The book "No198 Semiconductor optoelectronic devices: a course of lectures" by the authors Yurchuk S . Yu. , Didenko S. and . , Koltsova G. and . and Martynov V. N. is a fascinating and in-depth study in the field of optoelectronics, which will become an indispensable tool for students, graduate students and specialists interested in modern technologies and their application in various fields. In this book, the authors examine in detail the basic principles of semiconductor optoelectronic devices, such as LEDs, lasers, photodetectors and solar cells. Each chapter is filled with relevant information that not only explains the theoretical aspects, but also demonstrates the practical application of these technologies in the real world. The reader will be able to learn about how semiconductor materials affect the performance of devices, what the latest developments exist in this area and how they can change our future. The book will be of particular interest to engineering students, graduate students and young scientists who seek to deepen their knowledge in the field of physics and electronics. It can also attract the attention of engineers and specialists working in the field of development and production of optoelectronic devices. It is important to note that this course of lectures is suitable not only for those who already have experience in this field, but also for beginners who want to master the basics of optoelectronics. The topics raised in the book cover a wide range of issues, including semiconductor physics, methods of their processing and applications in various devices. The authors emphasize the importance of optoelectronic technologies in modern communications, medicine and energy. The reader will be able to understand how these technologies affect our daily lives and what prospects open up for them in the future. The style of the authors is distinguished by clarity and accessibility of the presentation, which makes it easy to assimilate even the most complex concepts. They use many illustrations and examples, which makes the material more clear and understandable. Yurchuk, Didenko, Koltsov and Martynov are a team of experienced specialists, each of whom has made a significant contribution to the development of science and technology. Their previous work has also gained recognition in the scientific community and may be of interest to those who want to deepen their knowledge in related fields. The book "No. 198 Semiconductor Optoelectronic Devices: A Course of Lectures" is not only informative, but also inspires further research and experiments. It will be an excellent addition to the library of anyone who is interested in modern technologies and their development. Readers passionate about physics, electronics and new technologies will find in this book many useful ideas and inspirations for their own projects. If you are looking for literature that will help you understand the intricacies of optoelectronics, expand your knowledge and open new horizons in this exciting area, then “No. 198 Semiconductor optoelectronic devices: a course of lectures” will become your reliable companion in the world of science and technology. Do not miss the opportunity to immerse yourself in the world of semiconductors and discover their amazing possibilities!