Photofission enables a unique
capability for the domain of non-chemical space propulsion. An ultra-intense
laser enables the capacity to induce nuclear fission through the development of
bre- msstrahlung photons. A fundamental architecture and performance analysis
of a photofission pulsed space propulsion system through the operation of an
ultra-intense laser is presented. A historical perspective of previous
conceptual nuclear fission propulsion systems is addressed. These applications
use neutron derived nuclear fission; however, there is inherent complexity that
has precluded further development. The background of photofission is detailed. The
conceptual architecture of photofission pulsed space propulsion and fundamental
performance parameters are established. The implications are the energy source
and ultra-intense laser can be situated far remote from the propulsion system. Advances
in supporting laser technologies are anticipated to increase the potential for
photofission pulsed space propulsion. The fundamental performance analysis of
the photofission pulsed space propulsion system indicates the architecture is
feasible for further evaluation.
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