Active and passive optical components for WDM communications IV : 25-28 October, 2004, Philadelphia, Pennsylvania, USA - Bellingham, Wash: SPIE, 2004 - x, 466 p. : ill. ; 28 cm ISBN: 9780819455482 Subjects--Topical Terms: Optical communications - Technological innovations - Congresses Dewey Class. No.: 621.38 DUT