Rare-Earth-Doped Fiber Lasers and Amplifiers, p4\r`
Second Edition, Revised and Expanded ^|z
(Optical Science and Engineering) (Hardcover) MjO.s+I
by Michel J.F. Digonnet (Editor) Vb=Oz
"The recent interest in optical amplifiers and lasers based on rare earth doped fibers has stimulated a new look at fiber fabrication methods