Terahertz Physics 1st Edition by R. A. Lewis (PDF)

Description

Terahertz physics covers one of the least explored but richest regions of the electromagnetic spectrum. Designed for independent learning, this is the first book to open up this exciting new field to students of science and engineering. Written in a clear and consistent style, the textbook focuses on an understanding of fundamental physical principles at terahertz frequencies and their applications. Part I outlines the foundations of terahertz science, starting with the mathematical representation of oscillations before exploring terahertz-frequency light, terahertz phenomena in matter and the terahertz interactions between light and matter. Part II covers components of terahertz technology, from sources of terahertz frequency radiation, through the manipulation of the radiation, to its detection. Part III deals with applications, including time-domain spectroscopy. Highlighting modern developments and concepts, the book is ideal for self-study. It features precise definitions, clear explanations, instructive illustrations, fully worked examples, numerous exercises and a comprehensive glossary.

User’s Reviews

Reviews from Amazon users which were colected at the time this book was published on the website:

⭐This book is very well written with some of clearest explanations I have seen. One thing it is not: verbose. The whole book is 275 pages (which will not break your wrist) but it has just about everything one needs to understand and appreciate terahertz physics. The concepts are clearly conveyed and then built-up with straightforward mathematics to lead to useful equations and conclusions. Although the math-level assumes that the students know such things as complex numbers, vectors, partial derivatives, double integrals, the author uses these math-tools very skilfully without intimidating the reader. Not everything is derived, but what is derived is essentially what you need; and is done very well without being bogged down in detailed mathematics. Some background is assumed in semiconductor science, such as energy band diagrams, and quantum physics (Schrodinger’s equation). I particularly liked Ch 3 and the section on Jones notation. The last 2 chapters (10 and 11) are on terahertz applications in spectroscopy and imaging; and both are very well presented. It is probably ideally suited for 4th year undergraduate elective courses on terahertz physics or for introductory graduate-level courses. In addition, the book is filled with tidbits of useful information in various tables, here are some of them I really liked: 1 THz is 47.99K, nitrogen boils at 1.61 THz, red, green and blue light are at 400, 600 800 THz etc etc. I thoroughly enjoyed reading this book, and I would recommend it most highly (very decently priced).[SK. A Canadian professor who has been teaching optoelectronics for nearly 30 years]

⭐The book fails to keep its consistency.You start by very clear chapters on basic physics, going with painful details through what a hertz is, what a second is, then moving on to an introduction of elementary light physics and quantum mechanics. The level seems that of first-year physics students.But when you reach explanations of terahertz sources, detectors and application, the author throws away any sense of pedagogy and juggles with undefined concepts such as Landau levels, dark resistance or doping. Which raises the question: who is the book directed to? Graduate students like myself don’t need the first half of the book yet will feel a lack of explanations during the second half.

⭐Not found.

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