| Patent Number |
Title Of Patent |
Date Issued |
| 7412135 |
Fiber optic coupler, optical fiber useful with the coupler and/or a pump light source, and metho |
August 12, 2008 |
| An optical fiber coupler can include at least a first input optical fiber and an output optical fiber, where the first input optical fiber can comprise an antiguiding core, a first cladding disposed about the antiguiding core and a second cladding disposed about the first cladding so |
| 7400812 |
Apparatus and methods for accommodating loops of optical fiber |
July 15, 2008 |
| Disclosed is an optical apparatus (10, 110, 410, 610) for accommodating optical fiber, such as one or more loops of optical fiber. The optical apparatus (10, 110, 410, 610) can include a body (12, 112, 412, 612) comprising an inwardly facing surface (16, 116, 416, 616) adapted for re |
| 7386210 |
Optical fiber |
June 10, 2008 |
| An optical fiber comprises a photosensitive core that includes a concentration of a first material that increases the refractive index of the core and a concentration of a second material that is other than boron and that reduces the refractive index of the core. A cladding is dispos |
| 7371019 |
Method and apparatus for sensing light |
May 13, 2008 |
| Disclosed is an optical apparatus including an optical fiber having a wavelength of operation, the optical fiber comprising a first length of the optical fiber joined to a second length of the optical fiber with a splice such that the first and second lengths are in optical communica |
| 7277610 |
Optical fiber and system containing same |
October 2, 2007 |
| Optical fibers (e.g., fiber amplifiers and fiber lasers), and systems containing optical fibers (e.g., fiber amplifier systems and fiber laser systems) are disclosed. |
| 7215858 |
Ring core fiber |
May 8, 2007 |
| An optical waveguide can include a first region (12), a core (14) and a cladding (16). The core (14) surrounds the first region (12), and the cladding (16) surrounds the core (14). Typically, the core (14) includes an active material. In a further aspect, the invention features a system |
| 7167621 |
Optical fiber with suppressed stimulated Brillouin scattering and method for making such a fiber |
January 23, 2007 |
| An optical fiber for the transmission of electromagnetic energy, where the fiber can have increased input power threshold for the onset of Stimulated Brillouin Scattering (SBS). The fiber can comprise a core and a cladding disposed about the core. The core can have a distribution of |
| 7116887 |
Optical fiber |
October 3, 2006 |
| An optical fiber comprises a photosensitive core that includes a concentration of a first material that increases the refractive index of the core and a concentration of a second material that is other than boron and that reduces the refractive index of the core. A cladding is dispos |
| 7110647 |
Multimode polarization maintaining double clad fiber |
September 19, 2006 |
| A polarization maintaining optical fiber has a core extending along a longitudinal axis, where the core includes a rare earth and a first index of refraction. A cladding is disposed about the core and has a first thermal coefficient of expansion (TCE) and a second index of refraction |
| 7072552 |
Optical fiber with micro-structured cladding |
July 4, 2006 |
| An optical fiber having a length can include a core and at least one cladding disposed about the core, where the one cladding can comprise at least first volumetric regions having a first refractive index n.sub.1 and second volumetric regions having a second refractive index n.sub.2, |
| 7062137 |
Fiber optic article including fluorine |
June 13, 2006 |
| A fiber optic article, such as an optical fiber or an optical preform, can include a core comprising a concentration of erbium, a concentration of fluorine and a concentration of ytterbium for sensitizing the erbium by absorbing pump light and transferring energy to the erbium. The erbiu |
| 7050686 |
Fiber optic article with inner region |
May 23, 2006 |
| A fiber optic article can comprise a core, an inner region disposed about the core and a cladding disposed about the inner region. The index of refraction of the cladding can be less than that of the inner region, and the index of refraction of the inner region can be less than that of t |
| 7003206 |
Cladding-pumped optical fiber and methods for fabricating |
February 21, 2006 |
| Disclosed is an optical fiber article for receiving pump radiation of a first wavelength for amplifying or generating radiation of a second wavelength. The optical fiber article includes a core for propagating light of the second wavelength. The core has a first index of refraction a |
| 6904214 |
Method of providing an optical fiber having a minimum temperature sensitivity at a selected temp |
June 7, 2005 |
| An optical fiber for use in making components of an optical communication system has cladding and core materials the constituents of which cause a component made from the fiber to have a rate of change with respect to temperature of a response to a signal which passes through zero at a |
| 6832026 |
Optical fiber having high temperature insensitivity over a temperature range centered on a selec |
December 14, 2004 |
| An optical fiber for use in making components of an optical communication system has cladding and core materials the constituents of which cause a component made from the fiber to have a rate of change with respect to temperature of a response to a signal which passes through zero at a |
| 6793411 |
Method and apparatus for communicating signals with an optical fiber |
September 21, 2004 |
| An optical assembly for communication of an optical signal between fiber and a receiver or transmitter, including a body including a guideway, a first semiconductor optical element for conversion between electrical and optical signals and for one of receiving or transmitting light, and a |
| 6779364 |
Cladding-pumped optical fiber and methods for fabricating |
August 24, 2004 |
| Disclosed is an optical fiber article for receiving pump radiation of a first wavelength for amplifying or generating radiation of a second wavelength. The optical fiber article includes a core for propagating light of the second wavelength. The core has a first index of refraction a |
| 6687445 |
Double-clad optical fiber for lasers and amplifiers |
February 3, 2004 |
| A double-clad optical fiber includes a core, a multimode inner cladding layer disposed about the core, and a second cladding layer disposed about the inner cladding layer. The core includes an active material for absorbing pump radiation received by the inner cladding. The multimode |
| 6625363 |
Cladding-pumped optical fiber |
September 23, 2003 |
| Optical apparatus including a cladding-pumped optical fiber that includes a core that includes an active material, a multimode inner cladding disposed about the core, and a second cladding disposed about the multimode inner cladding. The cladding-pumped optical fiber can include, dispose |
| 6477307 |
Cladding-pumped optical fiber and methods for fabricating |
November 5, 2002 |
| Disclosed is an optical fiber article for receiving pump radiation of a first wavelength for amplifying or generating radiation of a second wavelength. The optical fiber article includes a core for propagating light of the second wavelength. The core has a first index of refraction i |
