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  • Volume 34, Issue 8

    • Volume 34, Issue 8

    Beta-barium borate (BBO) is commercially available and has a band edge in the UV at 190 nm, but it only phase-matches to 205 nm for second-harmonic generation. BBO crystals are used in generating deep-UV light from solid-state lasers for manufacturing processes such as disk mastering.
    Lasers & Sources

    Deep-UV applications await improved nonlinear optics

    Hassaun A. Jones-Bey
    Aug. 1, 1998
    Manufacturers are making the best of available materials and developing new ones in preparation for potentially lucrative and highly competitive markets.
    Recently developed, imaging laser radar systems combine good 3-D resolution and high update rates. Radar pictures of the human form were produced using a staring system currently under development at Sandia National Laboratories (Albuquerque, NM).
    Detectors & Imaging

    Laser radars produce three-dimensional pictures

    G. J. Dixon
    Aug. 1, 1998
    Progress in imaging laser-radar systems has yielded improved performance at lower cost.
    FIGURE 1. Fiberoptic-coupled CCD cameras (top) have a significantly higher collection efficiency than comparable lens-coupled CCD cameras (bottom). The fiber bundle, with its larger light-capturing area, maintains the incident pattern of illumination and delivers it to the CCD.
    Fiber Optics

    Fiberoptic coupling increases imaging efficiency and view

    Jeff Grant
    Aug. 1, 1998
    Bonding fibers directly to a charge-coupled device allows significant improvements to be made to image quality and responsiveness in scientific and biomedical applications.
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    Software

    How to select components

    Aug. 1, 1998
    Advances in bus architecture and processor speeds have made it possible to use personal-computer (PC) based imaging systems for applications unheard of just a few years ago. Although...

    More content from Volume 34, Issue 8

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    Optics

    Rewritable compact disks fill multiple storage needs

    Aug. 1, 1998
    It is now possible to create and rewrite one`s own compact disks (CDs). The new Compact Disc-ReWritable (CD-RW) drives and media introduced in 1997 by Philips Electronics N.V....
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    Detectors & Imaging

    High-bandwidth networks bring new monitoring requirements

    Aug. 1, 1998
    To manage dense wavelength-division multiplexing networks, designers can choose from several grating/detector- and interferometer-based technologies.