Textbook in PDF format Optoelectronic Tweezers for Manipulation at the Micro and Nano Scale takes readers on a journey to explore the fascinating world of Optoelectronic Tweezers (OET) and their applications in micro- and nano-scale manipulation. Starting from the evolution of nanotechnology, this book delves into the development of optical micromanipulation technologies such as Optical Tweezers (OT) and the emergence of OET as a cutting-edge technology with superior performance in various aspects. The fundamental principles of OET, its significance, and diverse applications across different fields are meticulously examined