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Ultrastable, High-repetition-rate Attosecond Beamline for Time-resolved XUV-IR Coincidence Spectroscopy
Abstract: The implementation of attosecond photoelectron-photoion coincidence spectroscopy for the investigation of atomic and molecular dynamics calls for a high-repetition-rate driving source combined with experimental setups characterized by excellent stability for data acquisition over time intervals ranging from a few hours up to a few days. This requirement is crucial for the investigation of processes characterized by low cross sections and for the characterization of fully differential photoelectron(s) and photoion(s) angular and energy distributions. We demonstrate that the implementation of industrial-grade lasers, combined with a careful design of the delay line implemented in the pump-probe setup, allows one to reach ultrastable experimental conditions leading to an error in the estimation of the time delays of only 12 as over an acquisition time of 6.5 h. This result opens up new possibilities for the investigation of attosecond dynamics in simple quantum systems
Biophysical Methods for Diagnosing Human Tissue Anomalies
Medical diagnosis of tissue anomalies, particularly cancer, is often limited by the constraints of current imaging technologies. This book introduces two approaches to address this issue: the imaging and the non-imaging methods. In the imaging category, the book unveils a pioneering technique based on radio tomosynthesis. Initially proven effective in detecting breast anomalies, this imaging method is now under evaluation for its potential in identifying brain anomalies. For non-imaging diagnostics, it delves into Fourier-transform infrared spectroscopy (FTIR), a technique known for its speed and reliability. The book demonstrates its successful application in diagnosing a range of cancers, including oral, uterine, ovarian, gastrointestinal, colorectal, and skin cancers. Furthermore, it explores its utility in predicting embryo quality and assessing pressure injuries. To augment these methods, the book employs machine learning algorithms, evaluating their efficacy in creating discriminative models for tissue anomalies.
Explorations in the History and Heritage of Machines and Mechanisms
This is the proceedings of the 6th International Symposium on History of Machines and Mechanisms that was held in Beijing, China, in September 2018. The Symposium provided an international forum for presenting and discussing historical developments in the field of Machine and Mechanism Science (MMS). Special sections focused on the following topics: . modern reviews of past works · engineers in history, and their works · direct memories of the recent past · the development of theories · the history of the design of machines and mechanisms · development of automation and robots · the development of teaching of MMS · the schools and institutes of mechanical engineering · the heritage of machines and mechanisms
Advances in Atomic, Molecular, and Optical Physics
Advances in Atomic, Molecular, and Optical Physics, Volume 71 provides a comprehensive compilation of recent developments in a field that is in a state of rapid growth as new experimental and theoretical techniques are used on many problems, both old and new. Topics covered include related applied areas, such as atmospheric science, astrophysics, surface physics, and laser physics, with timely articles written by distinguished experts. Sample content covered in this release includes Attosecond generation and application from X-ray Free Electron Lasers. - Presents the work of international experts in the field - Contains comprehensive articles that compile recent developments in a field that is experiencing rapid growth, with new experimental and theoretical techniques emerging - Ideal for users interested in optics, excitons, plasmas and thermodynamics - Covers atmospheric science, astrophysics, and surface and laser physics, amongst other topics
