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  1. PHOTONICS APPLIED: FREE-SPACE COMMUNICATIONS : Sophisticated optical systems extend reach of free-space communications

    Article

    Mon, 1 Nov 2010

    … data rate of 781 Mbit/s (the fastest at that time in 2006). "Today, we are in the process of building a free - space communications system for NASA between a satellite in lunar orbit and a ground-based telescope array," says Andrew J …

  2. PHOTONICS APPLIED: FREE-SPACE COMMUNICATIONS : Sophisticated optical systems extend reach of free-space communications

    Print

    Mon, 1 Nov 2010

    … data rate of 781 Mbit/s (the fastest at that time in 2006). "Today, we are in the process of building a free - space communications system for NASA between a satellite in lunar orbit and a ground-based telescope array," says Andrew J …

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  1. Free-space communications struggles to find its niche

    Print

    Sat, 1 Jun 2002

    … severely interfere with free - space communications ; for high reliability ..... advantages of optical free - space communications should open up a substantial ..... addition to this article on free - space communications , several other features …

  2. Adaptive-optics models address free-space communications

    Print

    Sun, 1 May 2005

    … system is purchased and provides important physical insight. Component modeling Simulations of AO systems for free - space communications require that several distinct components be accurately modeled (see Fig. 1).1 The starting point is to …

  3. FREE-SPACE OPTICAL COMMUNICATION: N-slit interferometer extends secure free-space communications to 527 m

    Print

    Tue, 1 Mar 2011

    Researchers at Interferometric Optics (Rochester, NY), the US Army Aviation and Missile Command (Redstone Arsenal, AL), Science Applications International Corporation (SAIC), and the US Army Space and Missile Defense Command (both in Huntsville, AL) have extended the range of a secure, terrestrial

  5. FREE-SPACE OPTICAL COMMUNICATION: N-slit interferometer extends secure free-space communications to 527 m

    Article

    Fri, 1 Apr 2011

    Researchers at Interferometric Optics (Rochester, NY), the US Army Aviation and Missile Command (Redstone Arsenal, AL), Science Applications International Corporation (SAIC), and the US Army Space and Missile Defense Command (both in Huntsville, AL) have extended the range of a secure, terrestrial

  6. Boston Micromachines develops DoD-funded free-space communications retro-reflector

    Article

    Tue, 30 Mar 2010

    Cambridge, MA --Boston Micromachines developed a MEMS-based modulating retro-reflector (MRR) for asymmetric free-space covert communication and remote sensor integration.

  7. DARPA funds new program for secure free-space communications

    Article

    Mon, 11 Jun 2001

    The Lawrence Livermore National Laboratory (Livermore, CA) is teaming with academic institutions and industry to develop powerful new capabilities for multi-gigabit per second, secure, free-space communication links and aberration-free three-dimensional imaging and targeting at ranges larger than

  8. Newsbreaks

    Print

    Sun, 1 Apr 2001

    QC laser becomes free - space communications link Quantum cascade (QC) lasers provide light at tailor-made wavelengths in the mid-infrared between 3.5 and 20 µm. As …

  9. ISLA project aims to expand applications of 2-micron fiber laser technology

    Article

    Tue, 6 Dec 2011

    … this almost-unexplored region of the eye-safe spectrum become possible, including industrial processing, free - space communications , and medical procedures. More applications are expected to arise as currently exotic wavelengths become …

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