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    • Volume 51, Issue 07

    More content from Volume 51, Issue 07

    (Images courtesy C. Kut, J. Rincon-Torroella, X. Li, and A. Quinones-Hinojosa/Johns Hopkins Medicine)
    OCT produces a color-coded map (cancer in red, healthy tissue in green; inset) intraoperatively in real time.
    A computer algorithm can process optical coherence tomography (OCT) data and generate a color-coded map almost instantaneously.
    July 10, 2015
    Barbaragoode2
    If you want to take the pulse of biophotonics in Europe, the biennial LASER World of Photonics (June 22-25, 2015) event is the place to do it.
    July 10, 2015
    FIGURE 1. This two-mirror beam-steering system with piezo actuators is a highly miniaturized version of a conventional galvanometer ('galvo')-based beam-steering system.
    Beam steering for handheld and portable devices has fingertip size, battery power, milliradian precision, mobile-phone robustness, and fully integrated microelectronics.
    July 10, 2015
    FIGURE 1. A scanning electron microscope (SEM) photograph shows the cross-section of a fabricated 'butterfly MOF' or butterfly shaped microstructured optical fiber. and a detail of the central region with the GeO2-doped core.
    Beyond supercontinuum generation and dispersion compensation in communications networks, microstructured optical fibers enable unprecedented temperature-insensitive pressure, ...
    July 10, 2015
    (Courtesy of Sofradir)
    A Sofradir VEGA QWIP-based FPA is used for thermal imaging of military vehicles (top left, IR image from QWIP camera; top right, visible image of vehicle). The FPA, housed in its integrated detector dewar assembly, is seen at lower right; the Thales camera into which the assembly is integrated is see at lower left.
    With their low cost and high uptime, quantum-well infrared detector focal-plane arrays compete well with mercury cadmium telluride for some uses in the long-wave infrared.
    July 10, 2015
    FIGURE 1. m2≈1 (a); m2=1 (b); and m2=2 (c).
    The best methods for making second-moment beam-width measurements with CCD cameras are described and compared to ISO recommendations.
    July 10, 2015
    FIGURE 1. Interferometry tests are performed on an LG760 laser glass slab to inspect quality of the glass finish. SCHOTT produces this potassium-barium-aluminum-phosphate-based glass in Duryea, PA.
    Rare-earth-doped glass is finding use in mainstream medical devices, astronomy and measurement, and materials processing applications.
    July 10, 2015
    (Credit: Jacob Chinn, UA Alumni Association)
    The Internet System Lab provides a research-scale emulation of key pieces of Internet infrastructure and serves as a testbed for novel photonic device technologies.
    This month I interview Professor Tom Koch, who is Dean of the College of Optical Sciences at the University of Arizona (UA).
    July 10, 2015
    (Courtesy of Juris Upatnieks)
    FIGURE 1. Emmett Leith (left) and Juris Upatnieks prepare to record a hologram in 1965. The model railroad set became a standard scene.
    Half a century ago, holography was the hottest trend in imaging, and the future was going to be holovision. The CCD brought a revolution and today's cameras are digital, from ...
    July 10, 2015
    (Image credit: NIMS)
    Scanning electron microscope images show mesoporous gold films ([a] and [b] on different scales) prepared with an electrolytic solution that creates micelles critical to film fabrication. Different electrolyte compositions produce films with different or 'tunable' pore sizes (c, d, and e).
    Newly fabricated mesoporous gold films can create plasmonic effects useful for optical sensing applications.
    July 10, 2015
    (Courtesy of Pramod Kumar)
    A transparent wing from a rain fly has photonic structures at a large range of different scale lengths.
    Natural photonic micro- and nanostructures on insect wings and carapaces modify light through many different optical effects.
    July 10, 2015
    (Image credit: OptoKnowledge Systems)
    A schematic shows a hollow mid-IR fiber being used in isotope analysis (a). Sensing and delivery fibers can be customized depending on the wavelength needed for specific applications (b).
    Mid-IR optical fibers and other supporting optical components are oftentimes difficult to source.
    July 10, 2015
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    A collaboration is developing and producing what it says is the next generation of nanophotonic data storage (N-PDS) technologies.
    July 10, 2015
    Silicon photomultipliers (SiPMs) are being increasingly used in diffuse-optics applications.
    July 10, 2015
    Content Dam Lfw Print Articles 2015 07 1507lfw Nb02 Web
    A silicon quantum-dot-based hybrid inorganic/organic LED that exhibits white-blue electroluminescence has been developed.
    July 10, 2015
    Content Dam Lfw Print Articles 2015 07 1507lfw Nb01 Web
    A simplified apparatus measures the optical performance characteristics and dimensions of an optical element using a single system.
    July 10, 2015
    Conard Holton2
    While lasers were the initial focus of this publication, the first issue in 1965 also included a long piece on imaging in the form of laser-based holograms.
    July 10, 2015