If you would like to read a fantastic book about the history of Fiber Optics, what Charles Kao worked on, I would suggest this book: http://www.amazon.com/City-

If you would like to read a fantastic book about the history of Fiber Optics, what Charles Kao worked on, I would suggest this book: http://www.amazon.com/City-Light-Story-Optics-Technology/dp/0195162552/ http://www.amazon.com/City-Light-Story-Optics-Technology/dp/... I found it fascinating and shows the development from first concept through research phases to practical/commercial use.