GIR single-chip broadband LED source emits a broad spectrum from 420 to 1050 nm,