It is curious that although H. G. Wells had invading Martians use destructive, focused "heat rays" in 1898, and although Einstein laid their theoretical foundation in 1917, lasers weren't invented... This description may be from another edition of this product.
This is a fine introductory book on Lasers. It basically covers a short history of Lasers, their applications, some fundemental concepts in Quantum Theory and theory of Semiconductors. This is not a technical book but rather and informative book. If you do not know anything about Lasers than you learn something but if you know some Semiconductor and Quantum Physics, you do not learn anything. I believe it really serve the purpose as popular science book but not as a textbook on Lasers.
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