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Light–Matter Interactions

  • Spotlight Summary by Heribert Reis

    • Hyperpolarizability dispersion measured for CS2 vapor
    • This work solves the long-standing conundrum of the correct experimental value for the second hyperpolarizability of...
    • J. Opt. Soc. Am. B 37(6) 1769-1774 (2020) View: Abstract | HTML | PDF

  • Spotlight Summary by Dennis K. Killinger

    • Optical characterization of laser retroreflector arrays for lunar landers
    • Historically, laser ranging using a laser/lidar and a distant retroreflecting mirror (corner cube) has been used to...
    • Appl. Opt. 59(16) 5020-5031 (2020) View: Abstract | HTML | PDF

Optical Design and Instrumentation

  • Spotlight Summary by Daniel Brunner

    • In situ optical backpropagation training of diffractive optical neural networks
    • After their breakthrough around a decade ago, neural networks electrify and transform computer science, engineering,...
    • Photon. Res. 8(6) 940-953 (2020) View: Abstract | HTML | PDF

  • Spotlight Summary by Brynmor Davis

    • The non-diffracting nature of truncated Hermite–Gaussian beams
    • Established families of standard beam profiles are extremely useful when characterizing the propagation of light; and...
    • J. Opt. Soc. Am. A 37(11) C1-C6 (2020) View: Abstract | HTML | PDF

  • Spotlight Summary by Taek Yong Hwang

    • Surface processing of PMMA and metal nano-particle resist by sub-micrometer focusing of coherent extreme ultraviolet high-order harmonics pulses
    • To achieve a higher resolution in laser materials processing, minimizing both the focal spot size of the laser beam and...
    • Opt. Lett. 45(10) 2926-2929 (2020) View: Abstract | HTML | PDF

Optics in Biology and Medicine

  • Spotlight Summary by Erik Schartner

    • Thermographic detection and quantification of THC in oral fluid at unprecedented low concentrations
    • There is a key need for better testing for tetrahydrocannibanol (THC), the principal psychoactive ingredient in...
    • Biomed. Opt. Express 11(4) 2178-2190 (2020) View: Abstract | HTML | PDF

  • Spotlight Summary by Andrey Kuzmin

    • Multiplexed polarized hypodermic Raman needle probe for biostructural analysis of articular cartilage
    • The importance of Raman spectroscopy in biomedical research is well recognized. It is difficult to find an area of...
    • Opt. Lett. 45(10) 2890-2893 (2020) View: Abstract | HTML | PDF

Optoelectronics

  • Spotlight Summary by Ross Challinor and Peter Mosley

    • Prospects for photon-pair generation using silicon microring resonators with two photon absorption and free carrier absorption
    • Single photon sources are the subject of intense development efforts towards applications in photonic quantum...
    • OSA Continuum 3(5) 1138-1153 (2020) View: Abstract | HTML | PDF

  • Spotlight Summary by Dennis K. Killinger

    • Optical characterization of laser retroreflector arrays for lunar landers
    • Historically, laser ranging using a laser/lidar and a distant retroreflecting mirror (corner cube) has been used to...
    • Appl. Opt. 59(16) 5020-5031 (2020) View: Abstract | HTML | PDF

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