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Author: N. F. Ramsey
Publisher: World Scientific
ISBN: 9789812795717
Category : Science
Languages : en
Pages : 464
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Book Description
This invaluable volume contains a biography of Nobel laureate Norman F Ramsey as well as reprints and retrospective commentaries on 56 papers relating to spectroscopy with coherent radiation. The earliest papers describe his work with I I Rabi, developing the then new magnetic resonance method and its uses to measure magnetic moments of the different forms of hydrogen and to discover the deuteron electric quadrupole moment. Later papers include his invention of the method of coherent separated oscillatory fields, the development of the atomic hydrogen maser and the uses of these methods to measure properties of nucleons, nuclei, atoms and molecules and to test parity and time reversal symmetries. Other papers present the first successful theories of nuclear magnetic shielding, NMR chemical shifts, electron-coupled nuclear spin-spin interactions and negative absolute temperatures.
Author: N. F. Ramsey
Publisher: World Scientific
ISBN: 9789812795717
Category : Science
Languages : en
Pages : 464
Get Book
Book Description
This invaluable volume contains a biography of Nobel laureate Norman F Ramsey as well as reprints and retrospective commentaries on 56 papers relating to spectroscopy with coherent radiation. The earliest papers describe his work with I I Rabi, developing the then new magnetic resonance method and its uses to measure magnetic moments of the different forms of hydrogen and to discover the deuteron electric quadrupole moment. Later papers include his invention of the method of coherent separated oscillatory fields, the development of the atomic hydrogen maser and the uses of these methods to measure properties of nucleons, nuclei, atoms and molecules and to test parity and time reversal symmetries. Other papers present the first successful theories of nuclear magnetic shielding, NMR chemical shifts, electron-coupled nuclear spin-spin interactions and negative absolute temperatures.
Author: Norman Ramsey
Publisher: World Scientific
ISBN: 9810232500
Category : Science
Languages : en
Pages : 457
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Book Description
This invaluable volume contains a biography of Nobel laureate Norman F Ramsey as well as reprints and retrospective commentaries on 56 papers relating to spectroscopy with coherent radiation. The earliest papers describe his work with I I Rabi, developing the then new magnetic resonance method and its uses to measure magnetic moments of the different forms of hydrogen and to discover the deuteron electric quadrupole moment. Later papers include his invention of the method of coherent separated oscillatory fields, the development of the atomic hydrogen maser and the uses of these methods to measure properties of nucleons, nuclei, atoms and molecules and to test parity and time reversal symmetries. Other papers present the first successful theories of nuclear magnetic shielding, NMR chemical shifts, electron-coupled nuclear spin-spin interactions and negative absolute temperatures.
Author: Norman F Ramsey
Publisher: World Scientific
ISBN: 9814497010
Category : Science
Languages : en
Pages : 457
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Book Description
This invaluable volume contains a biography of Nobel laureate Norman F Ramsey as well as reprints and retrospective commentaries on 56 papers relating to spectroscopy with coherent radiation. The earliest papers describe his work with I I Rabi, developing the then new magnetic resonance method and its uses to measure magnetic moments of the different forms of hydrogen and to discover the deuteron electric quadrupole moment. Later papers include his invention of the method of coherent separated oscillatory fields, the development of the atomic hydrogen maser and the uses of these methods to measure properties of nucleons, nuclei, atoms and molecules and to test parity and time reversal symmetries. Other papers present the first successful theories of nuclear magnetic shielding, NMR chemical shifts, electron-coupled nuclear spin-spin interactions and negative absolute temperatures.
Author: Jeffrey Steinfeld
Publisher: Springer Science & Business Media
ISBN: 1468423525
Category : Science
Languages : en
Pages : 543
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Book Description
The impact which has been made on spectroscopy by lasers, and by this route on major segments of physics and chemistry, has received ample documen tation in the past several years. Two principal themes emerge from examina tion of the numerous books and monographs now available on this subject: first, an increase in spectral resolution to levels previously undreamed of; and, second, the generation of nonlinear phenomena as a result of the intense radiation fields available from laser devices. There is one additional property of laser radiation which, although used extensively in experiments, does not appear to have been as thoroughly reviewed as the foregoing aspects. This is the spatial and temporal coherence of the radiation field produced by the laser, which makes possible the coherent excitation of molecular energy states. This feature is the subject of the present volume. While the use of coherence methods in spectroscopy has been paced by lasers, it is by no me ans restricted to this technology. In the second and fourth chapters, microwave sources are discussed as generators of coherent radiation fields and are used to probe both rotational energy levels and spin states of electronically excited molecules. The phenomena discussed in this book, such as nutation, free induction decay, radiative echoes, rapid pas sage, and so forth, are really the same in different regions of the spectrum, and themselves echo from one chapter to the next.
Author: A.W. Saenz
Publisher: Springer Science & Business Media
ISBN: 3642511856
Category : Science
Languages : en
Pages : 246
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Book Description
Energetic electromagnetic radiation finds frequent uses in science (e. g. , for expe riments in nuclear and elementary - particle physics), in technology (for materials testing), and in medicine (for medical X-rays). The most common method of genera ting such radiation is via the process of "bremsstrahlung" (a German term coined by A. Sommerfeld, meaning "braking radiation") in which a beam of electrons is direc ted into matter (e. g. , a metal target), losing energy during its collisions with the atoms and releasing this energy in the form of emitted radiation. The character of such radiation may be drastically changed by the use of a tar get with periodic structure (most commonly, a crystal target). The coherent waves emitted from individual crystal atoms interfere with each other, monochromatizing and polarizing the radiation and often increasing its intensity manifold, thereby creating a powerful radiation source of high quality for purposes of scientific and technical applications. This is true both for the well - established "coherent bremsstrahlung" process in which the interfering radiation is emitted while the electrons cross a succession of crystal planes, as well as for the more recently discovered process of "channeling radiation" (generating radiation of even higher intensity, but lower energy) in which the radiation is emitted while the electrons propagate along a crystal plane, or a crystal axis, in an oscillatory fashion.
Author: F.T. Arecchi
Publisher: Springer Science & Business Media
ISBN: 1461328713
Category : Science
Languages : en
Pages : 403
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Book Description
This volume contains the lectures and seminars presented at the NATO Advanced Study Institute on "Coherence in Spectroscopy and Modern Physics," the seventh course of the International School of Quantum Electronics, affiliated with the "Ettore Majorana" Centre for Scientific Culture, Erice, Sicily. The Institute was held at Villa LePianore (Lucca), Versilia, Italy, July 17-30, 1977. The International School of Quantum Electronics was started in 1970 with the aim of providing instruction for young researchers and advanced students already engaged in the area of quantum electronics or wishing to switch to this area from a different background. From the outset the School has been under the direction of Prof. F. T. Arecchi, then at the University of Pavia, now at the University of Florence, and Dr. D. Roess of Siemens, Munich. Each year the Directors choose a subject of particular interest, alternating fundamental topics with technological ones, and ask colleagues specifically competent in a given area to take the scientific responsibility for that course.
Author: Minhaeng Cho
Publisher: Springer
ISBN: 9789811397554
Category : Science
Languages : en
Pages : 394
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Book Description
This book will fulfill the needs of time-domain spectroscopists who wish to deepen their understanding of both the theoretical and experimental features of this cutting-edge spectroscopy technique. Coherent Multidimensional Spectroscopy (CMDS) is a state-of-the-art technique with applications in a variety of subjects like chemistry, molecular physics, biochemistry, biophysics, and material science. Due to dramatic advancements of ultrafast laser technologies, diverse multidimensional spectroscopic methods utilizing combinations of THz, IR, visible, UV, and X-ray radiation sources have been developed and used to study real time dynamics of small molecules in solutions, proteins and nucleic acids in condensed phases and membranes, single and multiple excitons in functional materials like semiconductors, quantum dots, and solar cells, photo-excited states in light-harvesting complexes, ions in battery electrolytes, electronic and conformational changes in charge or proton transfer systems, and excess electrons and protons in water and biological systems.
Author: Jeffrey I. Steinfeld
Publisher: Courier Corporation
ISBN: 0486137546
Category : Science
Languages : en
Pages : 514
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Book Description
This unified treatment introduces upper-level undergraduates and graduate students to the concepts and methods of modern molecular spectroscopy and their applications to quantum electronics, lasers, and related optical phenomena. Starting with a review of the prerequisite quantum mechanical background, the text examines atomic spectra and diatomic molecules, including the rotation and vibration of diatomic molecules and their electronic spectra. A discussion of rudimentary group theory advances to considerations of the rotational spectra of polyatomic molecules and their vibrational and electronic spectra; molecular beams, masers, and lasers; and a variety of forms of spectroscopy, including optical resonance spectroscopy, coherent transient spectroscopy, multiple-photon spectroscopy, and spectroscopy beyond molecular constants. The text concludes with a series of useful appendixes.
Author: A.W. Saenz
Publisher: Springer
ISBN: 9783642511875
Category : Science
Languages : en
Pages : 235
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Book Description
Energetic electromagnetic radiation finds frequent uses in science (e. g. , for expe riments in nuclear and elementary - particle physics), in technology (for materials testing), and in medicine (for medical X-rays). The most common method of genera ting such radiation is via the process of "bremsstrahlung" (a German term coined by A. Sommerfeld, meaning "braking radiation") in which a beam of electrons is direc ted into matter (e. g. , a metal target), losing energy during its collisions with the atoms and releasing this energy in the form of emitted radiation. The character of such radiation may be drastically changed by the use of a tar get with periodic structure (most commonly, a crystal target). The coherent waves emitted from individual crystal atoms interfere with each other, monochromatizing and polarizing the radiation and often increasing its intensity manifold, thereby creating a powerful radiation source of high quality for purposes of scientific and technical applications. This is true both for the well - established "coherent bremsstrahlung" process in which the interfering radiation is emitted while the electrons cross a succession of crystal planes, as well as for the more recently discovered process of "channeling radiation" (generating radiation of even higher intensity, but lower energy) in which the radiation is emitted while the electrons propagate along a crystal plane, or a crystal axis, in an oscillatory fashion.
Author: Guglielmo Lanzani
Publisher: CRC Press
ISBN: 1420017519
Category : Science
Languages : en
Pages : 286
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Book Description
Remarkable developments in the spectroscopy field regarding ultrashort pulse generation have led to the possibility of producing light pulses ranging from 50 to5 fs and frequency tunable from the near infrared to the ultraviolet range. Such pulses enable us to follow the coupling of vibrational motion to the electronic transitions in molecules and
