Patent application number | Description | Published |
20080205839 | Large effective area high SBS threshold optical fiber - Microstructured optical fiber for transmitting optical signals comprised of light, the optical fiber including a core region and a cladding region surrounding the core region, the cladding region including at least one annular region having an index of refraction lower than that of the remainder of the cladding. The optical fiber provides an absolute SBS threshold in dBm greater than about 9.3+10 log [(1−e | 08-28-2008 |
20080279515 | Optical fiber containing alkali metal oxide - Disclosed is an optical fiber having a silica-based core comprising an alkali metal oxide a silica-based core, said core comprising an alkali metal oxide selected from the group consisting of K | 11-13-2008 |
20080279517 | Large effective area fiber - An optical fiber according to an embodiment of the present invention comprises: a glass core extending from a centerline to a radius R | 11-13-2008 |
20080304800 | Optical fiber with large effective area - An optical fiber comprising: a glass core extending from a centerline to a radius R | 12-11-2008 |
20090060436 | Large effective area high SBS threshold optical fiber - Microstructured optical fiber for transmitting optical signals comprised of light, the optical fiber including a core region and a cladding region surrounding the core region, the cladding region including at least one annular region having an index of refraction lower than that of the remainder of the cladding. The optical fiber provides an absolute SBS threshold in dBm greater than about 9.3+10log[(1−e | 03-05-2009 |
20090148113 | Large Effective Area Optical Fiber - An optical fiber comprising: (i) a glass core ( | 06-11-2009 |
20100021116 | Single Mode Optical Fiber - A single mode optical fiber comprises: (i) a segmented core having at least three segments and (ii) a silica based clad layer surrounding and in contact with the core, the clad layer having a refractive index n | 01-28-2010 |
20100046899 | Low Bend Loss Single Mode Optical Fiber - Optical waveguide fiber that is bend resistant and single mode at 1260 nm and at higher wavelengths. The optical fiber includes a core of radius R | 02-25-2010 |
20100195966 | Large Effective Area Fiber With GE-Free Core - According to some embodiments an optical waveguide fiber comprises:
| 08-05-2010 |
20110088433 | Methods For Drawing Multimode Bend Resistant Optical Fiber - According to one embodiment, a method for characterizing a multimode, bend resistant optical fiber may include determining a core refractive index profile for a core portion of a preform and determining a moat refractive index profile for a moat portion of the preform. Thereafter, a property of a multimode optical fiber is determined prior to drawing the multimode optical fiber from the preform. The property of the multimode fiber is determined based on the core refractive index profile of the preform, the moat refractive index profile of the preform, the inner radius r | 04-21-2011 |
20110129191 | LARGE EFFECTIVE AREA FIBER - An optical fiber with a glass core extending from a centerline to a radius R | 06-02-2011 |
20120106909 | LARGE EFFECTIVE AREA OPTICAL FIBER WITH LOW BEND LOSS - An optical fiber includes a central glass core region comprising maximum refractive index delta percent Δ | 05-03-2012 |
20120294575 | LOW BEND LOSS OPTICAL FIBER - An optical fiber includes a central glass core region comprising maximum refractive index delta percent Δ | 11-22-2012 |
20130029038 | METHOD OF MAKING A MULTIMODE OPTICAL FIBER - A method of making a multimode optical fiber is disclosed. In one embodiment the method includes calculating a core radius that maximizes the bandwidth of the multimode optical fiber wherein the effect of draw tension is accounted for. The embodiments herein illustrate how core radius can be tuned so the time delay of the outermost guided mode group is reduced. The resultant core radius may be targeted for a value off-nominal from what would be expected for a particular commercial optical fiber type. | 01-31-2013 |
20130044987 | LOW BEND LOSS OPTICAL FIBER - An optical fiber having both low macrobend loss and low microbend loss. The fiber has a first inner cladding region having an outer radius r | 02-21-2013 |
20130230290 | FEW MODE OPTICAL FIBERS - A few mode optical fiber comprising:
| 09-05-2013 |
20140294355 | LARGE EFFECTIVE AREA FIBER WITH LOW BENDING LOSSES - A fiber having a large effective area at 1550 nm of at least 130 μm | 10-02-2014 |
20140301708 | LOW BEND LOSS OPTICAL FIBER - An optical fiber having both low bend loss. The fiber has a central core region having refractive index Δ | 10-09-2014 |
20140328566 | OPTICAL FIBER WITH LARGE MODE FIELD DIAMETER AND LOW MICROBENDING LOSSES - Optical fibers having a mode field diameter at 1310 nm of at least 8.8 μm, wire mesh covered drum microbending losses at 1550 nm less than 0.03 dB/km, and a 2 m cutoff wavelength less than 1320 nm. The fibers may include a central core region, an inner cladding region, an outer cladding region, a primary coating with an in situ modulus less than 0.20 MPa and glass transition temperature less than −35° C., and a secondary coating with an in situ modulus greater than 1500 MPa. The fibers may further include a depressed index cladding region. The relative refractive index of the central core region may be greater than the relative refractive index of the outer cladding region may be greater than the relative refractive index of the inner cladding region. The fibers may be produced at draw speeds of 30 m/s or greater. | 11-06-2014 |