This is the second, updated edition of a classical reference book covering the complementary techniques IR- and Raman spectroscopy. It offers a comprehensive coverage of the field, from physico-chemical pre-requisites, over latest developments in equipment, up to evaluation procedures. A special focus is put on the application of vibrational spectroscopy in classical as well as in developing fields such as liquid crystals and semiconductors. Written by internationally highly reputed experts, this handbook will serve as an invaluable reference in academia and industry.