A fiber amplifier includes at least one longitudinally extending non-doped inner core capable of transmitting signals. At least partially surrounding the inner core and extending at least partially therealong, the fiber amplifier also includes at least one gain region capable of amplifying signals propagating...http://www.google.fr/patents/US20040095968?utm_source=gb-gplus-shareBrevet US20040095968 - Fiber amplifier having a non-doped inner core and at least one doped gain region
Fiber amplifier having a non-doped inner core and at least one doped gain region
Numéro de demande: 10/300,104 Numéro de publication: US 2004/0095968 A1 Date de dépôt: 20 nov. 2002 Brevet délivré: US6965469 ( Date de délivrance 15 nov. 2005)
