Patents by Inventor Kevin Wallace Bennett
Kevin Wallace Bennett has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20210356659Abstract: The optical fibers disclosed is a single mode optical fiber comprising a core region and a cladding region surrounding and directly adjacent to the core region. The core region can have a radius r1 in a range from 3 ?m to 7 ?m and a relative refractive index profile ?1 having a maximum relative refractive index ?1max in the range from 0.25% to 0.50%. The cladding region can include a first outer cladding region and a second outer cladding region surrounding and directly adjacent to the first outer cladding region. The first outer cladding region can have a radius r4a. The second outer cladding region can have a radius rob less than or equal to 45 ?m and comprising silica based glass doped with titania.Type: ApplicationFiled: May 10, 2021Publication date: November 18, 2021Inventors: Kevin Wallace Bennett, Scott Robertson Bickham, Pushkar Tandon, Ruchi Sarda Tandon, Bin Yang
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Publication number: 20210294027Abstract: A multicore optical fiber is provided that includes a first core with silica glass doped with chlorine and/or an alkali metal, a first inner cladding surrounding the first core, and a first outer cladding surrounding the first inner cladding and having a first trench region having a volume of about 30%?-micron2 or greater. The multicore optical fiber also includes a second core with silica glass doped with chlorine and/or an alkali metal, a second inner cladding surrounding the second core, and a second outer cladding surrounding the second inner cladding and having a second trench region having a volume of about 30%?-micron2 or greater. Additionally, a common cladding surrounds the first core and the second core, and the first core and the second core each have an effective area at 1550 nm of about 100 micron2 or less.Type: ApplicationFiled: March 3, 2021Publication date: September 23, 2021Inventors: Kevin Wallace Bennett, Snigdharaj Kumar Mishra, Pushkar Tandon, Aramais Robert Zakharian
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Publication number: 20210055490Abstract: The high-density FAU comprises a support substrate having a grooved front-end section that supports glass end sections of the small diameter low-attenuation optical fibers. A cover is disposed on the front-end section and secured thereto to hold the glass end sections in place. The substrate and the cover can be made of the same glass or glasses having about the same CTE. The glass end sections have a diameter d4 so that the pitch P2 of the fibers at the front end of the FAU can be equal to or greater than d4, wherein d4=2r4, with r4 being the radius of the glass end section as defined by the optical fiber cladding. The glass end section has a radius r4 less than 45 microns, allowing for a high-density FAU and a high-density optical interconnection device.Type: ApplicationFiled: August 14, 2020Publication date: February 25, 2021Inventors: Kevin Wallace Bennett, Scott Robertson Bickham, Ximao Feng, Wen-Lung Kuang, Pushkar Tandon, Ruchi Tandon, Shudong Xiao, Bryan William Wakefield, Andy Fenglei Zhou
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Patent number: 10856952Abstract: A system for disinfecting a medical device is provided. The system includes a light source that generates light having at least one wavelength between about 100 nm and about 500 nm. The system further includes at least one cylindrical optical diffuser disposed in optical communication with at least one interior channel of a medical device, the at least one cylindrical optical diffuser having an outer surface and an end optically coupled to the light source. The at least one cylindrical optical diffuser is configured to scatter guided light through the outer surface to form a light diffuser portion having a length that emits substantially uniform radiation over its length.Type: GrantFiled: December 16, 2019Date of Patent: December 8, 2020Assignee: CORNING INCORPORATEDInventors: Anthony Sebastian Bauco, Kevin Wallace Bennett, William Spencer Klubben, III, Horst Schreiber
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Publication number: 20200138545Abstract: A system for disinfecting a medical device is provided. The system includes a light source that generates light having at least one wavelength between about 100 nm and about 500 nm. The system further includes at least one cylindrical optical diffuser disposed in optical communication with at least one interior channel of a medical device, the at least one cylindrical optical diffuser having an outer surface and an end optically coupled to the light source. The at least one cylindrical optical diffuser is configured to scatter guided light through the outer surface to form a light diffuser portion having a length that emits substantially uniform radiation over its length.Type: ApplicationFiled: December 16, 2019Publication date: May 7, 2020Inventors: Anthony Sebastian Bauco, Kevin Wallace Bennett, William Spencer Klubben, III, Horst Schreiber
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Patent number: 10627558Abstract: A light-diffusing optical fiber that provides a symmetric intensity distribution of forward and backward scattered light is described. The fiber includes a secondary coating that contains scattering centers. Control of the thickness of the secondary coating and concentration of scattering centers provides control over the distribution of scattered intensity. More symmetric distributions of scattered light intensity are realized by increasing the thickness of the secondary coating and/or the concentration of scattering centers in the secondary coating. Representative scattering centers include oxide nanoparticles.Type: GrantFiled: November 22, 2016Date of Patent: April 21, 2020Assignee: CORNING INCORPORATEDInventors: Kevin Wallace Bennett, Trista Nicole Hesch, Stephan Lvovich Logunov, Manuela Ocampo
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Patent number: 10543058Abstract: A system for disinfecting a medical device is provided. The system includes a light source that generates light having at least one wavelength between about 100 nm and about 500 nm. The system further includes at least one cylindrical optical diffuser disposed in optical communication with at least one interior channel of a medical device, the at least one cylindrical optical diffuser having an outer surface and an end optically coupled to the light source. The at least one cylindrical optical diffuser is configured to scatter guided light through the outer surface to form a light diffuser portion having a length that emits substantially uniform radiation over its length.Type: GrantFiled: August 18, 2016Date of Patent: January 28, 2020Assignee: CORNING INCORPORATEDInventors: Anthony Sebastian Bauco, Kevin Wallace Bennett, William Spencer Klubben, III, Horst Schreiber
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Patent number: 10545290Abstract: A fiber to waveguide coupler is provided that includes an optical fiber having a core and a cladding. The cladding includes an inner cladding and an outer cladding with a polymer. At least one of the core and inner cladding defines a substantially flat surface parallel with an axis of the optical fiber. The optical fiber defines a stripped portion substantially free of outer cladding configured to expose the at least one substantially flat surface of the core or inner cladding. A waveguide is configured to be evanescently coupled with the exposed at least one substantially flat surface of the core or inner cladding.Type: GrantFiled: January 13, 2017Date of Patent: January 28, 2020Assignee: Corning IncorporatedInventors: Kevin Wallace Bennett, Alan Frank Evans, Ming-Jun Li, Aramais Robert Zakharian
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Publication number: 20190331848Abstract: An optical fiber comprising: a core having an outer radius r1; a cladding having an outer radius r4?31 microns; a primary coating surrounding the cladding having an outer radius r5, a thickness tp>10 microns, in situ modulus EP of 0.5 MPa or less, and a spring constant ?P<1 MPa, where ?P=2EP r4/tP; and a secondary coating surrounding said primary coating, the secondary coating having an outer radius r6, a thickness tS=r6-r5, in situ modulus ES of 1200 MPa or greater; tS greater than 9.5 microns, wherein r6 is 50 to 67.5 microns. The fiber has a mode field diameter MFD greater than 8.2 microns at 1310 nm; a fiber cutoff wavelength of less than 1310 nm; and a bend loss at a wavelength of 1550 nm, when wrapped around a mandrel having a diameter of 10 mm, of less than 1.0 dB/turn.Type: ApplicationFiled: April 23, 2019Publication date: October 31, 2019Inventors: Kevin Wallace Bennett, Scott Robertson Bickham, Pushkar Tandon, Ruchi Tandon
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Publication number: 20190331850Abstract: An optical fiber comprising: a core having an outer radius ri; a cladding having an outer radius r4<45 microns; a primary coating surrounding the cladding and having an outer radius r5 and a thickness tp>8 microns, the primary coating having in situ modulus EP of 0.35 MPa or less and a spring constant ?P<1.6 MPa, where ?P=2EP r4/tP; and a secondary coating surrounding said primary coating, the secondary coating having an outer radius r6, a thickness tS=r6?r5, in situ modulus ES of 1200 MPa or greater, wherein >10 microns and r6?85 microns. The fiber has a mode field diameter MFD greater than 8.2 microns at 1310 nm; a cutoff wavelength of less than 1310 nm; and a bend loss at a wavelength of 1550 nm, when wrapped around a mandrel having a diameter of 10 mm, of less than 1.0 dB/turn.Type: ApplicationFiled: April 23, 2019Publication date: October 31, 2019Inventors: Kevin Wallace Bennett, Scott Robertson Bickham, Pushkar Tandon, Ruchi Tandon, Bryan William Wakefield
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Publication number: 20190331849Abstract: An optical fiber comprising: (a) a core having an outer radius r1; (b) a cladding having an outer radius r4<32.5 microns; (c) a primary coating surrounding the cladding having an outer radius r5, a thickness tP>8 microns, in situ modulus EP?0.35 MPa and a spring constant ?P<2.0 MPa, where ?P=2EP r4/tP; and (d) a secondary coating surrounding said primary coating, the secondary coating having an outer radius r6 and a thickness tS=r6?r5, and in situ modulus ES of 1200 MPa or greater; tS>8 microns, r6?56 microns. The fiber has a mode field diameter MFD greater than 8.2 microns at 1310 nm; a fiber cutoff wavelength of less than 1310 nm; and a bend loss at a wavelength of 1550 nm, when wrapped around a mandrel having a diameter of 10 mm, of less than 1.0 dB/turn.Type: ApplicationFiled: April 23, 2019Publication date: October 31, 2019Inventors: Kevin Wallace Bennett, Scott Robertson Bickham, Pushkar Tandon, Ruchi Tandon
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Publication number: 20190008607Abstract: A system for disinfecting a medical device is provided. The system includes a light source that generates light having at least one wavelength between about 100 nm and about 500 nm. The system further includes at least one cylindrical optical diffuser disposed in optical communication with at least one interior channel of a medical device, the at least one cylindrical optical diffuser having an outer surface and an end optically coupled to the light source. The at least one cylindrical optical diffuser is configured to scatter guided light through the outer surface to form a light diffuser portion having a length that emits substantially uniform radiation over its length.Type: ApplicationFiled: August 18, 2016Publication date: January 10, 2019Inventors: Anthony Sebastian BAUCO, Kevin Wallace BENNETT, William Spencer KLUBBEN, III, Horst SCHREIBER
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Patent number: 10162109Abstract: According to embodiments, an optical fiber may include a core portion comprising a radius rC, a centerline CL, a numerical aperture NA greater than or equal to 0.15 and less than or equal to 0.25, a graded relative refractive index profile having a maximum relative refractive index ?Cmax and an ? value greater than or equal to 1 and less than or equal to 3. The core portion may include an up-dopant with a graded concentration from the radius rC to the centerline CL and an attenuation dopant with a constant concentration from the centerline CL of the core portion to the radius rC of the core portion. The optical fiber is multi-moded for wavelengths of light within a range from 800 nm to 1350 nm and an attenuation of the optical fiber wavelengths between 800 nm and 1000 nm is greater than or equal to 0.5 dB/m.Type: GrantFiled: January 26, 2018Date of Patent: December 25, 2018Assignee: Corning IncorporatedInventors: Kevin Wallace Bennett, Scott Robertson Bickham, Dana Craig Bookbinder, Robert Arnold Knowlton, Ming-Jun Li, Pushkar Tandon
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Patent number: 10156693Abstract: A multicore optical fiber with a reference section having a material defining a marked multicore glass optical fiber. The multicore fibers can be in groupings, for example, the groupings can be in the form of one of an optical fiber ribbon covered by a matrix, and a tight buffered cable. Fiber optic connectors can be assembled to the multicore optical fiber at either or both ends, and the colored portion can be associated with the optical fiber connector aligning the optical core elements with the optical connectors. The assembly can have at least one transceiver device with a transmit port and a receive port defining a two-way communication channel. Further aspects describe methods of manufacturing multicore fibers including application of curable coatings and reference sections.Type: GrantFiled: June 6, 2017Date of Patent: December 18, 2018Assignee: Corning Optical Communications LLCInventors: Seldon David Benjamin, Kevin Wallace Bennett, Douglas Llewellyn Butler, William Carl Hurley
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Patent number: 10156672Abstract: The present invention is directed to an optical fiber that includes a glass core region that has nano-sized structures configured to scatter light propagating in the glass core region. The glass core region has an average refractive index navg. The fiber includes an interior glass cladding region that has an interior cladding refractive index n2 that is less than navg. The fiber includes an outer cladding region that has an outer cladding refractive index n3 that is less than n2. A refractive index difference of n2?n3 corresponds to a bend uniformity diameter; the light exiting the outer cladding at a fiber bending location is substantially non-uniform when a bending diameter of the fiber bending location is less than the bend uniformity diameter.Type: GrantFiled: October 21, 2015Date of Patent: December 18, 2018Assignee: CORNING INCORPORATEDInventors: Seldon David Benjamin, Kevin Wallace Bennett
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Patent number: 10145681Abstract: A Brillouin-based distributed bend fiber sensor and method for using the Brillouin-based distributed bend fiber sensor are described herein. In one example, the Brillouin-based distributed bend fiber sensor is specially configured to measure a temperature distribution (?T), a bend angle ?, and a bend radius R along a deployed fiber (e.g., four-core fiber).Type: GrantFiled: July 11, 2017Date of Patent: December 4, 2018Assignee: Corning IncorporatedInventors: Kevin Wallace Bennett, Ming-Jun Li, Shenping Li
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Publication number: 20180224599Abstract: According to embodiments, an optical fiber may include a core portion comprising a radius rC, a centerline CL, a numerical aperture NA greater than or equal to 0.15 and less than or equal to 0.25, a graded relative refractive index profile having a maximum relative refractive index ?Cmax and an ? value greater than or equal to 1 and less than or equal to 3. The core portion may include an up-dopant with a graded concentration from the radius rC to the centerline CL and an attenuation dopant with a constant concentration from the centerline CL of the core portion to the radius rC of the core portion. The optical fiber is multi-moded for wavelengths of light within a range from 800 nm to 1350 nm and an attenuation of the optical fiber wavelengths between 800 nm and 1000 nm is greater than or equal to 0.5 dB/m.Type: ApplicationFiled: January 26, 2018Publication date: August 9, 2018Inventors: Kevin Wallace Bennett, Scott Robertson Bickham, Dana Craig Bookbinder, Robert Arnold Knowlton, Ming-Jun Li, Pushkar Tandon
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Patent number: 10001597Abstract: A multicore optical fiber that includes seventeen cores arranged in a hexagonally close-packed configuration, each core having a core center and comprising silica and an up-dopant; and a cladding region surrounding the seventeen cores, the cladding region having a cladding edge, an outer diameter, and a cladding composition comprising silica. The outer diameter of the cladding region is between about 100 microns and 150 microns. Further, the hexagonally close-packed configuration has bi-lateral symmetry to accommodate bi-directional data flow within the fiber.Type: GrantFiled: August 31, 2016Date of Patent: June 19, 2018Assignee: Corning IncorporatedInventors: Kevin Wallace Bennett, Douglas Llewellyn Butler, Ming-Jun Li, Robert Adam Modavis
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Patent number: 9989699Abstract: An optical fiber comprising: (i) a core region comprising an outer radius r1, and 3.0?r1?7.0 microns and a relative refractive index ?1max and 0.32%??1max?0.5%; (b) a depressed index cladding region surrounding the core region comprising an outer radius r3 and a relative refractive index ?3 less than ?0.2%, and trench volume V3 wherein 45% ?-micron2?|V3|?200% ?-micron2; (c) a first outer cladding region surrounding the depressed index cladding region and comprising a relative refractive index ?4 and an outer radius r4; and (d) a second outer cladding layer comprising 5 wt %-20 wt % titania, a relative refractive index ?5, and a thickness TM, wherein 3 micron?TM?30 microns, and outer radius r5?65 microns; the optical fiber has a mode field diameter MFD1550 and 8 microns?MFD1550?10.5 microns, a cutoff wavelength ?1550 nm when bent 1 turn around a 2.5 mm radius mandrel, and a bending loss at 1550 nm when using a mandrel comprising a radius of 2.5 mm of ?1.0 dB/turn.Type: GrantFiled: October 23, 2017Date of Patent: June 5, 2018Assignee: Corning IncorporatedInventors: Kevin Wallace Bennett, Dana Craig Bookbinder, Douglas Llewellyn Butler, Ming-Jun Li, Pushkar Tandon
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Publication number: 20180120503Abstract: An optical fiber comprising: (i) a core region comprising an outer radius r1, and 3.0?r1?7.0 microns and a relative refractive index ?1max and 0.32%??1max?0.5%; (b) a depressed index cladding region surrounding the core region comprising an outer radius r3 and a relative refractive index ?3 less than ?0.2%, and trench volume V3 wherein 45% ?-micron2?|V3|?200% ?-micron2; (c) a first outer cladding region surrounding the depressed index cladding region and comprising a relative refractive index ?4 and an outer radius r4; and (d) a second outer cladding layer comprising 5 wt %-20 wt % titania, a relative refractive index ?5, and a thickness TM, wherein 3 micron?TM?30 microns, and outer radius r5?65 microns; the optical fiber has a mode field diameter MFD1550 and 8 microns?MFD1550?10.5 microns, a cutoff wavelength <1550 nm when bent 1 turn around a 2.5 mm radius mandrel, and a bending loss at 1550 nm when using a mandrel comprising a radius of 2.5 mm of ?10 dB/turn.Type: ApplicationFiled: October 23, 2017Publication date: May 3, 2018Inventors: Kevin Wallace Bennett, Dana Craig Bookbinder, Douglas Llewellyn Butler, Ming-Jun Li, Pushkar Tandon