Introduction


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Introduction
1010606IntroductionPhotons have been around ever since the Big Bang, which is a long time. Photons, by definition, are always on the move: 3 × 10 10 cm/sec in air. Some of the important milestones in the history of the human civilization are those at which we have improved our ability to control the movement of photons. A few notable examples are the control of fire, the design of lenses, the conception of Maxwell’s equations, the invention of photography, broadcast radio, and the laser.Photonics is the study of how photons and electronics interact, how electrical cur…
Citation
Thomas P. Pearsall: Photonics Essentials. Introduction, Chapter (McGraw-Hill Professional, 2003), AccessEngineering Export