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Author : Howard Charles Volkin
Publisher :
ISBN 13 :
Total Pages : 29 pages
Book Rating : 4.:/5 (131 download)
Download or read book A Direct Solar Pumped Laser written by Howard Charles Volkin and published by . This book was released on 1979 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dawei Liang
Publisher : Springer Nature
ISBN 13 : 303124785X
Total Pages : 320 pages
Book Rating : 4.0/5 (312 download)
Download or read book Solar-Pumped Lasers written by Dawei Liang and published by Springer Nature. This book was released on 2023-05-01 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook is a comprehensive review of many different areas in solar-pumped lasers design and characterization. It enables readers to develop their skills in general solid-state laser design and solar collector design and provides numerous solved exercises at the end of each chapter to further this development. This book begins by introducing the brief history of solar-pumped laser and its potential applications. It explains the basic theories of imaging and non-imaging primary, secondary, and tertiary solar concentrators. It discusses solar-pumped solid-state laser theory and solar-to-laser power conversion efficiencies. There are chapters dedicated to ZEMAX and LASCAD numerical simulation tools, to help develop readers’ skills in innovative solid-state laser design. This book is one of the first books to relate concentrated solar energy technologies to solid-state laser technologies and is therefore of interest to students, academics, engineers, and laser and optical system designers.
Author : Yasser Abdel-Fattah Abdel-Hadi
Publisher :
ISBN 13 : 9783866640528
Total Pages : 264 pages
Book Rating : 4.6/5 (45 download)
Download or read book Development of Optical Concentrator Systems for Directly Solar Pumped Laser Systems written by Yasser Abdel-Fattah Abdel-Hadi and published by . This book was released on 2005 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Ham
Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.:/5 (227 download)
Download or read book Solar Pumped, Alkali Vapor Laser written by David Ham and published by . This book was released on 1987 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: High power lasers based in space have been considered as sources for power transmission, laser propulsion, materials processing and space defense. The feasibility of such systems is based on the cost per unit power delivered, with detailed studies indicating that light weight has a greater impact on cost than laser efficiency. Solar radiation is a natural source of power for these devices and two methods for conversion of solar radiation to laser radiation can be considered. An indirectly solar pumped laser would first convert the solar radiation to electricity or longer wavelength blackbody radiation which is then used to power the laser. A directly longer wavelength blackbody radiation which is then used to power the laser. A directly pumped solar laser would utilize a portion of te solar spectrum to directly pump the laser medium, eliminating the intervening step and substantially reducing the systems weight and complexity. Detailed comparisons showed a directly pumped laser with an overall efficiency of only 1.5 percent can compete with an indirectly energized solar laser with an overall efficiency of ten percent. With this in mind, a concept for a directly solar pumped laser was developed based on an alkali vapor (sodium) as the laser medium. Keywords: Solar, Laser.
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781724690647
Total Pages : 210 pages
Book Rating : 4.6/5 (96 download)
Download or read book Theoretical Studies of Solar Pumped Lasers written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-04 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: One concept for collecting solar energy is to use large solar collectors and then use lasers as energy converters whose output beams act as transmission lines to deliver the energy to a destination. The efficiency of the process would be improved if the conversion could be done directly using solar pumped lasers, and the possibility of making such lasers is studied. There are many applications for such lasers, and these are examined. By including the applications first, the requirements for the lasers will be more evident. They are especially applicable to the Space program, and include cases where no other methods of delivering power seem possible. Using the lasers for conveying information and surveillance is also discussed. Many difficulties confront the designer of an efficient system for power conversion. These involve the nature of the solar spectrum, the method of absorbing the energy, the transfer of power into laser beams, and finally, the far field patterns of the beams. The requirements of the lasers are discussed. Specific laser configurations are discussed. The thrust is into gas laser systems, because for space applications, the laser could be large, and also the medium would be uniform and not subject to thermal stresses. Dye and solid lasers are treated briefly. For gas lasers, a chart of the various possibilities is shown, and the various families of gas lasers divided according to the mechanisms of absorbing solar radiation and of lasing. Several specific models are analyzed and evaluated. Overall conclusions for the program are summarized, and the performances of the lasers related to the requirements of various applications. Harries, Wynford L. Unspecified Center NASA-CR-186712, NAS 1.26:186712, ODU-TR-PTR-90-2 NSG-1568...
Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781730859151
Total Pages : 82 pages
Book Rating : 4.8/5 (591 download)
Download or read book Direct Solar-Pumped Iodine Laser Amplifier written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-11-04 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: A XeCl laser pumped iodine laser oscillator was developed which will be incorporated into the Master Oscillator Power Amplifier (MOPA) system. The developed XeCl laser produces output energy of about 60 mJ per pulse. The pulse duration was about 10 nsec. The kinetic model for the solar-pumped laser was refined and the algorithm for the calculation of a set of rate equations was improved to increase the accuracy and the efficiency of the calculation. The improved algorithm was applied to explain the existing experimental data taken from a flashlamp pumped iodine laser for three kinds of lasants, i-C3F7I, n-C4F9I, and t-C4F9I. Various solid laser materials were evaluated for solar-pumping. The materials studied were Nd: YAG, Nd: YLF, and Cr: Nd: GSGG crystals. The slope efficiency of 0.17 percent was measured for the Nd: YLF near the threshold pump intensity which was 211 solar constants (29W/sq cm). The threshold pump intensity of the Nd: YAG was measured to be 236 solar constants (32W/sq cm) and the near-threshold slope efficiency was 0.12 percent. True CW laser operation of Cr: Nd: GSGG was possible only at pump intensities less than or equal to 1,500 solar constants (203 W/sq cm). This fact was attributed to the high thermal focusing effect of the Cr: Nd: GSGG rod. Han, Kwang S. and Hwang, In Heon and Kim, Khong Hon and Stock, Larry V. Unspecified
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 9780309045773
Total Pages : 170 pages
Book Rating : 4.0/5 (457 download)
Download or read book Potential Applications of Concentrated Solar Energy written by National Research Council and published by National Academies Press. This book was released on 1991-02-01 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book assesses the current state of the field in a number of potential applications and discusses technologies for which concentrated solar energy might be utilized. It contains all the papers submitted by the speakers as well as summaries of the presentations and discussions that followed each session.
Author :
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (317 download)
Download or read book Satellite Power System (SPS) Laser Studies. Volume 2: Meteorological Effects on Laser Beam Propagation and Direct Solar Pumped Lasers for the SPS written by and published by . This book was released on 1980 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781724746931
Total Pages : 28 pages
Book Rating : 4.7/5 (469 download)
Download or read book Theoretcial Studies of Solar-Pumped Lasers written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-06 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method of pumping a COhZ laser by a hot cavity was demonstrated. The cavity, heated by solar radiation, should increase the efficiency of solar pumped lasers used for energy conversion. Kinetic modeling is used to examine the behavior of such a COhZ laser. The kinetic equations are solved numerically vs. time and, in addition, steady state solutions are obtained analytically. The effect of gas heating filling the lower laser level is included. The output power and laser efficiency are obtained as functions of black body temperature and gas ratios (COhZ-He-Ar) and pressures. The values are compared with experimental results. Harries, W. L. and Fong, Z. S. Unspecified Center NASA-CR-173833, NAS 1.26:173833, PTR-84-4 NSG-1568
Author : R. E. Beverly
Publisher :
ISBN 13 :
Total Pages : 141 pages
Book Rating : 4.:/5 (756 download)
Download or read book Satellite Power Systems (SPS) Laser Studies written by R. E. Beverly and published by . This book was released on 1980 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. E. Beverly
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (718 download)
Download or read book Satellite Power Systems (SPS) Laser Studies: Meteorological effects on laser beam propagation and direct solar pumped lasers for the SPS written by R. E. Beverly and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kwang S. Han
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (64 download)
Download or read book Direct Solar-pumped Iodine Laser Amplifier written by Kwang S. Han and published by . This book was released on 1990 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (51 download)
Download or read book A NASA High-power Space-based Laser Research and Applications Program written by and published by . This book was released on 1983 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.:/5 (317 download)
Download or read book Solar-pumped Solid State Nd Lasers written by and published by . This book was released on 1985 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Direct Solar-pumped Iodine Laser Amplifier written by and published by . This book was released on 19?? with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (455 download)
Download or read book Design Investigation of Solar Powered Lasers for Space Applications written by and published by . This book was released on 1979 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: he purpose of this study is to investigate the feasibility of solar powered lasers for continuous operation in space power transmission. Existing lasers are already able to deliver high power over long distances making the solar laser power satellite, laser rocket propulsion and other space applications attractive and competitive concepts. Laser power transmission in space over distances of 10 to 100 thousand kilometers appears possible. Further, there appears to be no fundamental principle limiting the power of solar powered lasers. A variety of lasers was considered, including solar-powered GDLs and EDLs, and solar-pumped lasers. A new indirect solar-pumped laser was investigated which uses a solar-heated black body cavity to pump the lasant. Efficiencies in the range of 10 to 20 percent (i.e., laser energy out + solar energy in) are projected for these indirect optically pumped lasers (IOPLs). The weights and efficiencies for each class of laser system can be related to the different pumping mechanisms. GDLs require thermal pumping and will be inefficient and heavy because all of the gas must be heated and cooled. EDLs use electron beam pumping which is more selective than thermal pumping. Therefore EDLs will be more efficient and lighter than GDLs. OPLs use the most selective of all the pumping mechanisms and are not subject to electricity conversion losses; these are the lightest and most efficient systems. These intuitive arguments are substantiated in detail by the analysis carried out.
Author : U. H. Kurzweg
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.F/5 ( download)
Download or read book Analysis of a 10 Megawatt Space-based Solar-pumped Liquid Neodymium Laser System written by U. H. Kurzweg and published by . This book was released on 1984 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
