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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.

    Recent

    (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).
    (Image credit: Gigahertz-Optik)
    gigahertzoptik
    © Endeavor Business Media
    lfw_ftpdaniel_shaddockgraphiclandscape
    (Image credit: 4D Technology)
    4d_technology
    (Photo credit: Chalmers University of Technology)
    Researcher Minghao Qi, a professor at Purdue University, with the team’s setup.
    (Image credit: Specialised Imaging)
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    Highlights

    (Photo credit: William P.D. Hayes/Columbia Engineering)
    Natalie Fardian-Melamed in the lab working on a combo scanning probe—an inverted-optical microscope to explore single photon avalanching nanocrystal mechano-optics and photophysics. (Photo credit: William P.D. Hayes/Columbia Engineering)
    Test & Measurement

    All-optical nanoscale sensor of force changes intensity when pushed or pulled

    Sally Cole Johnson
    Feb. 27, 2025
    Researchers discover photon avalanching nanoparticles are supersensitive to mechanical force—and nanosensors they went on to create are poised to redefine what’s possible in terms...
    (Image credit: Metrohm)
    metrohm
    Test & Measurement

    Raman analyzer offers advanced data algorithms

    Metrohm USA
    Feb. 19, 2025
    The TacticID-1064 ST performs material identification using see-through Raman technology.
    (Image credit: SMART DiSTAP)
    Lead researchers Dr. Song Wang (left), a research scientist at SMART DiSTAP, and Dr. Yangyang Han (right), a senior postdoctoral associate at SMART DiSTAP.
    Bio&Life Sciences

    First-of-its-kind chromatic sensor detects plant distress

    Justine Murphy
    Feb. 17, 2025
    It’s not always easy to tell if a plant is dehydrated, and sometimes it’s too late to save it. But a sensor designed by an international team of scientists detects distress in...
    © Endeavor Business Media
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    Podcasts

    PODCAST: Interview with Mateja Lampe Rupnik, Red Pitaya

    Justine Murphy
    Feb. 4, 2025
    Episode 37 of Following the Photons: A Photonics Podcast features Mateja Lampe Rupnik, CEO at Red Pitaya. The company specializes in high-performance, open-source hardware instruments...
    (Image credit: MKS Ophir)
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    Test & Measurement

    Industrial power meter has use in Li-ion battery welding

    Ophir, an MKS Instruments Brand
    Jan. 30, 2025
    The Helios Pro industrial power meter measures high-power lasers with power ranges from 100 W to 12 kW.
    (Image credit: Keyence)
    keyence
    Test & Measurement

    3D laser snapshot sensor features high-intensity blue laser light source

    KEYENCE Corp of America
    Dec. 29, 2024
    The LJ-S Series 3D laser snapshot sensors are calibrated measurement devices.
    (Image credit: CRAIC Technologies)
    craic_technologies
    Detectors & Imaging

    Confocal Raman microscope supports multimodal imaging techniques

    CRAIC Technologies
    Dec. 21, 2024
    The Apollo M confocal Raman microscope is designed for materials research, nanotechnology, and semiconductor analysis.
    (Image credit: Exalos)
    exalos
    Lasers & Sources

    Fabry-Perot laser diodes have use in spectroscopy

    Exalos AG
    Dec. 9, 2024
    488-nm Fabry-Perot laser diodes are based on aluminum indium nitride layers.
    (Image credit: BOLD Laser Automation)
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    Laser Processing

    Confocal thickness measurement system offers 1-µm measurement accuracy

    BOLD Laser Automation Inc
    Dec. 3, 2024
    The Bold 3DS Series confocal thickness measurement system is engineered for sheet and web/foil materials up to 1 m × 500 mm.