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  • Volume 57, Issue 10
  • Volume 57, Issue 10

    Courtesy of Christoph Hohmann, MCQST
    FIGURE 1. Two crossed optical resonators are located inside a vacuum chamber. Each resonator’s mirrors consist of the end faces of two opposing optical fibers. These fibers are barely visible as a cross of thin dark lines in the center of the image.
    Optics

    Bringing quantum networks to life

    Oct. 20, 2021
    Control over the interaction between photons with atoms promises quantum systems to serve as transmitters, receivers, and memory elements for information in a future quantum network...
    The liquids isopropanol and toluene appear transparent to the naked eye. In the near-IR and SWIR ranges, different portions are absorbed, which in combination enables a precise determination to be made.
    Detectors & Imaging

    Switchable IR detector offers cheaper solution for autonomous vehicles

    Oct. 20, 2021
    A new device is able to image in both the near-IR and SWIR ranges, which could boost the performance of technology including smartphones, autonomous vehicles, and the Internet...
    FIGURE 1. The last eight images out of a series of 12 [1]. Generation of one single droplet (0.003 s) containing Cy3-labeled DNA, captured with a frame rate of 4086 frames per second.
    Detectors & Imaging

    Combination of advanced imaging techniques brings new applications to light

    Oct. 20, 2021
    Intensified high-speed cameras in combination with fluorescence microscopy techniques are providing new insights in multiple biomedical research fields.
    Courtesy of NIST
    FIGURE 1. Optical system for the NIST trapped-ion sensor with physicists John Bollinger (left) and Matt Affolter (right). Cryogenics and a powerful superconducting magnet are inside the pillar at left.
    Test & Measurement

    Quantum sensing may probe the universe

    Oct. 20, 2021
    After enhancing LIGO's ability to record gravitational waves from across the universe, quantum sensing is being tuned up to hunt for elusive dark matter.

    More content from Volume 57, Issue 10

    Depiction of multiparticle scattering in plasmonic systems.
    Optics

    New light sources may power next-generation quantum technologies

    Oct. 20, 2021
    Researchers have discovered that rearranging photon distribution in nanoscale systems can create different forms of light.
    American Chemical Society
    A new multimodal tool combines OCT, fluorescence lifetime (FLIM) imaging, and Raman spectroscopy for rapid and efficient diagnosis (a); the FLIM and OCT data is also shown, with image details correlated with histology results (b).
    Bio&Life Sciences

    Compact multimodal imaging to aid rapid clinical diagnosis

    Oct. 20, 2021
    A newly developed imaging tool combines optical coherence tomography (OCT), Raman spectroscopy, and fluorescence lifetime imaging (FLIM) in a single multimodal scanning microscope...
    FIGURE 1. Example of a complex and compact group of lenses inside an objective.
    Detectors & Imaging

    Lesser-known factors to consider during microscope system design

    Oct. 20, 2021
    New objective lens technology delivers high levels of numerical aperture, chromatic aberration correction, and flatness at the same time for improved optical performance.
    FIGURE 1. Application of wavelength-selective switch in a leaf-spine architecture (a) and application of wavelength-selective switch in Hyper X architecture (b) [1].
    Fiber Optics

    Wavelength-selective optical switches help scale the datacenter

    Oct. 20, 2021
    Datacenters will be transformed by the use of silicon photonic integrated circuits; here, an 8 × 4 multiwavelength-selective ring-resonator-based switch matrix is used for interconnecti...
    Courtesy of Mass Eye and Ear
    A close-up of the image processing unit of the wearable collision device.
    Detectors & Imaging

    Wearable device aims to keep visually impaired safer

    Oct. 20, 2021
    A newly developed wearable computer vision device could reduce collisions and falls for those who typically use a cane to get around.
    The glass substrate showing the 3D printed sensor (center). At left are optical microscopy images showing the pixelated sensor in response to different vapors; at right is a scanning electron microscopy image of the pixelated sensor, depicting the different heights of the periodic structure.
    Test & Measurement

    Gas sensor leads toward the future of home building and automation

    Oct. 20, 2021
    The 3D-printed, color-changing, microscopic sensor can detect solvent vapors in the air and can be monitored in real time via connected, low-cost devices.
    FIGURE 1. Claude Florin, founder and CEO of Fastree3D.
    Executive Forum

    Flash lidar and a new way forward—An interview with Claude Florin

    Oct. 20, 2021
    A pioneering flash imaging lidar system illuminates a large area repeatedly with a pulsed laser.
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    Industrial Laser Solutions

    Laser drilling for taper holes

    Oct. 20, 2021
    Laser drilling advancements for producing taper holes reduce cycle times for the filtration industry.
    FIGURE 1. Repair of a high-value Ti-6Al-4V shaft at Penn State’s Applied Research Laboratory.
    Industrial Laser Solutions

    Directed energy deposition: Applications and outlook

    Oct. 20, 2021
    Metal directed energy deposition (DED) additive manufacturing is transitioning into production.
    New Image 2
    Industrial Laser Solutions

    A glimpse of Industrial Laser Solutions in 2022

    Oct. 20, 2021
    A very exciting editorial schedule has been developed for 2022 and I am sharing some of the diverse topics to be covered.
    Photonics Nxt Fall 2021 1440x810 Attendee Web Ad Keynote
    Commentary

    PhotonicsNXT Fall Summit keynote to cover lidar for self-driving vehicles

    Sept. 30, 2021
    I’m pleased to invite you to join us on October 28th at the PhotonicsNXT Fall Summit keynote presentation where we will explain how lidar is becoming a key sensor for automated...
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    Home

    Laser Focus World announces 2021 Innovators Awards

    Sept. 27, 2021
    For the fourth straight year, Laser Focus World held its Innovators Awards program, which celebrates the disparate and innovative technologies, products, and systems found in ...