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  • Test & Measurement

    • Spectroscopy

    Recent

    (Image credit: Professor Ana C.M. Rodrigues/CeRTEV)
    Making specialty glass in the laboratory by quickly cooling the glass melt on a cold metal slate (melt-quenching).
    (Courtesy of Gowerlabs)
    FIGURE 1. The researchers use LUMO, a wearable, portable, high-density functional NIR imaging device equipped with modular tiles with built-in NIR light sources and detectors.
    FIGURE 1. International shipping is a major producer of greenhouse gas emissions and air pollutants, contributing to rising temperatures, climate change, and premature cardiopulmonary and lung cancer deaths.
    (Photo credit: Charles Jischke, Purdue University)
    FIGURE 1. Purdue researcher Bartek Rajwa (left) and Purdue postdoctoral fellow Sungho Shin review data produced with a portable LIBS spectroscopy device.
    (Courtesy of Lei Yang, Hefei University of Technology)
    FIGURE 1. Laser-induced breakdown spectroscopy (LIBS) experimental system.
    (Image credit: Rohit Chikkaraddy/University of Birmingham)
    MIR vibrationally assisted luminescence (MIRVAL).

    Highlights

    (Courtesy of Dwight Coleman)
    FIGURE 1. InVADER project leader Pablo Sobron explains the system’s mission to the team of scientists onboard E/V Nautilus before ocean deployment.
    Test & Measurement

    Robotic vehicle plunges into ocean exploration with an optical sensing platform

    Justine Murphy
    Aug. 9, 2023
    An optical sensing platform is helping identify, analyze, and catalog marine minerals and biodiversity along the sea floor. And as the technology matures, researchers say extraterrestri...
    Essent Optics
    Test & Measurement

    Spectrophotometer measures LWIR-optimized optical coatings

    LFW Staff
    Aug. 9, 2023
    The PHOTON RT 7512 spectrophotometer performs transmission and reflection measurements of plano-optics with coatings optimized for LWIR.
    Craic Technologies
    Test & Measurement

    Microspectrophotometer has 200–2500 nm spectral range

    LFW Staff
    July 24, 2023
    The 2030XL PRO microspectrophotometer provides nondestructive analysis of microscopic areas of very large samples.
    Horiba Scientific
    Detectors & Imaging

    Microscope features 300 × 300 mm automated sample stage

    LFW Staff
    June 10, 2023
    The LabRAM Odyssey Semiconductor microscope provides photoluminescence and Raman imaging on wafers up to 300 mm diameter.
    (Courtesy of RÜBIG)
    (Courtesy of RÜBIG)
    Test & Measurement

    Industrial surface hardening: Shining a light on process control

    Ibrahim Sadiek
    May 10, 2023
    Mid-infrared frequency comb spectroscopy shines the way to dynamic process control of plasma nitriding.
    (Courtesy of Wasatch Photonics)
    FIGURE 1. Low f/# transmission spectrometers offer greater sensitivity for Raman spectroscopy than traditional f/4 crossed Czerny-Turner spectrometers.
    Test & Measurement

    Choosing a portable Raman spectrometer

    Cicely Rathmell
    April 10, 2023
    Sensitivity, reproducibility, configurability, ease of use, and data access are all key to enabling the next generation of Raman spectroscopy applications in the field, the clinic...
    Photonics Industries
    Lasers & Sources

    Air-cooled picosecond lasers available in three wavelengths

    LFW Staff
    April 9, 2023
    RGLX Series high-pulse-energy picosecond laser models offer pulse widths less than 25 ps.
    I Rsweep
    Test & Measurement

    Dual-comb spectrometer designed for vibrational spectroscopy

    LFW Staff
    April 6, 2023
    The compact Iris-C frequency comb spectrometer provides 1 ms to 1 µs time resolution in the mid-infrared (mid-IR) range.
    (Image credit: Edmund Optics)
    2305 Lfw Whe F
    Lasers & Sources

    Basics of ultrafast lasers: Part 1

    Olivia Wheeler
    March 23, 2023
    This article is part one of a two-part series focused on ultrafast lasers.