"Experienced professionals working in the field may find this book a useful reference work to have in their personal library. … an excellent bibliography of the huge amount of research done in this area by researchers in the former Soviet Union."-Optics & Photonics News"… a timely and comprehensive treatment of the principles of laser resonators … a valuable resource to laser physicists as well as those scientists and engineers who wish to apply laser beams …"-Australian and New Zealand Physicist"… should be in every laboratory concerned with laser development …"-Laser and Optoelektronik"This book is an excellent reference work for the laser physics specialist and postgraduate worker involved in laser resonator design."-Laser Magazine"… the first book to deal specifically with the subject of beam divergence and it is difficult to believe that there will be a better one … this book brings together virtually all the relevant data and turns it into a coherent whole. … a quite outstanding book … a pleasure to handle and read … will surely be the definitive treatise for many years."-Optics and Lasers in Engineering