<p>According to some embodiments a single mode fiber includes: a germania doped central core region having outer radius r1 and relative refractive index Delta1; and a cladding region comprising (i) a first inner cladding region having an outer radius r2 > 6 microns and relative refractive index Delta2 and 0.3<=r1 /r2 <=0.85; and (ii) a second inner cladding region having an outer radius r3 > 9 microns and comprising a minimum relative refractive index Delta3, wherein said second inner cladding region has at least one region with a relative refractive index delta that becomes more negative with increasing radius; and (iii) an outer cladding region surrounding the inner cladding region and comprising relative refractive index Delta4, wherein Delta1 > Delta2 > Delta3, Delta3 < Delta4.</p>
申请公布号
WO2013082217(A1)
申请公布日期
2013.06.06
申请号
WO2012US66949
申请日期
2012.11.29
申请人
CORNING INCORPORATED;BERKEY, GEORGE EDWARD;BOOKBINDER, DANA CRAIG;DAWES, STEVEN BRUCE;LI, MING-JUN;TANDON, PUSHKAR;WANG, JI
发明人
BERKEY, GEORGE EDWARD;BOOKBINDER, DANA CRAIG;DAWES, STEVEN BRUCE;LI, MING-JUN;TANDON, PUSHKAR;WANG, JI