RARE EARTH DOPED SINGLE POLARIZATION DOUBLE CLAD OPTICAL FIBER WITH PLURALITY OF AIR HOLES

• Main Authors: KOH, JOOHYUN, WALTON, DONNELL T, WANG, JI, BERKEY, GEORGE E, CHEN, XIN, LI, MING-JUN, NOLAN, DANIEL A, ZENTENO, LUIS A
• Format: Patent
• Language: English; French
• Published: 24.05.2007
• Subjects: CHEMISTRY; GLASS; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES; METALLURGY; MINERAL OR SLAG WOOL; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS

An optical fiber including: (i) a silica based, rare earth doped core (12) having a first index of refraction n1; (ii) a silica based inner cladding (14) surrounding the core and having a second index of refraction n2, such that n1>n2, the inner cladding having a plurality of air holes (24, 26) e...