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    • Volume 57, Issue 07

    More content from Volume 57, Issue 07

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    It’s beginning to look like year-end reviews of the global manufacturing economy will marvel at how the industrial laser industry survived COVID-19 restrictions and went on to...
    July 21, 2021
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    Best known for laser marking, pulsed nanosecond fiber lasers can also be used for cutting both metals and nonmetallic materials.
    July 21, 2021
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    Precision freeform optics manufacturing, 3.5D laser printing of glass components, and environmental sensing are just a few of the topics that can be found in the July 2021 issue...
    July 21, 2021
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    A newly developed light-shrinking material has the potential to take conventional light microscopes to a new level, and with minimal effort.
    July 21, 2021
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    Controlling van der Waals magnets on demand, which could pave the way toward significantly more efficient data storage and processing, has historically been difficult. But a new...
    July 21, 2021
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    A new 3D-printed biosensor is allowing the simultaneous recording and imaging of tissues and organs, which could potentially help surgeons to localize critical regions during ...
    July 21, 2021
    (Courtesy of Lei Xu, Nottingham Trent University)
    The new proof-of-concept technology is ultracompact, ultralight, and may one day enable IR imaging on standard glasses.
    Researchers have found that ultrathin and transparent semiconductor nanocrystals can convert IR light into the visible more efficiently than conventional methods.
    July 21, 2021
    (Courtesy of Lin Lab, Imperial College London)
    High-speed camera image of a common darter dragonfly righting itself from an upside-down position.
    The flight maneuvers of dragonflies could potentially boost the development of small aerial vehicles, ultimately enhancing applications including search and rescue efforts.
    July 21, 2021
    (Courtesy of S. Bancelin et al.)
    Multiphoton STED microscopy enhanced by adaptive optics captures the fine details of neuronal dendrites.
    A newly developed calibration method is bringing researchers deeper into biological tissue and at more precise levels than conventional STED microscopy technology.
    July 21, 2021
    FIGURE 1. A deep-UV laser contains a blue pump diode laser, the praseodymium laser crystal, a second-harmonic-generation (SHG) crystal, and a cavity output mirror (a); the result is a very compact device (b).
    A small laser based on a diode-pumped praseodymium crystal and second-harmonic generation is rugged and ready for applications in the field.
    July 21, 2021
    A structured array of photoluminescent nanopillars is a sensitive measure of force on a subcellular scale, here indicating the force applied by an adhered cardiomyocyte.
    A novel piezophototronic light nanoantenna array enables quantification of force on a subcellular level for true understanding of cardiomyocyte function.
    July 21, 2021
    FIGURE 1. An optical data transmission protocol inspired by ultra-wideband pulsed data coding has demonstrated the ability to communicate at 300 Mbit/s through 3.5 mm of porcine skin.
    Brain-machine interfaces are giving researchers a better look at the fundamental relationship between physiology and cognition, as well as neuropathology and neural plasticity...
    July 21, 2021
    Reprinted from reference 3, with authors’ permission
    FIGURE 1. Comparison of droplet formation rate and signal intensity for three speeds using each flow generation technique measured for a 500 nM resorufin solution on an epifluorescence microscope. Droplet streams for a syringe pump (red trace), a peristaltic pump (black trace), and a Venturi pump (blue trace) are shown.
    Agencies worldwide are pushing higher water quality standards; technological advances in systems using UV LEDs are helping hit the mark.
    July 21, 2021
    Image originally printed in BioOptics World, March/April 2014 [3]
    FIGURE 1. Schematics demonstrate the setups of a typical FTIR microscope (a) and a QCL IR-SI microscope (b).
    The industry is on the verge of an infrared (IR) microscopy and spectroscopy revolution fueled by developments in quantum cascade laser (QCL) technology.
    July 13, 2021
    Courtesy of Lumenisity
    FIGURE 1. Fabrication of a hollow-core NANF fiber.
    Hollow-core fibers were in the spotlight again at the 2021 virtual Optical Fiber Communications Conference (OFC), but the focus has broadened.
    June 30, 2021
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    A strong revenue year may be in the works, but laser market modeling remains both art and econometric modeling.
    June 25, 2021