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Information Acquisition, Processing, and Display

  • Spotlight Summary by Sylvain Mezil

    • Miniature non-contact photoacoustic probe based on fiber-optic photoacoustic remote sensing microscopy
    • Realizing a miniature, user-friendly and contactless endoscopic photoacoustic probe is the goal for many imaging applications. By reducing the imaging head to a single mode fiber and a gradient-index (GRIN) lens, the...
    • Opt. Lett. 46(22) 5767-5770 (2021) View: Abstract | HTML | PDF

Light–Matter Interactions

  • Spotlight Summary by Guangyuan Li

    • Porous SiO2 coated dielectric metasurface with consistent performance independent of environmental conditions
    • Geromel et al. report a method to create environment-protected metasurfaces, enabling transplantable metasurfaces working in different environments, especially in biological applications.

      The performance...
    • Opt. Mater. Express 12(1) 13-21 (2022) View: Abstract | HTML | PDF

Optics in Biology and Medicine

  • Spotlight Summary by Robert Zawadzki

    • 105° field of view non-contact handheld swept-source optical coherence tomography
    • The Ultra-widefield (UWF) handheld optical coherence tomography (OCT) systems are destined to transform the clinical retinal diagnostic landscape. However, many engineering challenges have been slowing down the progress...
    • Opt. Lett. 46(23) 5878-5881 (2021) View: Abstract | HTML | PDF

  • Spotlight Summary by Jürgen Sawinski

    • Detachable head-mounted photoacoustic microscope in freely moving mice
    • Absorption of light generates heat and by modulating the light intensity, a sound wave can be generated. This effect, first described by A.G. Bell in 1880 (Am. J. Sci. 20 (118), 305 (1880)) and now...
    • Opt. Lett. 46(24) 6055-6058 (2021) View: Abstract | HTML | PDF

Optoelectronics

  • Spotlight Summary by Alex Krasnok

    • Anti-parity-time symmetry enabled on-chip chiral polarizer
    • The physics of non-Hermitian open physical systems offers new interaction schemes and applications to a great extent enabled by topological properties of exceptional points (EPs). Yanxian Wei et al. propose and...
    • Photon. Res. 10(1) 76-83 (2022) View: Abstract | HTML | PDF

  • Spotlight Summary by Matthew Wong

    • Tailoring the light distribution of micro-LED displays with a compact compound parabolic concentrator and an engineered diffusor
    • Micro-light-emitting diodes (µLEDs) are considered as the most promising candidate for next-generation display technology due to their outstanding brightness, excellent chemical robustness, and high optical efficiency....
    • Opt. Express 29(24) 39859-39873 (2021) View: Abstract | HTML | PDF

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