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v. 2 ISBN 9780306371424
内容説明
Paul Harteck Rensselaer Polytechnic Institute Troy, New York When the Maser and the Laser Were discovered, people were speculating if this was the beginning of a new page, or even a new chapter, in the Book of Physics. The Second Workshop on "Laser Interaction and Related Plasma Phenomena" held in Hartford made it clear that the perspective had changed, that people now question if the consequences of these discoveries constitute a new chapter, or possibly a new era in Physics. While the papers presented were all stimulating and of out- standing quality, of special interest were the experiments which demonstrated that triggering of thermonuclear fusion by Laser techniques is indeed in the realm of the possible. Along these lines, I enjoy recalling an anecdote concerning the late F. G. Houtermans. I think that all who knew him will agree that he was an unusual genius and at the same time a very amusing colleague.
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v. 3A ISBN 9780306371431
内容説明
As was the case in the two preceding workshops of 1969 and 1971, the Third Workshop on "Laser Interaction and Related Plasma Phenomena" held in 1973 was of international character. The main purpose was to review the advanced status of this particular and turbulent field of physics as it had developed vigorously in all major laboratories of the world since 1971. Due to recently accelerated advancements, it was hardly possible to present a com- plete tutorial review; the subject is still in its premature stages and changing rapidly. A topical conference would have been too specific for a group of physicists with broad backgrounds working in the field or for those just about to enter it. It was the aim of the workshop and it is the aim of these proceedings to help this large group of scientists find their way within the highly complex and sometimes confusing results of a new field. We optimized the task of the workshop with extensive reviews on severa~ topics and at the same time included more detailed infor- mation for specialists. The differences in their conclusions were not a matter of contention but rather served to complement the advanced results.
As in the preceding workshops, we directed our attention toward critical realism in respect to the complexity of the field. What is meant here is exemplified in the contribution by R. Sigel W.667).
目次
I. High Power Lasers.- Futurology of High Intensity Lasers (Keynote Address).- Electron Beam Controlled CO2 Lasers at Los Alamos.- High Power UV-Preionized CO2 Lasers.- Review of CW High-Power Laser Technology.- On the Feasibility of Nuclear Pumping of Gas Lasers.- Comparison of Direct and Discharge Pumping in CO2 Lasers.- High Power Chemical Lasers: Problems and Perspectives.- The Iodine Laser, a High Power Gas Laser.- Damage Constraints in the Design of High Energy Lasers for Fusion Applications.- Summary of Discussions and Comments.- II. Medium Intense Laser Plasma Interaction.- Laser Absorption Waves in the Atmosphere.- Interaction of High Power Pulsed CO2 Lasers with Solid Targets.- Measurements of Spontaneous Magnetic Fields in Laser-Produced Plasmas.- Theory of Magnetically Induced Rotation and a Dynamo Effect in Laser Plasmas.- Microwave Studies of Magnetically Induced Counterstreaming Interactions in Laser-Produced Plasma.- Summary of Discussions and Comments.- III. Theory of Instabilities and Nonlinear Processes.- Laser-Induced Instabilities and Anomalous Absorption in Dense Plasmas.- Physical Mechanisms for Laser-Plasma Parametric Instabilities.- Striated Jets and Anomalous Absorption Due to Nonlinear Ponderomotive Forces in Laser-Produced Plasmas.- Nonlinear Behavior of Light-Driven Plasma Instabilities.- Laser-Induced Coherent Decay of Photons for Plasma Heating.- Symmetry of Laser-Drive Implosions.- Summary of Discussions and Comments.- Author Index.
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v. 4A ISBN 9780306371448
内容説明
Since the third Workshop on "Laser Interaction and Related Plasma Phenomena" in 1973, one area within the scope of this con- ference received increased attention: laser fusion. This possi- bility was emphasized in February 1977 in a Seminar on US energy policies at The Hartford Graduate Center by John F. O'Leary, Head of the Federal Energy Administration, who said that "by the year 2100, *** laser fusion will be coming along, giving us a new age of choice". Efforts in research and development were stepped up to investigate new concepts of laser ignition of controlled nuclear reactions. Here, one expects no radioactive waste from fuel. Th~ deuterium-tritium reaction - the only one which may be possible with magnetic field confinement in tokamaks - has a highly radio- active tritium cycle, while, in principle, laser reactions are possible with pure deuterium, hydrogen-boron or others. The worldwide progress in laser compression was not only stim- ulated by the energy crisis, but also by its advancements. In our first Workshop in 1969 F.
Floux of the French Limeil Laboratories described his experiments, which led, only one month later, to the production of fusion neutrons in such large numbers as had not been achieved up to then (see appendix of Vol. I these Proceedings).
目次
of Volume 4A.- I. Lasers for Fusion.- Fusion Laser Development at the Lawrence Livermore Laboratory.- Powerful 12-Channel Laser Installation "Delfin" for Spherical Heating of Thermonuclear Targets.- Advanced Laser Technology for Laser-Induced Fusion Applications.- Laser Damage Phenomenology in Materials.- Verdet Constants near 450 nm in Ho3+ Doped Soda Glass.- Prospects of the High Power Iodine Laser.- Terawatt Iodine Laser.- CO2 Laser Systems for Fusion Experiments.- Recent Developments in High Power CO2 Laser Mode-Locking and Pulse Selection.- CO2 Laser-Plasma Interaction Studies at NRC-Canada.- Direct Nuclear Pumped Lasers - Status and Potential Applications.- II. X-Ray and Gamma-Ray Lasers.- Progress on X-Ray Laser Research.- On the Feasibility of Grasers.- Kinetics of Stimulated Emission in Neutron-Pumped Nuclear Laser Systems.- Nuclear Techniques for Directed Emission and Switched Operation of Grasers.- Possibility of Grasers Using Nuclear Excitation by Electron Transition.- III. Targets.- Cryogenic Microshell Pellets and Other Advanced Targets for Laser Fusion.- Tritium Handling and the Preparation of DT-Containing Micro-Targets for Laser Fusion Experiments.- High-Temperature High-Quality Deuterium Plasma Production by Laser Beams and Interactions with Magnetic Fields.- The Production of Solid Hydrogen Isotope Pellets, Their Interaction with Lasers and the Problem of Filling Magnetic Confinement Configurations with Laser-Produced Plasmas.- IV. Moderate Intensities.- The Physics of Laser-Plasma Interaction in Gaseous Targets.- The Broadening of the Lyman Lines in a Laser- Produced Plasma.- Experimental and Theoretical Studies of Laser-Produced Plasmas at the Soreq Nuclear Research Center.- V. Fusion Oriented Experiments.- Laser Fusion Experiments Using Spherical Shell Targets.- Plasma Experiments with 1.06-?m Lasers at the Lawrence Livermore Laboratory.- Interaction of Powerful Laser Radiation with Shell Targets.- Laser Driven Implosion Experiments at Limeil.- Theory and Interpretation of Laser Compression Studies at the University of Rochester.- Experimental Studies of the Physics of Laser Fusion.- Initial Target Experiments with the Iodine Laser.- Thermonuclear Fusion Plasma by Lasers Coupling and Implosion.- Author Index.
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v. 3B ISBN 9780306371509
内容説明
As was the case in the two preceding workshops of 1969 and 1971, the Third Workshop on "Laser Interaction and Related Plasma Phenomena" held in 1973 was of international character. The main purpose was to review the advanced status of this particular and turbulent field of physics as it had developed vigorously in all major laboratories of the world since 1971. Due to recently accelerated advancements, it was hardly possible to present a com- plete tutorial review; the subject is still in its premature stages and changing rapidly. A topical conference would have been too specific for a group of physicists with broad backgrounds working in the field or for those just about to enter it. It was the aim of the workshop and it is the aim of these proceedings to help this large group of scientists find their way within the highly complex and sometimes confusing results of a new field. We optimized the task of the workshop with extensive reviews on several topics and at the same time included more detailed infor- mation for specialists. The differences in their conclusions were not a matter of contention but rather served to complement the advanced results.
As in the preceding workshops, we directed our attention toward critical realism in respect to the complexity of the field. What is meant here is exemplified in the contribution by R. Sigel ~.667).
目次
IV. Theory of Compression and Energy Gain from Laser Plasmas.- Laser-Induced Implosion and Thermonuclear Burn.- Theory and Experiment in Laser Drive Fusion.- The Theory of Homogeneous Isentropic Compression and Its Application to Laser Fusion.- Nuclear Fusion Reactions in Fronts Propagating in Solid DT.- Laser Compression and Fusion of Plasma.- Laser Produced Plasmas with Fissionable Material.- Super-Compression of Fissionable Material by Lasers.- Summary of Discussions and Comments.- V. Experiments for Nuclear Fusion.- Observation of the Laser-Induced Compression Wave in a Solid Target.- Investigation of Plasma Parameters at the Spherical Heating of the Isolated Solid Target by High-Power Laser Radiation.- Harmonic Generation and Parametric Excitation of Waves in Laser Created Plasmas.- Short Pulse Laser Heated Plasma Experiments.- Thermonuclear Fusion Plasma Heated by Lasers.- Backscatter Experiments.- Experiments with Laser-Produced Plasmas: Electrons, Ions, and Neutrons.- Laser-Matter Interaction Studies at NRL.- Laser-CTR Developments in Australia.- Some Reactor Implications of Laser Fusion.- Summary of Discussions and Comments.- VI. Laser Application to High Energy Physics.- Pair Production by Relativistic Electrons from an Intense Laser Focus.- Relativistic Oscillations of Electrons and Protons in Laser Fields and Collective Effects Stimulating Pair Production.- Quantum Theory of Inverse Bremsstrahlung Absorption and Pair Production.- Collective Photon Effects: Intensity Dependent Refractive Index of Intense Laser Beams?.- Feasibility of X-ray Lasers.- Is there a High Frequency Limit to Laser Action?.- Summary of Discussions and Comments.- VII. Appendix.- Contributors and Attendees.- Author Index.
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v. 4B ISBN 9780306371547
内容説明
Since the third Workshop on "Laser Interaction and Related Plasma Phenomena" in 1973, one area within the scope of this con- ference received increased attention: laser fusion. This possi- bility was emphasized in February 1977 in a Seminar on US energy policies at The Hartford Graduate Center by John F. O'Leary, Head of the Federal Energy Administration, who said that "by the year 2100, *** laser fusion will be coming along, giving us a new age of choice". Efforts in research and development were stepped up to investigate new concepts of laser ignition of controlled nuclear reactions. Here, one expects no radioactive waste from fuel. The deuterium-tritium reaction - the only one which may be possible with magnetic field confinement in tokamaks - has a highly radio- active tritium ~ycle, while, in principle, laser reactions are possible with pure deuterium, hydrogen-boron or others. The worldwide progress in laser compression was not only stim- ulated by the energy crisis, but also by its advancements. In our first Workshop in 1969 F.
F10ux of the French Limei1 Laboratories described his experiments, which led, only one month later, to the production of fusion neutrons in such large numbers as had not been achieved up to then (see appendix of Vol. I these Proceedings).
目次
of Volume 4B.- VI. Measurement of Fast Ions.- Two New Charged-Particle Diagnostics for Laser-Fusion Experiments.- Multiwave Picosecond Laser Interferometry of CO2-Laser-Produced Plasmas.- Generation and Suppression of Fast-Ions from a Laser-Plasma and Related Self-Focussing Effects.- Fast Ion and Neutron Emission in CO2 Laser Irradiation of Solid Deuterium Targets.- Measurement of High-Energy Charged Particles from Laser-Produced Plasmas.- VII. Instabilities and Magnetic Fields.- On the Diagnostic of Non-Linear Effects.- Laser Light Absorption and Harmonic Generation Due to Self-Generated Magnetic Fields.- Laser Radiation Forces: Generation of and Dependence on Magnetic Fields.- Measurements of Spontaneous Currents and Magnetic Fields in Laser-Produced Plasmas.- Heat Transport in Spatially Fluctuating Laser-Generated D.C. Magnetic Fields.- VIII. Nonlinear Radiative Forces and Relativistic Effects.- Electromagnetic Wave Interactions with Inhomogeneous Plasmas.- The Nonlinear Force of Electrodynamic Laser-Plasma Interaction.- Numerical Calculations of Laser Interaction with Plasmas Including Momentum Transfer of the Nonlinear Forces.- Wavelength-Dependent Phenomena in Nonlinear Laser-Plasma Interactions.- Relativistic Self-Focusing.- Self-Focusing of Electromagnetic Beams in Plasmas: Some Recent Investigations.- Kinetic Energy of Laser Accelerated Charged Particles in a Plasma and the Possibility of Pair Production.- Relativistic Oscillations of Electrons in Laser Fields and Transfer of Energy and Momentum.- Laser Accelerators.- Recoil and Gravitational Effects of Electrons in Plasmas within Very Intense Laser Radiation.- IX. Calculations for Nuclear Fusion.- Basic Requirements of Laser Fusion Power Production and Laser Fusion-Fission Plutonium Breeding.- Thermonuclear Reaction Wave in High-Density Plasma.- Model for Implosion of Structured Slab.- Physical Models and Mathematical Simulation of Laser-Driven Implosion and Their Relations with Experiments.- Corrected Penetration Length of Alphas for Reheat Calculations.- Author Index.
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