Page 7 - Handbook of Lasers
P. 7

This  Handbook  of  Lasers  is  derived  from  data  evaluated  and  compiled  by  the
                         contributors to Volumes I and II and Supplement 1 of the CRC Handbook Series of Laser
                         Science and Technology and to the Handbook of Laser Wavelengths. These contributors are
                         identified in following pages.  In most cases it was possible to update these tabulations to
                         include more recent additions and new categories of lasers. For semiconductor lasers, where
                         the  lasing  wavelength  may  not  be  a  fundamental  property  but  the  result  of  material
                         engineering and the operating configuration used, an effort was made to be representative
                         with respect to operating configurations and modes rather than exhaustive in the coverage of
                         the literature. The number of reported gas laser transitions is huge; they constitute nearly
                         80% of the over 16,000 laser wavelengths in this volume. Laser transitions in gases are well
                         covered through the late 1980s in the above volumes. An electronic database of gas lasers
                         prepared from the tables in Volume II and Supplement 1 by John Broad and Stephen Krog
                         of the Joint Institute of Laboratory Astrophysics was used for this volume, but does not
                         cover all recent developments.

                            Although there is a tremendous diversity of laser transitions and types, only a few laser
                         systems have gained widespread use and commercial acceptance. In addition, some laser
                         systems that were of substantial commercial interest in past years are becoming obsolete and
                         are likely to be supplanted by other types in the future. Nevertheless, separate subsections on
                         commercially available lasers are included thoroughout the volume to provide a perspective
                         on the current state-of-the-art and performance boundaries.

                            To cope with the continued proliferation of acronyms, abbreviations, and  initialisms
                         which range from the clever and informative  to  the  amusing  or  annoying,  there  is  an
                         appendix of  acronyms,  abbreviations,  initialisms,  and  common  names  for  lasers,  laser
                         materials, laser structures and operating configurations, and systems involving lasers. Other
                         appendices contain information about laser safety, the ground state electron configurations of
                         neutral  atoms,  and  fundamental  physical  constants  of  interest  to  laser  scientists  and
                         engineers.

                            Because lasers now cover such a large  wavelength  range  and  because  researchers  in
                         various fields are accustomed to using different units, there is also a conversion table for
                         spectroscopists (a Rosetta stone) on the inside back cover.

                            Finally, I wish to acknowledge the valuable assistance  of  the  Advisory  Board  who
                         reviewed the material, made suggestions regarding the contents and formats, and in several
                         cases contributed material (the  Board,  however,  is  not  responsible  for  the  accuracy  or
                         thoroughness  of  the  tabulations).  Others  who  have  been  helpful  include  Guiuseppe
                         Baldacchini, Eric Bründermann, Federico Capasso, Tao-Yuan Chang, Henry Freund, Claire
                         Gmachl,  Victor  Granatstein,  Eugene  Haller,  John  Harreld,  Stephen  Harris,  Thomas
                         Hasenberg, Alan Heeger, Heonsu Jeon, Roger Macfarlane, George Miley, Linn Mollenauer,
                         Michael Mumma, James Murray, Dale Partin, Maria Petra, Richard Powell, David Sliney,
                         Jin-Joo Song, Andrew Stentz, Roger Stolen, and Riccardo Zucca. I am especially grateful to
                         Project Editor Mimi Williams for her skill and help during the preparation of this volume.

                                                                                   Marvin J. Weber
                                                                                   Danville, California











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