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    • Test & Measurement

    The laserfocusworld.com Test & Measurement channel features articles and other content that discuss components and systems to quantify photonics.

    Highlights

    (Image credit: Lumotive)
    Lumotive’s LM10 chip is designed for a wide range of LiDAR systems.
    Test & Measurement

    Open platforms promise to revolutionize 3D sensing

    Raj Kulkarni
    Oct. 10, 2024
    Modular platforms are poised to revolutionize the 3D sensing arena by tailoring components for precise needs—such as automotive, industrial automation, or service robotics—and...
    (Photo credit: Exail)
    Deployed on the top of Mount Etna since 2020 by the Italian National Institute of Geophysics and Volcanology (INGV), Exail’s Absolute Quantum Gravimeter has demonstrated its capability to detect minute gravity variations induced by magmatic activities.
    Test & Measurement

    Expanding quantum technology capabilities

    Bruno Desruelle
    Oct. 9, 2024
    Exail, a global industrial company within the field of photonics and quantum technologies, was the first to commercialize industry-grade quantum gravity sensors. Its success in...
    (Image credit: Feihu Xu, University of Science and Technology of China)
    A compact and lightweight single-photon airborne LiDAR system could enhance air and space applications such as 3D terrain mapping.
    Test & Measurement

    Airborne LiDAR system advances 3D mapping, terrain imaging

    Justine Murphy
    Sept. 26, 2024
    A compact, energy-efficient LiDAR system makes airborne applications—including environmental monitoring and 3D terrain mapping—much more accurate.
    (Image credit: Texas A&M University)
    The portable smartphone-based Raman spectrometer system is capable of detecting and analyzing chemicals and other materials in the field.
    Test & Measurement

    Smartphone-based Raman spectrometer is cost-effectively convenient

    Justine Murphy
    Sept. 20, 2024
    From texting and navigation to banking and video streaming, smartphones are among the most multifaceted technologies ever developed. And now, chemical detection has joined its...
    (Image credit: CREOL)
    FIGURE 1. Experimental setup: Second-harmonic generation (SHG); intrapulse difference frequency generation (IDFG); electro-optic sampling (EOS); λ/4 (quarter-wave plate); mid-infrared (MIR).
    Test & Measurement

    Dual-comb spectroscopy measures 240,000 spectral points in longwave infrared at video rate

    Dmitrii Konnov
    Sept. 9, 2024
    Spectrometry system obtains absorption spectra of gaseous molecules over a spectral range of 1.5 to 45 THz, with up to 240,000 spectral data points in a single measurement spanning...
    (Image credit: S. Feng et al./Guangdong University of Technology)
    Bio&Life Sciences

    3D-printed chip detects multiple foodborne bacteria

    Justine Murphy
    Aug. 9, 2024
    Conventional detection methods used to identify pathogens in food, such as DNA sequencing and cell cultures, are effective, but contamination can happen. A 3D-printed microfluidic...
    (Image credit: Automated Precision)
    Test & Measurement

    Multi-axis laser interferometer features internal antenna

    LFW Staff
    Aug. 7, 2024
    The XD Laser multi-axis laser interferometer includes improved thermal stability to maintain accuracy and reliability under varying thermal conditions.
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    2024 Innovators Awards: Meet the honorees

    Peter Fretty
    Aug. 5, 2024
    This year’s honorees represent a who’s who within the growing photonics and optics market.
    (Image credit: HÜBNER Photonics)
    Lasers & Sources

    Ultrafast fiber laser offers 1000–1100 nm spectral bandwidth

    LFW Staff
    Aug. 1, 2024
    The VALO Tidal ultrafast fiber laser delivers pulse durations of 40 fs (typical) with 2 W output power.