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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.

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    VIAVI Solutions
    (Image credit: Instrument Systems)
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    (Image credit: SPIE)
    2025 SPIE Prism Award finalists and award recipients will be honored during a January 29th gala evening at SPIE Photonics West.
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    (Image credit: CRAIC Technologies)
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    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: Ibsen Photonics)
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    Test & Measurement

    Spectrometer features transmission grating-based design

    LFW Staff
    Sept. 26, 2024
    The EAGLE C-OCT-S is an athermal, compact spectrometer, suited for spectral-domain optical coherence tomography (OCT).
    (Image credit: Gigahertz-Optik)
    gigahertzoptik
    Test & Measurement

    Sampling integrating sphere measures flat, convex, and concave displays

    LFW Staff
    Sept. 14, 2024
    The ISMS-30-VAS is built around a 300-mm-diameter integrating sphere with two LED-based light sources.
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    Executive Forum

    Photonics IP Update: August 2024

    Iain McIntyre
    Sept. 6, 2024
    This roundup summarizes photonics-related patent litigation and Patent Office procedures for August 2024.
    (Image credit: Marktech Optoelectronics)
    Detectors & Imaging

    Multiple SWIR wavelength emitter-detector has use in IR spectroscopy

    LFW Staff
    Sept. 4, 2024
    The MTMD142345PDT38 multiwavelength shortwave-infrared (SWIR) wavelength emitter-detector provides SWIR detection in the 600–1750 nm range.