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    • 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

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    (Image credit: Energetiq)
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    (Image credit: Coherent)
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    (Image credit: MKS Ophir)
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    (Image credit: M. Krůs and M. Londesborough, Czech Academy of Sciences, 2024)
    FIGURE 1. Anti-Octadecaborane isomer: blue = hydrogen, green = boron.
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    Highlights

    (Photo credit: Chromacity)
    FIGURE 1. A Chromacity engineer aligns an ultrafast fiber laser with second-harmonic generation.
    Lasers & Sources

    Ultrafast lasers drive nonlinear microscopy, environmental sensing, and quantum technologies

    Wojciech Gora
    Feb. 10, 2025
    Fiber-based ultrafast lasers—with pulses of one-tenth of one-trillionth of a second—continue to evolve, and near-term advances will expand their use to materials processing, nonlinear...
    (Image credit: Nativo Calavera)
    FIGURE 1. Transforming bacteria into solar-powered lasers: we extract light-harvesting structures from bacteria (left), enhance them with proprietary specially engineered lasing units (middle), and place them into a lasing cavity (right) to create a new type of laser that runs directly on sunlight. The natural light-gathering rings (green/purple) of purple bacteria measure 60-nm across and achieve near-perfect efficiency in energy transfer of captured photons.
    Lasers & Sources

    Bio-inspired approach to harvest sunlight and convert it into laser beams in space

    Erik Gauger
    Feb. 7, 2025
    A new way to power space missions piggybacks on bacteria's efficient light-harvesting abilities to create sunlight-powered lasers—and could enable power transmission between satellites...
    (Photo credit: Konstantin Vodopyanov/CREOL)
    The team’s dual-comb spectroscopy system produces precise and stable frequencies.
    Lasers & Sources

    Ultrabroadband UV frequency combs show promise for high-res atomic and molecular spectroscopy

    Sally Cole Johnson
    Jan. 15, 2025
    High-res dual-comb spectroscopy system generates light across two ultrabroadband ultraviolet (UV) spectral regions.
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    Podcasts

    PODCAST: Interview with Hagen Zimer, TRUMPF

    Justine Murphy
    Jan. 14, 2025
    Episode 34 of Following the Photons: A Photonics Podcast features Hagen Zimer, CEO of Laser Technology and Member of the Managing Board of TRUMPF SE + Co. KG.
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    NIF’s high-energy laser beams converge on a target at the center of the target chamber.
    Lasers & Sources

    It’s time for a fusion energy roadmap

    Hagen Zimer
    Dec. 19, 2024
    Growing energy demand coupled with global warming creates a unique opportunity for clean fusion energy. Now is the time for an international network to develop a realistic roadmap...

    Recommended

    (Image credit: LumeDEL)
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    Lasers & Sources

    Fiber-coupled LED source has use in spectroscopy

    LumeDEL LLC
    Dec. 31, 2024
    The NewDEL Model X4010 fiber-coupled LED source serves as a long-life replacement for halogen lamps.
    (Image credit: A. Stevens et al., Bioeng. Transl. Med.; https://doi.org/10.1002/btm2.10727)
    H&E staining on rat brain coronal slices from all treatment conditions at three days post-injury and four weeks post-injury. Images were taken from frontal cortex, corpus callosum, and choroid plexus (body of the lateral ventricle).
    Bio&Life Sciences

    Light therapy approach better treats brain injuries

    Justine Murphy
    Nov. 25, 2024
    Photobiomodulation could soon expand its effectiveness beyond tissue repair and pain management into the brain.
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    Laser Processing

    Laser cutting machine features smart cutting head

    Nov. 19, 2024
    The GV Series laser cutting machine provides up to 60-kW power for high-production cutting of materials up to 3.9 in. thick.
    (Image credit: Wavelength Electronics)
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    Software & Accessories

    Laser safety eyewear features high-optical density lenses

    Wavelength Electronics Inc
    Nov. 15, 2024
    Laser safety eyewear offering features CE certification to EN207 or EN208.
    (Image credit: SPIE)
    2025 SPIE Prism Award finalists and award recipients will be honored during a January 29th gala evening at SPIE Photonics West.
    Executive Forum

    SPIE names 2025 Prism Award finalists

    SPIE: The Int'l Society for Optics & Photonics
    Nov. 12, 2024
    Rapidly developing technology areas such as quantum, sensors, imaging, and biomedical showcase the range and variety of this year's entries and finalists.