The aim of this book is to educate the readers regarding the field of Optical Coherence Techlogy (OCT) with the help of advanced information. It presents researches and studies conducted in the field of optical coherence techlogy. It includes contributions of scientists and experts from all over the world. The book covers techlogical developments in the field of OCT along with industrial and clinical applications. It presents distinct accounts on various topics like full field OCT, ultrahigh resolution OCT and the functional extension of OCT. It also sheds light on the applications of OCT in dentistry, ophthalmology and cardiology. The main objective of the book is to facilitate physicians, researchers and students in their respective studies associated with this field.