This book presents an overview of both the theory and experimental
methods required to realize high efficiency solar absorber devices. It
begins with a historical description of the study of spectrally
selective solar absorber materials and structures based on optical
principles and methods developed over the past few decades. The optical
properties of metals and dielectric materials are addressed to provide
the background necessary to achieve high performance of the solar
absorber devices as applied in the solar energy field. In the following
sections, different types of materials and structures, together with the
relevant experimental methods, are discussed for practical construction
and fabrication of the solar absorber devices, aiming to maximally
harvest the solar energy while at the same time effectively suppressing
the heat-emission loss. The optical principles and methods used to
evaluate the performance of solar absorber devices with broad
applications in different physical conditions are presented. The book is
suitable for graduate students in applied physics, and provides a
valuable reference for researchers working actively in the field of
solar energy.