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  • Volume 59, Issue 05

    • Volume 59, Issue 05

    Photo 78745044 © Geerati | Dreamstime.com
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    Commentary

    What’s your innovation immunity level—and should you be concerned?

    Peter Fretty
    April 11, 2023
    It is crucial to find ways to make sure people using photonics-based products know about and understand the significance of the continued innovation taking place within the industry...
    (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...
    (Photo credit: OQmented)
    OQmented founders Ulrich Hofmann (left) and Thomas von Wantoch (right) with OQmented's light engine.
    Executive Forum

    Augmented-reality startup garners funding boost

    Peter Fretty
    April 6, 2023
    Thomas von Wantoch, co-CEO and co-founder of OQmented, discusses the funding and where the company is headed.
    (Courtesy of Salk Institute)
    Salk researchers developed two wearable microscopes to image cellular activity in previously inaccessible regions of the spinal cord of moving mice in real time.
    Bio&Life Sciences

    Wearable microscopes help image cellular activity in spinal cords of on-the-move mice

    Justine Murphy
    April 5, 2023
    Two tiny wearable microscopes for mice are generating high-resolution, high-contrast, multicolor images in real time—providing insight into signaling patterns within spinal cords...
    (Courtesy of World Wildlife Fund)
    FIGURE 1. Teledyne FLIR’s Tau 2 OEM thermal imaging cameras are helping wildlife biologists to detect and track the black-footed ferrets in the wild.
    Detectors & Imaging

    Thermal imaging aids wildlife conservation efforts

    Justine Murphy
    April 4, 2023
    Teledyne FLIR technology is helping biologists and wildlife conservationists in their fight to save endangered animal species.

    More content from Volume 59, Issue 05

    (Photo credit: NASA/JPL-Caltech)
    This shot shows several PEACOQ detectors shortly after being printed on a silicon wafer.
    Detectors & Imaging

    NASA team’s PEACOQ quantum detector is a ‘leap’ forward

    Sally Cole Johnson
    April 3, 2023
    In a milestone for the quantum realm, NASA researchers built a quantum detector to precisely measure single photons at very high rates—with a clock frequency of 10 GHz.
    (Courtesy of Roarke Horstmeyer, Duke University)
    The multi-camera array microscope is essentially an array of many miniaturized digital microscopes, which acquire synchronized video in parallel. A variety of algorithms allow the researchers to fuse the video data acquired by the microscope into final gigapixel-scale composites.
    Bio&Life Sciences

    High-speed gigapixel microscope images, records in high-res 3D

    Justine Murphy
    March 31, 2023
    Duke University researchers expect a new multi-camera array device to revolutionize the study of genetics, neurological disorders, and other diseases.
    (Image credit: Haider Zia/Superlight Photonics)
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    Lasers & Sources

    On-chip supercontinuum generation breakthrough for medical imaging and LiDAR

    Sally Cole Johnson
    March 30, 2023
    University of Twente researchers and spinoff Superlight Photonics B.V. created an integrated photonics chip that significantly cuts power requirements for wide-bandwidth lasers...
    FIGURE 1. Schematic diagram of coherent beam combining and optical phased array.
    Laser Processing

    Galvo scanners and dynamic beam lasers

    Ami Spira
    March 29, 2023
    Combining galvo scanners and dynamic beam lasers provides advancements in laser welding needed to increase feed rates for e-mobility welding applications.
    (Image credit: University of Basel/Department of Physics)
    Artist’s impression of how photons are coupled after being scattered by an artificial atom (quantum dot) in a cavity resonator.
    Lasers & Sources

    Generating quantum states of light?

    Sally Cole Johnson
    March 24, 2023
    Quantum dots coupled to optical cavities or waveguides are a promising platform for generating quantum states of light.
    (Image credit: Edmund Optics)
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    Lasers & Sources

    Basics of ultrafast lasers: Part 1

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

    Addressing autonomy gaps, one component at a time

    Peter Fretty
    March 22, 2023
    Industry collaboration opens the door for autonomous solutions to thrive within various environments.
    (Copyright: EFFECT Photonics)
    EFFECT Photonics’ optical system-on-chip technology increases the integration of optical components, reducing device footprint, losses, and power consumption.
    Executive Forum

    Enabling digital-signal processing and forward error correction

    Jose Pozo
    March 21, 2023
    In this interview, Jose Pozo, Optica’s CTO, talked to EFFECT Photonics’ CEO Roberto Marcoccia about his experience as a pioneer in the early days of the telecom industry, and ...
    FIGURE 1. MEMS enhance standard silicon photonic ICs to enable energy-efficient and scalable solutions for future telecom and datacom needs.
    Optics

    Silicon photonic MEMS designed for compatibility with semiconductor manufacturing

    Sally Cole Johnson
    March 20, 2023
    Researchers create silicon photonic microelectromechanical systems (MEMS) that can be fabricated using today’s semiconductor manufacturing processes to provide an energy-efficient...
    (Photo credit: TRUMPF)
    FIGURE 1. This VCSEL comes with an additional optical structure. A photodiode is part of the VCSEL that detects reflected light signals.
    Lasers & Sources

    Full sensor functionality integrated into tiny VCSELs

    Holger Mönch
    March 15, 2023
    Vertical-cavity surface-emitting lasers (VCSELs) with an integrated photodiode not only emit light, but also detect light reflected back—enabling measurements of velocity and ...
    (Image credit: Chloe Zhang)
    This illustration from Guo’s Lab shows the interaction between a perovskite material (cyan) and a substrate of metal-dielectric material. The red and blue pairings are electron-hole pairs. Mirror images reflected from the substrate reduce the ability of excited electrons in the perovskite to recombine with their atomic cores, increasing the efficiency of the perovskite to harvest solar light.
    Optics

    Perovskite-metal pairing enhances efficiency of perovskites

    Sally Cole Johnson
    March 14, 2023
    A team of University of Rochester Institute of Optics researchers, led by Chunlei Guo, improve light conversion efficiency of perovskites 250% by pairing them with a metal platform...
    (Image Credit: Shixiong Yin)
    Illustration of the experimental platform used to achieve time reflections.
    Optics

    Controlling light in time via tailored metamaterial?

    Sally Cole Johnson
    March 13, 2023
    In an amazing physics breakthrough, Andrea Alù’s team at CUNY ASRC demonstrates time reflections and interfaces for waves oscillating at microwave frequencies based on a transmission...