The Importance of Optical Communication is well known in various fields of engineering and this has led to the enhanced demand for courses dealing with optical fiber communication. The book is devoted to the optical fiber communication technology, along with material on optical connectors and optical detectors and optical networks. Each chapter is well supported with necessary illustrations, practical examples and solved problems. This book will be an ideal reference for : R & D engineers working on optical components; scientists involved with research on fiber technology; graduate students and researchers working in the field of optical communications.