Название: Optical Electronics: An Introduction Автор: Jixiang Yan
Издательство: De Gruyter
Год: 2019
Страниц: 407
Язык: английский
Формат: pdf (true)
Размер: 10.1 MB
This textbook introduces the main principles involved in study and practice of optical electronics. This book discusses light transmission and extends to more applied fields of laser and laser technology, photoelectric detection and devices, photoelectric imaging and systems with explainations on theories and engineering applications. Addressing the intersection between optics and electrical engineering, the textbook prepares graduate students to photoelectronics and can also be used as reference for engineers.
Chapter 1 introduces development of light nature. Other subjects such as optical radiation and radiation sources, optical transmission and transmission media, optical detection and detectors, and optical imaging and the imaging systems are treaded in Chapters 2, 5, 6 and 7, respectively. Chapters 3 and 4 focus on several currently popular solid-state lasers. Finally, the nonlinear optical effects produced by the interaction between light and matter are treaded in Chapter 8.
Solid-state lasers use solid-state laser medium as the working substance. Usually, solid work materials are incorporated in the matrix with a small amount of activated ions. Laser transition occurs between different energy levels during ion activation. Matrix materials are mainly crystal, glass, and ceramics, and activated ions can be categorized as trivalent rare earth metal ions, divalent rare earth metal ions, transition metal ions, and actinide metal ions.
Solid-state lasers are mostly optically pumped, and the light sources for pumping mainly include flash and semiconductor LD or other lasers. The main problem of the flash pump is its low conversion efficiency and the fact that a large amount of pump energy is wasted, which not only causes considerable energy wastage but the thermal stress and thermal lens effect severely hampers beam quality.
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