Comparison of Hf and Df Continuous Chemical Lasers PDF Download
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Author: Donald J. Spencer
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
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Book Description
A continuous DF chemical laser radiating at approximately 4 microns is reported. Population inversion is obtained by diffusing D2 into a supersonic free jet containing F atoms. The performance of the DF laser is compared with a similar HF laser previously reported. The ratio of DF to HF laser output power is 0.7 for fixed supersonic jet conditions and the same molar flow of H2 and D2. The efficiency of conversion of chemical energy to laser energy is approximately 12% and 8% for the HF and DF lasers, respectively. (Author).
Author: Donald J. Spencer
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
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Book Description
A continuous DF chemical laser radiating at approximately 4 microns is reported. Population inversion is obtained by diffusing D2 into a supersonic free jet containing F atoms. The performance of the DF laser is compared with a similar HF laser previously reported. The ratio of DF to HF laser output power is 0.7 for fixed supersonic jet conditions and the same molar flow of H2 and D2. The efficiency of conversion of chemical energy to laser energy is approximately 12% and 8% for the HF and DF lasers, respectively. (Author).
Author: Munson A. Kwok
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
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Book Description
Continuous laser action has been observed on several HF and DF vibrational-rotational transitions. The HF lases between 2.6 and 2.9 microns, and the DF lases between 3.6 and 4.1 microns. The lines are identified and the relative intensities are shown. (Author).
Author: Marvin J. Weber
Publisher: CRC Press
ISBN: 1351835513
Category : Technology & Engineering
Languages : en
Pages : 1240
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Book Description
Lasers continue to be an amazingly robust field of activity. Anyone seeking a photon source is now confronted with an enormous number of possible lasers and laser wavelengths to choose from, but no single, comprehensive source to help them make that choice. The Handbook of Lasers provides an authoritative compilation of lasers, their properties, and original references in a readily accessible form. Organized by lasing media-solids, liquids, and gases-each section is subdivided into distinct laser types. Each type carries a brief description, followed by tables listing the lasing element or medium, host, lasing transition and wavelength, operating properties, primary literature citations, and, for broadband lasers, reported tuning ranges. The importance and value of the Handbook of Lasers cannot be overstated. Serving as both an archive and as an indicator of emerging trends, it reflects the state of knowledge and development in the field, provides a rapid means of obtaining reference data, and offers a pathway to the literature. It contains data useful for comparison with predictions and for developing models of processes, and may reveal fundamental inconsistencies or conflicts in the data.
Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 1436
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Author: Marvin J. Weber
Publisher: CRC Press
ISBN: 9781420050158
Category : Technology & Engineering
Languages : en
Pages : 796
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Book Description
This volume represents the most complete, up-to-date compilation of wavelengths of lasers in all media. Divided by type - solid, liquid, and gas - and listed in order of increasing wavelength, Handbook of Laser Wavelengths includes: crystalline paramagnetic ion lasers glass lasers color center lasers semiconductor lasers polymer lasers liquid and solid-state dye lasers rare earth liquid lasers neutral atom, ion, and molecular gas lasers extreme ultraviolet and soft X-ray lasers free electron lasers nuclear-pumped lasers lasers in nature lasers without inversion Brief descriptions of each type of laser are presented, followed by tables listing the laser wavelength, lasing element or medium, host, transition, and primary literature citations. A special section on commercial lasers is an added featured. Handbook of Laser Wavelengths singularly serves as the essential reference for scientists and engineers searching for laser sources for specific applications as well as a survey of the developments that have occurred since the advent of the laser.
Author: K.N. Rao
Publisher: Elsevier
ISBN: 0323150373
Category : Science
Languages : en
Pages : 437
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Book Description
Molecular Spectroscopy: Modern Research explores the advances in several phases of research in molecular spectroscopy. This eight-chapter book commemorates the 25th anniversary of the annual Columbus Symposium on Molecular Structure and Spectroscopy, held in September, 1970. This book highlights the spectroscopic studies of molecular species in the gas phase and in matrices. Representative articles are also included that cover the applications of molecular studies in a wide variety of areas such as biophysics, astrophysical problems, and energy transfer processes. Other chapters describe the progress achieved in the technology of high resolution spectroscopy and the techniques and terminology of Lamb-dip spectroscopy. A comprehensive bibliography is included for most of the subjects discussed and this text concludes with tables of standard data listing secondary wavelength standards, fundamental constants, atomic masses, and conversion factors of interest to spectroscopists. Spectroscopists, chemists, and researchers will find this work invaluable.
Author: John Ready
Publisher: Elsevier
ISBN: 0323144780
Category : Technology & Engineering
Languages : en
Pages : 605
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Book Description
Industrial Applications of Lasers focuses on how lasers have been used for practical applications in industry. This text aims to stimulate the imagination of the readers, who can then evaluate the potential application of lasers to solve their own problems. Comprised of 21 chapters, this book starts with an overview of the fundamental background of lasers, and then discusses the basic principles of how lasers operate. Other chapters provide an understanding of how holograms really work. This text also discusses several topics relevant to lasers, themselves, including the types of practical lasers and laser properties. This book considers laser safety, which is very important for anyone considering a laser application. Finally, this text explores the various developed laser applications, including scribing of ceramics, laser welding and cutting of metals, as well as applications in surveying, alignment, and metrology. This book is a valuable resource to laser technicians, physicists, scientists, researchers, and readers whose interests span a variety of fields.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1150
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Author: John G. Burr
Publisher: CRC Press
ISBN: 1000103137
Category : Science
Languages : en
Pages : 629
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Book Description
This book focuses on instrumentation of chemi- and bioluminescence and discusses the nature of chemiluminescence as the exothermic oxidation of a substrate organic compound to give an energy-rich product that is luminescent. It describes the applications of chemiluminescence.
Author: Francis Westley
Publisher:
ISBN:
Category : Chemical kinetics
Languages : en
Pages : 86
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Book Description
