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Congressional language in the 1998 US Senate Armed Services Committee authorization bill directed ‘... the Secretary of the (United States) Air Force to undertake a design study of a system that could catalog and track debris down to one centimeter in size out to 1000 kilometer in altitude.’ The US Air Force Research Laboratory, in conjunction with other US National Laboratories and the National Aeronautics...
In the generation and propagation of both high and low power laser beams in the atmosphere, many physical processes cause distortions on the optical wave fronts. Whether these are localized or distributed, due to the power aspects of the beam or simply due to an accumulation of linear optical effects, the overall result is a loss of the quality of the beam. The usual result of these aberrations is...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.