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Coherent Raman Scattering In High Pressure
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Book Synopsis Coherent Raman Scattering in High-pressure by :
Download or read book Coherent Raman Scattering in High-pressure written by and published by . This book was released on 1990 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present understanding of high-pressure/high-temperature dense-fluid behavior is derived almost exclusively from hydrodynamic and thermodynamic measurements. Such results average over the microscopic aspects of the materials and are, therefore, insufficient for a complete understanding of fluid behavior. At the present, dense-fluid models can be verified only to the extend that they agree with the macroscopic measurements. Recently, using stimulated Raman scattering, Raman induced Kerr effect scattering, and coherent anti-Stokes Raman scattering, we have been able to probe some of the microscopic phenomenology of these dense fluids. In this paper, we discuss primarily the use of CARS in conjunction with a two-stage light-gas gun to obtain vibrational spectra of shock-compressed liquid N2, O2, CO, their mixtures, CH3NO2, and N2O. These experimental spectra are compared to synthetic spectra calculated using a semiclassical model for CARS intensities and best fit vibrational frequencies, peak Raman susceptibilities, and Raman linewidths. For O2, the possibility of resonance enhancement from collision-induced absorption is addressed. Shifts in the vibrational frequencies reflect the influence of increased density and temperature on the intramolecular motion. The derived parameters suggest thermal equilibrium of the vibrational levels is established less than a few nanoseconds after shock passage. Vibrational temperatures are obtained that agree with those derived from equation-of-state calculations. Measured linewidths suggest that vibrational dephasing times have decreased to subpicosecond values at the highest shock pressures.
Book Synopsis Coherent Anti-stokes Raman Scattering in Molecular Solids at High Pressure by : David J. Strachan
Download or read book Coherent Anti-stokes Raman Scattering in Molecular Solids at High Pressure written by David J. Strachan and published by . This book was released on 1989 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Measurements of Pressure, Temperature, and Density Using High-resolution N2̳ Coherent Anti-Stokes Raman Scattering by : Mark Allen Woodmansee
Download or read book Experimental Measurements of Pressure, Temperature, and Density Using High-resolution N2̳ Coherent Anti-Stokes Raman Scattering written by Mark Allen Woodmansee and published by . This book was released on 1999 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coherent Raman Spectroscopy by : Gerd Marowsky
Download or read book Coherent Raman Spectroscopy written by Gerd Marowsky and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress made during the last few years in nonlinear optics and quantum electronics has significantly increased our understanding of the interactionbetween light and matter. Of great importance are third-order nonlinear Raman techniques such as CARS, RIKES, SRS, and DFWM. This book reflects the state of the art in coherent Raman spectroscopy. The contributions together provide an overview of the various Raman techniques that make available information about the fine structure of molecular energy levels, the collisional dynamics of atoms and molecules, and processes of internal energy disipation. Some of the contributions also report on the application of local, nonperturbing diagnosic methods forthe determination of parameters such as composition, temperature, density, velocity, and energy distribution between the internal degrees of freedom.
Book Synopsis Coherent Anti-stokes Raman Spectroscopy by : Stanford University. Ginzton Laboratory
Download or read book Coherent Anti-stokes Raman Spectroscopy written by Stanford University. Ginzton Laboratory and published by . This book was released on 1977 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stimulated Raman Scattering Microscopy by : Ji-Xin Cheng
Download or read book Stimulated Raman Scattering Microscopy written by Ji-Xin Cheng and published by Elsevier. This book was released on 2021-12-04 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stimulated Raman Scattering Microscopy: Techniques and Applications describes innovations in instrumentation, data science, chemical probe development, and various applications enabled by a state-of-the-art stimulated Raman scattering (SRS) microscope. Beginning by introducing the history of SRS, this book is composed of seven parts in depth including instrumentation strategies that have pushed the physical limits of SRS microscopy, vibrational probes (which increased the SRS imaging functionality), data science methods, and recent efforts in miniaturization. This rapidly growing field needs a comprehensive resource that brings together the current knowledge on the topic, and this book does just that. Researchers who need to know the requirements for all aspects of the instrumentation as well as the requirements of different imaging applications (such as different types of biological tissue) will benefit enormously from the examples of successful demonstrations of SRS imaging in the book. Led by Editor-in-Chief Ji-Xin Cheng, a pioneer in coherent Raman scattering microscopy, the editorial team has brought together various experts on each aspect of SRS imaging from around the world to provide an authoritative guide to this increasingly important imaging technique. This book is a comprehensive reference for researchers, faculty, postdoctoral researchers, and engineers. Includes every aspect from theoretic reviews of SRS spectroscopy to innovations in instrumentation and current applications of SRS microscopy Provides copious visual elements that illustrate key information, such as SRS images of various biological samples and instrument diagrams and schematics Edited by leading experts of SRS microscopy, with each chapter written by experts in their given topics
Book Synopsis Coherent and Spontaneous Raman Spectroscopy in Shocked and Unshocked Liquids by :
Download or read book Coherent and Spontaneous Raman Spectroscopy in Shocked and Unshocked Liquids written by and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Coherent and non-coherent Raman spectroscopy is being used to study the structure and energy transfer in molecular liquids at high pressures. Stimulated Raman scattering, coherent anti-Stokes Raman scattering, and Raman induced Kerr effect scattering measurements have been performed in liquid benzene and liquid nitromethane shocked to pressures up to 11 GPa. Frequency shifts were observed for the 992 cm−1 ring stretching mode of benzene and the 920 cm−1 CN stretching mode of nitromethane. Results of these dynamic experiments are compared to spontaneous Raman scattering measurements made in a high temperature diamond anvil cell. Also, a picosecond infrared pump/spontaneous anti-Strokes Raman probe experiment is being used to measure CH stretch vibrational relaxation times in liquid halogenated methanes statically compressed to a few tenths GPa. 87 refs., 17 figs.
Book Synopsis Coherent Raman Scattering Measurements of Vibrational Frequency Shifts in Shock-compressed Organic Liquids by :
Download or read book Coherent Raman Scattering Measurements of Vibrational Frequency Shifts in Shock-compressed Organic Liquids written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The techniques of backward stimulated Raman scattering (BSRS) and reflected broad-band coherent anti-Stokes Raman scattering (RBBCARS) have been used to measure vibrational frequency shifts in shock-compressed liquid benzene and mixtures of liquid benzene and liquid deuterated benzene. BSRS was used only for measurements in neat liquid benzene as it only allows observation of the highest gain vibrational transition. RBBCARS was used to simultaneously measure multiple vibrational modes of multiple species. Accompanying static high pressure Raman experiments in a heated diamond anvil cell were used to establish the phase of the shocked samples. These experiments demonstrate the capabilities of fast nonlinear optical techniques in the study of material structure and chemical reaction induced by shock-compression.
Book Synopsis Coherent Raman Scattering Microscopy by : Ji-Xin Cheng
Download or read book Coherent Raman Scattering Microscopy written by Ji-Xin Cheng and published by CRC Press. This book was released on 2016-04-19 with total page 603 pages. Available in PDF, EPUB and Kindle. Book excerpt: The First Book on CRS MicroscopyCompared to conventional Raman microscopy, coherent Raman scattering (CRS) allows label-free imaging of living cells and tissues at video rate by enhancing the weak Raman signal through nonlinear excitation. Edited by pioneers in the field and with contributions from a distinguished team of experts, Coherent Raman Sc
Book Synopsis Dual-pump Coherent Anti-Stokes Raman Scattering Technique for Simultaneous Measurement of Pressure and Temperature by : Robert E. Foglesong
Download or read book Dual-pump Coherent Anti-Stokes Raman Scattering Technique for Simultaneous Measurement of Pressure and Temperature written by Robert E. Foglesong and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coherent Raman Spectroscopy: Applications And New Developments - Proceedings Of The Xi European Cars Workshop by : F Castellucci
Download or read book Coherent Raman Spectroscopy: Applications And New Developments - Proceedings Of The Xi European Cars Workshop written by F Castellucci and published by World Scientific. This book was released on 1993-02-09 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: The meeting was a forum on the 'state of the art' of the fundamental aspects and the applications of Coherent Antistokes Raman Scattering (CARS) and related nonlinear optic techniques.This volume contains the works of outstanding scientists from the most distinguished research centers of universities, public and private institutions in Europe and other countries, who work on the theory and application of nonlinear laser spectroscopic techniques to the study of gas combustion kinetics, noninterfering flame temperature measurements, high temperature reactors, plasmas and the exciton and vibrational dynamics in condensed phases.
Book Synopsis Coherent Raman Spectroscopy by : G. L. Eesley
Download or read book Coherent Raman Spectroscopy written by G. L. Eesley and published by Elsevier. This book was released on 2013-10-22 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coherent Raman Spectroscopy provides a unified and general account of the fundamental aspects of nonlinear Raman spectroscopy, also known as coherent Raman spectroscopy. The theoretical basis from which coherent Raman spectroscopy developed is described, along with its applications, utility, and implementation as well as advantages and disadvantages. Experimental data which typifies each technique is presented. This book is comprised of four chapters and opens with an overview of nonlinear optics and coherent Raman spectroscopy, followed by a discussion on nonlinear transfer function of matter. The derivation of third-order nonlinear effects is described and the problem is specialized to one dimension by assuming monochromatic plane waves propagating in the z direction. The next chapter reviews the salient features of seven coherent Raman techniques by calculating the resonant and non-resonant signal contributions in the monochromatic plane wave limit. Finally, the general areas of application of coherent Raman spectroscopy are highlighted. This monograph is written primarily for uninitiated or endeavoring coherent Raman spectroscopists and should also be of interest to experienced industrial and academic researchers.
Book Synopsis Coherent Anti-Stokes Raman Spectroscopy of Shock-compressed Liquid Oxygen by :
Download or read book Coherent Anti-Stokes Raman Spectroscopy of Shock-compressed Liquid Oxygen written by and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Vibrational spectra of liquid oxygen, shock compressed to several high-pressure/high-temperature states, were obtained using single- pulse multiplex coherent anti-Stokes Raman scattering (CARS). The experimental spectra were compared to synthetic spectra calculated using a semiclassical model for the CARS intensities and best fit vibrational frequencies, peak Raman susceptibilities, and Raman linewidths. Up to the maximum shock pressure of 9.6 GPa, the vibrational frequencies were found to increase monotonically with pressure. An empirical fit, which could be used as a pressure/temperature/frequency calibration standard, showed that the Raman frequency shifts could be accurately described by linear pressure and temperature dependences. Above /approx/9 GPa, the liquid oxygen opacity at 632.8 nm increased rapidly, presumably because of proximity (collision)-induced absorption. Calculations showed that the induced absorption did not resonantly enhance the CARS spectra, but did attenuate the laser beams and the CARS signals. 33 refs., 2 figs., 1 tab.
Book Synopsis Stimulated Raman Scattering in High Pressure Oxygen and Its Role in the Relief (Raman Excitation + Laser Induced Flourescence) Flow Tagging Technique by : Boying Barry Zhang
Download or read book Stimulated Raman Scattering in High Pressure Oxygen and Its Role in the Relief (Raman Excitation + Laser Induced Flourescence) Flow Tagging Technique written by Boying Barry Zhang and published by . This book was released on 1994 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Molecular Spectroscopy of Dynamically Compressed Materials by : David S. Moore
Download or read book Molecular Spectroscopy of Dynamically Compressed Materials written by David S. Moore and published by Springer Nature. This book was released on 2022-07-04 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers historical and state-of-the-art molecular spectroscopy methods and applications in dynamic compression science, aimed at the upcoming generation in physical sciences involved in studies of materials at extremes. It begins with addressing the motivation for probing shock compressed molecular materials with spectroscopy and then reviews historical developments and the basics of the various spectroscopic methods that have been utilized. Introductory chapters are devoted to fundamentals of molecular spectroscopy, overviews of dynamic compression technologies, and diagnostics used to quantify the shock compression state during spectroscopy experiments. Subsequent chapters describe all the molecular spectroscopic methods used in shock compression research to date, including theory, experimental details for application to shocked materials, and difficulties that can be encountered. Each of these chapters also includes a section comparing static compression results. The last chapter offers an outlook for the future, which leads the next-generation readers to tackling persistent problems.
Book Synopsis Science and Technology of High Pressure by : Murli H. Manghnani
Download or read book Science and Technology of High Pressure written by Murli H. Manghnani and published by Universities Press. This book was released on 2000 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt: These books presents a wide spectrum of research and development activities in the field of High Pressure Science and Technology. These book provide comprehensive and interdisciplinary descriptions of recent research accomplishments in the biological, chemical, Earth, materrals, physical, physiological and related sciences.
Book Synopsis Nonsteady Burning and Combustion Stability of Solid Propellants by : Martin Summerfield
Download or read book Nonsteady Burning and Combustion Stability of Solid Propellants written by Martin Summerfield and published by AIAA. This book was released on 1992 with total page 922 pages. Available in PDF, EPUB and Kindle. Book excerpt:
