Abstract
Since the construction of the first laser based on ruby, widely ranging materials have been adopted as laser media, and the range is still continually being extended to provide output at new wavelengths: according to Charles H. Townes, one of the pioneers of laser development, ‘almost anything works if you hit it hard enough’. Naturally occurring laser emission has even been observed in the clouds of hydrogen gas surrounding a distant star. As can be seen from a glance at Appendix 1, output from commercial lasers now covers most of the electromagnetic spectrum through from the microwave region to the ultraviolet, and much effort is being concentrated on extending this range to still shorter wavelengths. Amongst a host of tantalising possibilities is the prospect of holographically imaging molecules by use of an X-ray laser, for example.
To…add another hue unto the rainbow…is wasteful and ridiculous excess‘ King John’, William Shakespeare
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© 1997 Springer-Verlag Berlin Heidelberg
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Andrews, D.L. (1997). Laser Sources. In: Lasers in Chemistry. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-60635-9_2
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DOI: https://doi.org/10.1007/978-3-642-60635-9_2
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-61982-6
Online ISBN: 978-3-642-60635-9
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