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  • Volume 41, Issue 7

    • Volume 41, Issue 7

    More content from Volume 41, Issue 7

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    Laser cooling of atoms has led to some striking advances in physics research, including the first demonstration of “slow light,” in which a cloud of 50-μK sodium atoms in a degenerate...
    July 1, 2005
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    With high thermal conductivity and resistance to damage, carbon-nanotube coatings are a promising new technology for thermal detectors.
    July 1, 2005
    Fabrinet (Bangkok, Thailand) plans to purchase the JDS Uniphase (San Jose, CA) manufacturing facilities located in Fuzhou, China.
    July 1, 2005
    Cognex (Natick, MA), which supplies machine-vision systems, has acquired DVT (Duluth, GA), a privately held vision-sensor company.
    July 1, 2005
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    The challenge for optical interconnects is to span shorter distances at higher speeds, with signals sent through many parallel fibers or waveguides.
    July 1, 2005
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    Building on an earlier demonstration of quantum-dots-in-a-well (DWELL) detectors that sense multiple wavelengths in the middle-wavelength infrared (MWIR) and in the longer-wave...
    July 1, 2005
    Lockheed Martin has been selected by General Atomics (San Diego, CA) as weapon system integrator for the High Energy Liquid Laser Area Defense System (HELLADS).
    July 1, 2005
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    The point-spread function (PSF) of an optical system can be altered by inserting a spatially varying filter at the pupil plane; if the filter is properly designed, the width of...
    July 1, 2005
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    Whether you’re a researcher, engineer, or manager interested in the application of lasers and optoelectronics to materials processing, defense and security, medicine, communications...
    July 1, 2005
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    The laser of choice for military directed-energy-weapons (DEW) research has traditionally been the chemical ­laser.
    July 1, 2005
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    Surface plasmons propagate along the interface between a conductor and a nonconductor or dielectric; they are bound to the interface and exponentially decay in both media.
    July 1, 2005
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    The industry standard for the determination of refractive-index profiles for axially symmetric optical fibers is the refracted-near-field (RNF) technique.
    July 1, 2005
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    Although gravitational waves-ripples in the space-time continuum due to moving matter-have never been detected, the Large Scale Cryogenic Gravitational Wave Telescope (LCGT; Honshu...
    July 1, 2005
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    Solid-state laser; Aspheric cylinder lenses; Beam expander; MORE...
    July 1, 2005
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    Energy-transfer pathways in the photosynthesis process appear to be affected by molecular factors that had not previously been considered, according to results obtained by researchers...
    July 1, 2005
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    In August of 1955, 74 individuals attended the first formal meeting of SPIE-Society of Photo-Optical Instrumentation Engineers in Hollywood, CA, to exchange ideas and discuss ...
    July 1, 2005
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    Curious by nature, humans search for ever more detail in what they examine-spurring, for example, the invention of microscopes.
    July 1, 2005
    JDS Uniphase (San Jose, CA) announced a definitive agreement to acquire privately held Acterna (Germantown, MD), a provider of broadband and optical test and management (T&M) ...
    July 1, 2005
    Imaging-that is, the acquisition, processing, and presentation of images-spans an entire spectrum of technologies, starting with the detector or imager and ending up with .
    July 1, 2005
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    Etching the facets is an alternative approach that allows wafer-scale testing with probe cards and reduces manufacturing costs.
    July 1, 2005
    Gilder has trumpeted the virtues of analog designs before and this book is even more gushing than is usual for george.
    July 1, 2005
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    A new laser platform-based on individually addressable single-mode laser-array modules-allows increased levels of optoelectronic integration and technical performance.
    July 1, 2005
    FIGURE 1. One axis of a fiberoptic gyroscope (FOG) consists of a separate transceiver (left) and modulator module (center), as well as the fiber spool (right). Each of these modules is repeated three times to make a complete three-axis FOG.
    As real-time position and trajectory guidance mature, the fiberoptic gyroscope (FOG) is becoming an important centerpiece of navigation systems.
    July 1, 2005
    Automobile manufacturers are installing a new generation of cameras in their cars.
    July 1, 2005
    FIGURE 1. In 1965 Honeywell introduced a compact laser retina welder, which could be gripped comfortably, focused, aimed and fired with one hand by an ophthalmologist. Its portable power supply (to right of doctor) was considered compact, measuring 18 × 24 × 18 in. Myopic or hypermyopic errors could be corrected by rotating the focusing disc with the index finger. A thumb-actuated safety switch was used to fire a 500-ms burst of laser light into the patient's eye.
    In the June 1, 1965, issue of Laser Focus the editors published a comprehensive special report on biomedical applications of lasers that had been explored in the five years prior...
    July 1, 2005