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  • Volume 34, Issue 3
  • Volume 34, Issue 3

    More content from Volume 34, Issue 3

    CCD and CCTV lenses are available for various 1/3-, 1/2-, 2/3-, and 1-in. formats that are high speed, high resolution, and color corrected for wavelengths from 400 to 1000 nm...
    March 1, 1998
    The University of Arizona and the Smithsonian Institution are taking apart the Multiple Mirror Telescope Observatory to replace the current array of six 72-in.-diameter mirrors...
    March 1, 1998
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    The advent of wavelength-division-multiplexing (WDM) as the technology of choice for upgrading the capacity of fiberoptic networks has created a demand for devices and components...
    March 1, 1998
    An emission wavelength of 1.154 µm has been reported from an oxide-confined quantum-dot (QD) vertical-cavity surface-emitting laser (VCSEL) by a grou¥from the Microelectronics...
    March 1, 1998
    Recent technological advances have given LightPath Technologies (Albuquerque, NM) the ability to cost-effectively produce its Gradium lenses in all sizes and volumes. The company...
    March 1, 1998
    An organic vertical-cavity surface-emitting-laser (OVCSEL) structure has been demonstrated by researchers from the Center for Photonics and Optoelectronic Materials at Princeton...
    March 1, 1998
    Custom-fabricated all-metal retroreflectors and arrays feature bolt-in-place modular construction. The reflectors can be easily cleaned and replaced in the field and are more ...
    March 1, 1998
    A software-controlled video camera subsystem automates the capture of live portraits. PhotoEase locates the facial area, then crops and scales the image without operator intervention...
    March 1, 1998
    FIGURE 1. A fiber Bragg grating interrogation system monitors wavelength shifts in FBG sensors and achieves resolution, accuracy, linearity, and stability in the picometer-wavelength range. Key to the system is the multiwavelength reference, which contains a reference LED, a bandpass filter, and a fixed Fabry-Perot interferometer.
    An interrogation system to measure wavelength shifts in fiber Bragg gratings achieves picometer wavelength accuracies over an extended time.
    March 1, 1998
    Purdue University (West Lafayette, IN) researchers have developed a novel approach to producing highly stable porous-silicon surfaces using Lewis acid-catalyzed hydrosilylation...
    March 1, 1998
    A group at Rensselaer Polytechnic Institute has used a linearly chirped optical probe pulse in a free-space electro-optic detection system to measure the temporal waveform of ...
    March 1, 1998
    Uncooled infrared focal-plane arrays (FPAs) are expected to push infrared imaging and infrared thermometry markets in the United States to nearly $1.2 billion by 2002, according...
    March 1, 1998
    Scientists at the Harlow, England, research and development facility of Northern Telecom (Nortel; Paignton, England) have developed a 2.4-m dispersion-compensating grating (DCG...
    March 1, 1998
    An electric power meter, the LMG 95 from Zimmer Electronic Systems GmbH, is a monophase meter providing basic accuracy readings of 0.03%. The instrument performs analysis according...
    March 1, 1998
    A 320 ¥ 240 element focal-plane array of indium gallium arsenide operates at room temperature, detecting in the range from 1 to 1.7 µm. The SU320 camera provides RS-2170...
    March 1, 1998
    A low-profile rotary stage is designed for use in 300-mm wafer-handling operations. The PLR-300 stage has a height of 32 mm and is powered by two diagonally opposed piezoceramic...
    March 1, 1998
    Researchers at Nichia Chemical Industries (Anan, Japan) have taken a major ste¥toward improving the reliability of their blue diode lasers by removing the heat-trapping sapphire...
    March 1, 1998
    The first commercially contracted adaptive-optics system has been installed on the joint German and Spanish 3.5-m telescope in Calar Alto, Spain, by Adaptive Optics Associates...
    March 1, 1998
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    Multilayered diffractive optics that collimate or focus x-ray light and simultaneously render it monochromatic can be economically
    March 1, 1998
    Galileo (Sturbridge, MA) signed a definitive agreement to acquire OFC (Natick, MA) for approximately $6 million in cash and 1.15 million shares of Galileo common stock. . . . ...
    March 1, 1998
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    Combining diffractive and refractive optical elements with lasers and photodetectors creates miniature integrated optical systems.
    March 1, 1998
    In response to industry requests, the Optical Technology Division of the National Institute of Standards and Technology (NIST; Gaithersburg, MD) is setting u¥a consortium ...
    March 1, 1998
    The Modular Integrated (MI) DFB Laser has an electroabsorption modulator monolithically integrated with a l/4 shifted multi-quantum well (MQW) DFB laser. Transmission spans greater...
    March 1, 1998
    A worldwide licensing agreement between Accu-Sort Systems (Telford, PA) and Eastman Chemical (Kingsport, TN) calls for Accu-Sort to manufacture and market laser-based, fixed-position...
    March 1, 1998
    Researchers at Boston University (Boston, MA) have entered the blue laser fray with the first gallium nitride-based, double-heterostructure diode laser to emit blue light. The...
    March 1, 1998
    FIGURE 1. Lightcraft vehicle (from the rear) with parabolic reflector works via a directed, then reflected, high-power laser beam.
    On March 16, 1926, Robert H. Goddard stood in a snow-covered field on his Aunt Effie`s farm in Massachusetts and watched the first launch of his 17-year dream, the liquid-propelled...
    March 1, 1998
    According to Frost and Sullivan (Mountain View, CA), the US military demand for flat-panel displays (FPDs) hit $415 million in 1996, but by 2005 the total market for defense- ...
    March 1, 1998
    A UV laser ablation system is available for use with inductively coupled-plasma spectroscopy systems, which are used to determine trace metals in solids. The LSX-200 operates ...
    March 1, 1998
    At MIT Lincoln Laboratory (Lexington, MA), researchers are developing a laser-writing technique for fabricating large, high-quality dense refractive microlens arrays that could...
    March 1, 1998
    Laser Focus World has an opening for a Senior Technical Editor who will solicit, review, revise, and edit technical features, and research, report, and write technical news stories...
    March 1, 1998