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  • Volume 60, Issue 08

    • Volume 60, Issue 08

    (Image credit: LMU/MPQ)
    The new minimally invasive screening approach needs just a single drop of blood to detect health conditions.
    Bio&Life Sciences

    Infrared spectroscopy meets machine learning

    Justine Murphy
    Oct. 4, 2024
    A minimally invasive screening approach that works with a single drop of blood could potentially revolutionize both reactive and preventative healthcare.
    (Image credit: L. Jay Guo Laboratory, U-M Engineering)
    2410lfw_wn_3
    Optics

    OptoGPT harnesses AI to automate, speed design of optical structures

    Justine Murphy
    Sept. 30, 2024
    An optics-based machine-learning framework could be a game-changer in the push to design more advanced devices.
    (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.
    (Photo credit: Shanté Booker, CUNY)
    Andrea Alù in the lab.
    Optics

    ‘Thermal metasurface’ controls optical properties of its own thermal radiation emission

    Sally Cole Johnson
    Sept. 23, 2024
    Simply heat up a new type of metasurface for unprecedented control over the spectrum, polarization, directionality, and wavefront shaping of its thermal emissions.
    (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...

    More content from Volume 60, Issue 08

    (Sample courtesy of Aoi Gohma and Atsushi Miyawaki, RIKEN CBS-EVIDENT Open Collaboration Center)
    Bio&Life Sciences

    Near-infrared light enables optical observation in microscopy

    Akira Saito
    Sept. 11, 2024
    Near-infrared (NIR) imaging can help mitigate the challenges of using visible light as an excitation source for biological research.
    (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...
    (Photo credit: Photonic Devices Laboratory/Bilkent University)
    In the lab (left to right) with their setup: Professor Onur Tokel, Alperen Saltik, Rana Asgari Sabet, and Mehmet Bütün.
    Lasers & Sources

    Holographic techniques ‘key’ to nanofabrication deep within a silicon wafer

    Sally Cole Johnson
    Sept. 2, 2024
    Researchers send laser pulses deep into a silicon wafer to achieve controlled nanofabrication inside it—and feature sizes down to 100 nm—without altering its surface.
    (Photo credit: Ayar Labs)
    Mark Wade, CEO and co-founder of Ayar Labs.
    Executive Forum

    A big vision comes to life: Optical interconnects for AI

    Jose Pozo
    Aug. 19, 2024
    Mark Wade, CEO and co-founder of Ayar Labs, discusses his career trajectory and what forged the path for the optical input/output (I/O) company.
    (Image credit: Optotune)
    Bio&Life Sciences

    Enhance early detection of melanoma with liquid lenses

    Tomas Zvolensky
    Aug. 8, 2024
    How can liquid lenses help with early detection of this potentially life-threatening condition to save lives?
    (Image credit: Metalenz)
    Optics

    Metasurfaces enhance optical systems

    Ivan Nikitskiy
    July 29, 2024
    An optical revolution? Advancements in the design and manufacture of optical components leverages properties of metasurfaces and meta-optics to surpass traditional optical hardware...