Describes a recent demonstration of an optical data link between a small rotary-wing unmanned airborne vehicle (UAV) and a ground based laser interrogator using the NRL multiple quantum well modulating retro-reflector (MRR). MRR systems couple an optical retro-reflector, such as a corner-cube, and an electro-optic shutter to allow two-way optical communications using a laser, telescope and pointer-tracker, all on one platform. The NRL MRR uses a semiconductor based multiple quantum well (MQW) shutter capable of modulation rates above 1 Mbps. The MQW modulating retro-reflector has the advantages of being compact, lightweight, and very low power. Up to an order of magnitude in onboard power can be saved using a small array of these devices instead of the RF equivalent. In the demonstration a 400 Kbps optical link to a flying UAV at a range of 100-200 feet was shown. The device itself is capable of over 6 Mbps.


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    Title :

    Infrared data link using a multiple quantum well modulating retro-reflector on a small rotary-wing UAV


    Contributors:
    Rabinovich, W.S. (author) / Gilbreath, G.C. (author) / Bovais, C. (author) / Cochrell, K. (author) / Burris, H.R. (author) / Ferraro, M. (author) / Vilcheck, M. (author) / Mahon, R. (author) / Goins, K. (author) / Sokolsky, I. (author)


    Publication date :

    2000-01-01


    Size :

    1022411 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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