Basic concepts of laser physics provides a comprehensive and up-to-date introduction to the fundamental physical processes occurring in lasers.

The book is specially addressed to the postgraduate and undergraduate students of science and engineering who are interested in the field of lasers. This book covers a wide area from the starting concepts of lasers to the advanced level knowledge needs for the researchers. The mathematical treatment is kept as simple as possible so that an ordinary student in the field of science can make use of this book.

A logical based discussion has been presented to make for better understanding of the subject matter. In the last but not least the book will be useful to a variety of readers.

Dharamvir Singh Ahlawat (b. 1966) received his degrees of Ph.D. and M.Sc. in Physics from M.D. University, Rohtak (Haryana) India. His area of interest and specialization are laser physics and optical materials. He has a teaching and research experience of around eighteen years in laser physics.

At present he is working as an Assistant Professor in the Department of Physics, Chaudhary Devi Lal University, Sirsa, Haryana. Earlier, he has also worked as a founder incharge of the same department. He has published around forty research papers in reputed journals and conference proceedings. He has a life membership of Indian Laser Association, RRCAT, Indore and Indian Physics Association, BARC, Mumbai.