Space optical communications with the Nd: YAG laser

Authors:
  • PFP. Freedman
    P. Freedman
  • JAJ. Abernathy
    J. Abernathy
  • GMG. Matassov
    G. Matassov
  • JWJ. Wolf
    J. Wolf
  • JBJ.D. Barry
    J.D. Barry

Abstract
The development of a Nd : YAG space laser communication system is discussed with respect to history, potential applications, and present status. The basic design of an Air Force Space Communications Flight Test operable at a data rate of 1000 Mbit/s is described at both the system and component level. An engineering feasibility model of this system has been completed, and the results of tests data are reported. Communications at 1000 Mbit/s with a receiver sensitivity of 20 photoelectrons/bit was demonstrated for a bit error rate of 10-6, interterminal tracking with angle erros less than 1 µrad, and station to station acquisition in less than 6 s. A simulated range of 40 000 km was used.

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