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Laser physics and nonlinear optics are fields which have been
intimately con nected from their beginning. Nonlinear optical
effects such as second-har monic generation fulfil vital functions
in many laser systems. Conversely advances in laser development
quickly lead to progress in nonlinear optics. Of particular
importance has been the development of tunable visible and uv
lasers. With the ability to tune the laser frequency into close
resonance with atomic transition frequencies, one can produce a
large resonance en hancement of the nonlinearity. This permits the
observation of a great var iety of nonlinear optical processes in
dilute media such as atomic vapours. In recent years much of the
research effort in nonlinear optics has been directed towards the
use of such media, and it is this area which forms the subject of
the present book. We review a wide range of nonlinear optical
processes in atomic vapours, molecular gases and cryogenic liquids.
At the same time we have tried to treat the subject in sufficient
depth to be useful to research workers in the field. To achieve
this, a measure of selectivity has been introduced by emphasising
those nonlinear processes which are seen to have applications as
sources of tunable coherent radiation. Thus we have not discussed
in any detail those nonlinear processes whose main applications are
in spec troscopy, such as Doppler-free two-photon absorption."
Paolo Ulivi and David Harland provide in Robotic Exploration of the
Solar System a detailed history of unmanned missions of exploration
of our Solar System. The subject is treated from an engineering and
scientific standpoint. Technical descriptions of the spacecraft, of
their mission designs and of instrumentations are provided.
Scientific results are discussed in considerable depth, together
with details of mission management. The project will deliver four
volumes totaling over 2,000 pages that will provide comprehensive
coverage of the topic with thousands of references to the
professional literature that should make it the 'first port of
call' for people seeking information on the topic. The books will
cover missions from the 1950s until the present day, and some of
the latest missions and their results will appear in a popular
science book for the first time.
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