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Cavites De Haute Finesse Pour La Spectroscopie Dabsorption Haute Sensibilite Et Haute Precision
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Book Synopsis Cavités de haute finesse pour la spectroscopie d'absorption haute sensibilité et haute précision by : Vincent Motto-Ros
Download or read book Cavités de haute finesse pour la spectroscopie d'absorption haute sensibilité et haute précision written by Vincent Motto-Ros and published by . This book was released on 2005 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: La haute sensibilité permise par l'emploi des cavités optiques est exploitée pour caractériser la signature de molécules d'intérêt atmosphérique. Deux méthodologies sont abordées. Tout d'abord, la technique CW-CRDS est utilisée pour étudier l'évolution avec la pression et la température des spectres atmosphériques de la vapeur d'eau dans le proche infrarouge. Cette étude, destinée à calibrer des mesures par Lidar, entre dans le cadre de la mission WALES proposée par l'Agence Spatiale Européenne. Ensuite, la technique OF-CEAS et ses performances pour la spectroscopie sont mises en évidence avec la bande B de l'oxygène dans le rouge. Cette technique repose sur un schéma d'injection avec rétroaction optique qui permet d'augmenter la cohérence de l'émission laser et mesurer les maxima de transmission des modes. La linéarité du peigne de mode de la cavité est exploitée grâce à une acquisition mode par mode qui permet la mesure de "pressure shifts" de l'oxygène avec une précision record
Book Synopsis Methods of Detecting Exoplanets by : Valerio Bozza
Download or read book Methods of Detecting Exoplanets written by Valerio Bozza and published by Springer. This book was released on 2016-04-12 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, renowned scientists describe the various techniques used to detect and characterize extrasolar planets, or exoplanets, with a view to unveiling the “tricks of the trade” of planet detection to a wider community. The radial velocity method, transit method, microlensing method, and direct imaging method are all clearly explained, drawing attention to their advantages and limitations and highlighting the complementary roles that they can play in improving the characterization of exoplanets’ physical and orbital properties. By probing the planetary frequency at different distances and in different conditions, these techniques are helping astrophysicists to reconstruct the scenarios of planetary formation and to give robust scientific answers to questions regarding the frequency of potentially habitable worlds. Twenty years have passed since the discovery of a Jupiter-mass companion to a main sequence star other than the Sun, heralding the birth of extrasolar planetary research; this book fully conveys the exciting progress that has been achieved during the intervening period.
Book Synopsis Applied Reactor Physics by : Alain Hébert
Download or read book Applied Reactor Physics written by Alain Hébert and published by Presses inter Polytechnique. This book was released on 2009 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Organic Solid-State Lasers by : Sébastien Forget
Download or read book Organic Solid-State Lasers written by Sébastien Forget and published by Springer. This book was released on 2013-07-03 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic lasers are broadly tunable coherent sources, potentially compact, convenient and manufactured at low-costs. Appeared in the mid 60’s as solid-state alternatives for liquid dye lasers, they recently gained a new dimension after the demonstration of organic semiconductor lasers in the 90's. More recently, new perspectives appeared at the nanoscale, with organic polariton and surface plasmon lasers. After a brief reminder to laser physics, a first chapter exposes what makes organic solid-state organic lasers specific. The laser architectures used in organic lasers are then reviewed, with a state-of-the-art review of the performances of devices with regard to output power, threshold, lifetime, beam quality etc. A survey of the recent trends in the field is given, highlighting the latest developments with a special focus on the challenges remaining for achieving direct electrical pumping of organic semiconductor lasers. A last chapter covers the applications of organic solid-state lasers.
Book Synopsis Quantum Theory of Finite Systems by : Jean-Paul Blaizot
Download or read book Quantum Theory of Finite Systems written by Jean-Paul Blaizot and published by Mit Press. This book was released on 1986 with total page 657 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive and pedagogical account of the various methods used in the quantum theory of finite systems, including molecular, atomic, nuclear, and particle phenomena. Covering both background material and advanced topics and including nearly 200 problems, Quantum Theory of Finite Systems has been designed to serve primarily as a text and will also prove useful as a reference in research. The first of the book's four parts introduces the basic mathematical apparatus: second quantization, canonical transformations, Wick theorems and the resulting diagram expansions, and oscillator models. The second part presents mean field approximations and the recently developed path integral methods for the quantization of collective modes. Part three develops perturbation theory in terms of both time-dependent Feynman diagrams and time-independent Goldstone diagrams. A fourth part discusses variational methods based on correlated wavefunctions, including spin correlations. The approximation schemes are formulated for fermions and bosons at eigher zero or non-zero temperature. Although the formalism developed applies to both finite and infinite systems, the book stresses those aspects of the theory that are specific to the description of finite systems. Thus special attention is given to mean field approximations, the ensuing broken symmetries, and the associated collective motions such as rotations. Conversely, some specific features of systems with infinite numbers of degrees of freedom (such as the thermodynamic limit, critical phenomena, and the elimination of ultraviolet divergencies) are deliberately omitted. Jean-Paul Blaizot and Georges Ripka are associated with the Centre d'Etudes Nucleaires de Saclay.
Book Synopsis The Astronomical Revolution by : Alexandre Koyre
Download or read book The Astronomical Revolution written by Alexandre Koyre and published by Routledge. This book was released on 2013-04-15 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Originally published in English in 1973. This volume traces the development of the revolution which so drastically altered man’s view of the universe in the sixteenth and seventeenth centuries. The "astronomical revolution" was accomplished in three stages, each linked with the work of one man. With Copernicus, the sun became the centre of the universe. With Kepler, celestial dynamics replaced the kinematics of circles and spheres used by Copernicus. With Borelli the unification of celestial and terrestrial physics was completed by abandonment of the circle in favour the straight line to infinity.
Book Synopsis Transport Theory by : James J. Duderstadt
Download or read book Transport Theory written by James J. Duderstadt and published by John Wiley & Sons. This book was released on 1979 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt: Problems after each chapter
Book Synopsis Nuclear Computational Science by : Yousry Azmy
Download or read book Nuclear Computational Science written by Yousry Azmy and published by Springer Science & Business Media. This book was released on 2010-04-15 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nuclear engineering has undergone extensive progress over the years. In the past century, colossal developments have been made and with specific reference to the mathematical theory and computational science underlying this discipline, advances in areas such as high-order discretization methods, Krylov Methods and Iteration Acceleration have steadily grown. Nuclear Computational Science: A Century in Review addresses these topics and many more; topics which hold special ties to the first half of the century, and topics focused around the unique combination of nuclear engineering, computational science and mathematical theory. Comprising eight chapters, Nuclear Computational Science: A Century in Review incorporates a number of carefully selected issues representing a variety of problems, providing the reader with a wealth of information in both a clear and concise manner. The comprehensive nature of the coverage and the stature of the contributing authors combine to make this a unique landmark publication. Targeting the medium to advanced level academic, this book will appeal to researchers and students with an interest in the progression of mathematical theory and its application to nuclear computational science.
Book Synopsis Laser: 50 Years Of Discoveries by : Fabien Bretenaker
Download or read book Laser: 50 Years Of Discoveries written by Fabien Bretenaker and published by World Scientific. This book was released on 2014-10-27 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique book provides an overview of the principle and applications of lasers enriched with numerous illustrations.Being over fifty years old, lasers continue to amaze us. Their performance characteristics are constantly reaching new limits, and the scope of their applications continues to expand. Yet, it took years of effort by teams of physicists to transform the fundamental notions of Einstein into the first experimental beam of laser light. And history is still going on as fundamental research is now triggered by its remarkable properties.This book addresses every aspects of laser light, from its fundamental principles to its industrial applications, at a level particularly suited for high school teachers, students, and anybody curious about science and technology.
Book Synopsis The Physics of Nuclear Reactors by : Serge Marguet
Download or read book The Physics of Nuclear Reactors written by Serge Marguet and published by Springer. This book was released on 2018-02-26 with total page 1462 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive volume offers readers a progressive and highly detailed introduction to the complex behavior of neutrons in general, and in the context of nuclear power generation. A compendium and handbook for nuclear engineers, a source of teaching material for academic lecturers as well as a graduate text for advanced students and other non-experts wishing to enter this field, it is based on the author’s teaching and research experience and his recognized expertise in nuclear safety. After recapping a number of points in nuclear physics, placing the theoretical notions in their historical context, the book successively reveals the latest quantitative theories concerning: • The slowing-down of neutrons in matter • The charged particles and electromagnetic rays • The calculation scheme, especially the simplification hypothesis • The concept of criticality based on chain reactions • The theory of homogeneous and heterogeneous reactors • The problem of self-shielding • The theory of the nuclear reflector, a subject largely ignored in literature • The computational methods in transport and diffusion theories Complemented by more than 400 bibliographical references, some of which are commented and annotated, and augmented by an appendix on the history of reactor physics at EDF (Electricité De France), this book is the most comprehensive and up-to-date introduction to and reference resource in neutronics and reactor theory.
Book Synopsis Cambridge Yearbook of European Legal Studies, Vol 13, 2010-2011 by : Catherine Barnard
Download or read book Cambridge Yearbook of European Legal Studies, Vol 13, 2010-2011 written by Catherine Barnard and published by Bloomsbury Publishing. This book was released on 2011-12-15 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Cambridge Yearbook of European Legal Studies provides a forum for the scrutiny of significant issues in EU Law, the law of the European Convention on Human Rights, and Comparative Law with a 'European' dimension, and particularly those issues which have come to the fore during the year preceding publication. The contributions appearing in the collection are commissioned by the Centre for European Legal Studies (CELS) Cambridge, a research centre in the Law Faculty of the University of Cambridge specialising in European legal issues. The papers presented are at the cutting edge of the fields which they address, and reflect the views of recognised experts drawn from the University world, legal practice, and the institutions of both the EU and its Member States. Inclusion of the comparative dimension brings a fresh perspective to the study of European law, and highlights the effects of globalisation of the law more generally, and the resulting cross fertilisation of norms and ideas that has occurred among previously sovereign and separate legal orders. The Cambridge Yearbook of European Legal Studies is an invaluable resource for those wishing to keep pace with legal developments in the fast moving world of European integration. INDIVIDUAL CHAPTERS Please click on the link below to purchase individual chapters from Volume 13 through Ingenta Connect: www.ingentaconnect.com SUBSCRIPTION TO SERIES To place an annual online subscription or a print standing order through Hart Publishing please click on the link below. Please note that any customers who have a standing order for the printed volumes will now be entitled to free online access. www.hartjournals.co.uk/cyels/subs Editorial Advisory Board: Albertina Albors-Llorens, John Bell, Alan Dashwood, Simon Deakin, David Feldman, Richard Fentiman, Angus Johnston, John Spencer Founding Editors: Alan Dashwood and Angela Ward Ius Commune Prize 2012 Alexandre Saydé wrote Chapter 15 in this volume entitled: 'One Law, Two Competitions: An Enquiry into the Contradictions of Free Movement Law' and we are delighted to announce that he has been awarded the Ius Commune Prize 2012.
Download or read book Reactor Dosimetry written by Harry Farrar and published by ASTM International. This book was released on 1994 with total page 854 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the 8th ASTM-Euratom Symposium, held in Vail, Colorado, Aug.-Sept. 1993, to provide a forum for experts to discuss their latest results under the broad theme of dosimetry for the correlation of radiation effects. Preceded by a summary of the keynote presentations and followed by summa
Book Synopsis Notes on the Minor Prophets by : H. Ironside
Download or read book Notes on the Minor Prophets written by H. Ironside and published by Createspace Independent Publishing Platform. This book was released on 2016-03-24 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: It was with no definite purpose of writing a series of Notes on the Minor Prophets as a whole, that I first began to take up various books of the twelve, in monthly installments in HELP AND FOOD FOR THE HOUSEHOLD OF FAITH. But after penning some notes on Habakkuk, Jonah, and Obadiah, I found my own soul helped, and an interest developed in the further study of these much-neglected portions of Scriptures, and so took up Hosea and the books following. I have sought to press their practical application as giving important teaching for a remnant people in a day of decline, while not neglecting their dispensational bearing. This, I am persuaded, is what is greatly needed at the present moment. If God be pleased to use the Notes for the stirring of His people's consciences and the comfort of their hearts, the desired end will be realized. H. A. IRONSIDE.
Book Synopsis Socialism, Perestroika, and the Dilemmas of Soviet Economic Reform by : John E Tedstrom
Download or read book Socialism, Perestroika, and the Dilemmas of Soviet Economic Reform written by John E Tedstrom and published by Routledge. This book was released on 2021-12-13 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights that Soviet economic planners and politicians must come to recognize the need to make fundamental changes, not simply incremental refinements, in the failing Soviet system. It examines the dynamics of the process of perestroika and the complexity of individual economic issues.
Book Synopsis The Ladybird Illustrated by : D H Lawrence
Download or read book The Ladybird Illustrated written by D H Lawrence and published by Independently Published. This book was released on 2021-01-22 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The Ladybird is a long tale or novella by D. H. Lawrence.It was first drafted in 1915 as a short story entitled The Thimble. Lawrence rewrote and extended it under a new title in December 1921 and sent the final version to his English agent on 9 January 1922. It was collected with two other tales, The Captain's Doll and The Fox, and the three novellas were then published in London by Martin Secker in March 1923 under the title The Ladybird and in New York by Thomas Seltzer as The Captain's Doll in April 1923."
Book Synopsis Cavités optiques de haute finesse pour la mesure de composés à l'état de trace en phase gazeuse by : Meriam Triki
Download or read book Cavités optiques de haute finesse pour la mesure de composés à l'état de trace en phase gazeuse written by Meriam Triki and published by . This book was released on 2008 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le thème central de ce travail de thèse est consacré à la mesure de concentrations de gaz à l'état de traces par spectroscopie d'absorption à haute sensibilité dans le domaine de l'infrarouge et du visible. Différentes sources spectrales sont employées, des lasers à émission verticale en cavité externe (VECSELs), des diodes laser à cavité externe (ECDLs) et des diodes électroluminescentes à émission large bande (LEDs). Deux techniques sont abordées : la OF-CEAS (Optical-Feedback Cavity, Enhanced Absorption Spectroscopy) et la IBB-CEAS (Incoherent Broadband-Cavity Enhanced Absorption Spectroscopy). D'abord, les notions nécessaires à la compréhension des techniques considérées sont présentées. Suit la description du développement d'un système IBB-CEAS avec une source LED émettant autour de 643 nm, avec application à la détection des oxydes d'azote à l'état de traces. Les résultats obtenus mettent en avant les avantages de cette technique en termes de simplicité, robustesse et de compacité. La limite de détection obtenue pour le radical NO2 est estimée à 1 ppbv pour deux minutes de temps d'acquisition. Pour la deuxième étude concernant une source laser de type VECSEL émettant à 2.3 μm et pompé optiquement, le résultat principal a été l'obtention d'un balayage monofréquence sur une grande plage spectrale de l'ordre de 16.5 cm-1. Cela a demandé un balayage simultané de la température et de la longueur de la cavité laser. Ensuite, des essais préliminaires on été effectués pour coupler cette source avec la technique OF-CEAS. Ces essais ont révélé un problème de stabilité du comportement monofréquence de la source VECSEL en présence de rétroaction optique. Enfin, la faisabilité de la technique OF-CEAS avec une source ECDL émettant dans l'infrarouge proche pour le diagnostic des décharges à basse pression a été démontrée. Le coefficient d'absorption minimale obtenu est de l'ordre de 10-9 cm-1 pour un temps d'acquisition court (0.1 s), valeur typique atteinte auparavant dans divers systèmes OF-CEAS. Des essais ont été réalisés avec une décharge en flux d'argon avec des traces de méthane autour de 1 mbar. Le même niveau de bruit a été observé que sans décharge. Cependant, dans la gamme spectrale accessible avec le ECDL disponible, les radicaux de type CHX produits dans ce type de décharge n'ont pas été détectés.
