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  • Volume 59, Issue 06

    • Volume 59, Issue 06

    (From C. Ancuti, C. O. Ancuti, C. De Vleeschouwer, and A. C. Bovik [4])
    A dehazed image by global light estimation.
    Bhawna Goyal
    May 19, 2023
    Image dehazing is an important area of research used for security, surveillance, and outdoor imaging. Getting rid of haze from pictures taken at night is hard because there is...
    FIGURE 1. Cleanroom for automation manufacture of the NUBURU second-generation laser.
    Matthew Philpott
    May 18, 2023
    A second-generation blue laser system uses new manufacturing techniques to offer a laser system compatible with galvo scanners that is more compact, reliable, and production-scalable...
    Photo 155122032 © Andrii Yalanskyi | Dreamstime.com
    Dreamstime Xxl 155122032
    Peter Fretty
    May 15, 2023
    The sense of community is always present at the larger trade shows like SPIE Photonics West each year and then again at the LASER World of PHOTONICS event in Munich every other...
    (Courtesy of Hebrew University of Jerusalem)
    FIGURE 1. A biosensor system developed by a team at Israel’s Agricultural Research Organization–Volcani Institute and the Hebrew University of Jerusalem can detect and monitor continuously, and in real time, infections in potatoes before they’ve grown to the surface.
    Justine Murphy
    May 5, 2023
    A growing global population and climate change are prompting scientists to explore new ways to reduce food loss and waste. A top candidate? Biosensors.
    Electron microscope image of the DTU group’s sample, showing two different topological crystals.
    Sally Cole Johnson
    May 4, 2023
    Researchers in Denmark discovered that for a waveguide to offer on-chip backscattering protection, the topological insulator must be made of materials that break time-reversal...

    More content from Volume 59, Issue 06

    (Image credit: Viktar Asadchy)
    FIGURE 1. Time-varying interface and light.
    Sally Cole Johnson
    May 2, 2023
    Researchers have crafted 2D photonic time crystals: an ultrathin metasurface that’s a time-based version of conventional optical materials.
    (Image credit: MantiSpectra)
    MantiSpectra's ChipSense spectral sensor on a chip.
    Peter Fretty
    May 1, 2023
    Dutch photonics company MantiSpectra walks away with a prestigious Hermes Award for its breakthrough material sensor.
    (Photo credit: Fraunhofer ILT, Aachen, Germany)
    Using custom optics, the laser radiates a larger area on the copper foil coated with graphite paste. The interaction between the graphite particles and the light energy generates heat and the liquid evaporates.
    Peter Fretty
    April 26, 2023
    As startups and global transportation manufacturers continue to explore and make commitments to expand e-mobility, improving batteries ultimately takes center stage.
    (Courtesy of the Busani Research Group)
    FIGURE 1. The Busani Research Group’s AFM probe for semiconductor patterning, equipped with an aluminum nitrate laser nanowire used as a lithographic tip, allows traditional laser scanning to be performed along with spectroscopy to record the fluorescence signal of the material.
    Jim McMahon
    April 25, 2023
    An AFM probe for semiconductor patterning, equipped with an aluminum nitrate laser nanowire used as a lithographic tip, allows traditional laser scanning to be performed along...
    (Courtesy of AdValue Photonics)
    AdValue Photonics' glass fabrication process.
    Jose Pozo
    April 24, 2023
    In this interview, Jose Pozo, Optica’s CTO, talks to AdValue Photonics CEO Michael Mielke about his career and the company.
    (Courtesy of Ian Shih, UNC School of Medicine)
    FIGURE 1. The experimental fMRI-fiber photometry platform could offer a deeper understanding of the dynamic properties of brain states and their relationship to behaviors.
    Justine Murphy
    April 24, 2023
    An optical fiber-based platform may lead to brain network-based treatment regimens for neuropsychiatric and neurological disorders.
    Schematic illustration of light-induced ultrafast lattice response in 2D perovskites. An ultrashort laser pulse creates a high density of electron-hole plasma, which triggers a relaxation of the lattice distortion via reduced octahedral tilt.
    Sally Cole Johnson
    April 21, 2023
    Thanks to ultrafast electron diffraction at SLAC National Lab, researchers captured a change of structural response in 2D perovskites: a relaxation of lattice distortion initiated...
    (Courtesy of Efren Gumayan, Ateneo de Manila University)
    FIGURE 1. A new process that turns crab shells into a bioplastic can be used to make optical components such as diffraction gratings (shown in the tweezers).
    Justine Murphy
    April 20, 2023
    Researchers in the Philippines developed a way to turn discarded crab shells into biodegradable diffraction gratings with a higher refractive index than silicone.
    (Courtesy of Edmund Optics)
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    Olivia Wheeler
    April 19, 2023
    This article is the second part of a three-part series focused on ultrafast lasers.
    FIGURE 1. The fly-eyes relay optical schematic.
    Lev Ryzhikov
    April 18, 2023
    This article provides a look at how the use of a “fly-eyes” relay optical system could help solve difficult semiconductor applications.
    Photo 100646461 © Dezzor | Dreamstime.com
    Dreamstime Xxl 100646461
    Mark Naples
    April 14, 2023
    Laser absorption spectroscopy is poised to help the downstream oil and gas industry quickly find and track methane leaks to significantly decrease their impact on the atmosphere...
    (Photo credit: TRUMPF)
    Clean room manufacturing at TRUMPF.
    Antonio Castelo
    April 13, 2023
    In this interview, EPIC’s Antonio Castelo talks to Berthold Schmidt, CEO of TRUMPF Photonic Components.
    (Image credit: Ryan Allen)
    Integrated thin-film lithium niobate visible electro-optic modulators, where electrical pulses applied to the gold electrodes enable high-frequency intensity modulation of input light with low drive voltages (~1 V).
    Sally Cole Johnson
    April 12, 2023
    A new type of electro-optic modulator controls the shorter, visible wavelengths of the optical spectrum—and breaks limits on how fast and efficiently visible modulators can operate...
    (Photo credit: Lei Gong's Lab, University of Science and Technology of China)
    Panpan Yu (left) and Lei Gong in the lab, working on their 3D-SDH project, observe the speckle light field behind a scattering medium. The speckle field helps break the depth-control limit of holographic projection.
    Sally Cole Johnson
    April 7, 2023
    A 3D holography technique overcomes limitations of currently available digital holography methods to provide a big improvement—more than three orders of magnitude—in depth resolution...
    (Courtesy of SMART)
    Researchers’ continued study of plant hormones are paving the way for breakthroughs in agricultural science and may have implications for global food security.
    Justine Murphy
    April 6, 2023
    The study of plant hormones via carbon nanosensor technology could impact plant growth and health, and may someday address rising global food security concerns.