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High-power Laser Radiation In Atmospheric Aerosols

RRP $7.99

Unique properties of laser radiation including its monochromatic properties, polarization, high spectral intensity, coherence, narrow beam divergence, the possibility of controlling the pulse duration and radiation spectrum and, finally, the fact that extremely high power and energy create very favorable conditions for the extensive application of lasers to communi- cation systems, systems for the lidar sensing and ultra-high-precision ranging, navigation, remote monitoring of the environment, and many other systems operating in the atmosphere. The operative efficiency of the above systems depends significantly on the state of the atmosphere and the corresponding behavior of laser radia- tion propagating through it. This circumstance has stimulated the studies of the above regularities during the passt 10-15 years. For the investiga- tions to be carried out the scientists were forced to develop new theories and methods for studying the problem experimentally. Moreover, during such investigations some previously unknown phenomena were observed, among them the nonlinear effects accompanying high-power laser radiation propagating through the atmosphere are of paramount importance. Among the nonlinear effects caused by high-power laser radiation inter- action with the atmosphere, the effects accompanying the propagation of high-power radiation through the atmospheric aerosols are of particular interest. Aerosols always occur in the atmosphere. It should be noted that the microphysical and optical characteristics of atmospheric aerosols vary widely, this fact causes a great variety in the features of their inter- action with radiation.


A Census Of Greek Medical Manuscripts

RRP $268.99

Manuscripts containing Greek medical texts were inventoried by authors and works at the beginning of the 20th century by a group of philologists under the direction of Hermann Diels. Useful as it was - and will continue to be - Diels'catalogue omitted authors and works, misidentified manuscripts, and overlooked codices. Furthermore, after the publication of the catalogue, some libraries have adopted a new system of classification, manuscripts have been destroyed, items have changed location during the 20th century, and new ones came to light. The present Census is a checklist of the Greek medical manuscripts currently known in collections worldwide. It is both an amended and updated index of Diels' catalogue, and a list of the items missed or overlooked in Diels, or located since. Although it does not supersede Diels' catalogue, it is the indispensable instrument for a New Diels, and will be the reference for years to come for any new critical edition and medico-historical research based on manuscripts, besides providing the basis for a broad range of other historical inquiries, from codicology to the history of medicine and science, including Byzantine intellectual history, Renaissance studies and humanism, history of the book and early printing, and the history of medical philology and learning.



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