Patents by Inventor Colin C. Baker
Colin C. Baker 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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Patent number: 12149038Abstract: Methods for synthesizing fibers having nanoparticles therein are provided, as well as preforms and fibers incorporating nanoparticles. The nanoparticles may include one or more rare earth ions selected based on fluorescence at eye-safer wavelengths, surrounded by a low-phonon energy host. Nanoparticles that are not doped with rare earth ions may also be included as a co-dopant to help increase solubility of nanoparticles doped with rare earth ions in the silica matrix. The nanoparticles may be incorporated into a preform, which is then drawn to form fiber. The fibers may beneficially be incorporated into lasers and amplifiers that operate at eye safer wavelengths. Lasers and amplifiers incorporating the fibers may also beneficially exhibit reduced Stimulated Brillouin Scattering.Type: GrantFiled: June 22, 2021Date of Patent: November 19, 2024Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Colin C. Baker, Edward J. Friebele, Woohong Kim, L. Brandon Shaw, Jasbinder S. Sanghera
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Patent number: 12138904Abstract: A bonded optical assembly comprising infrared-transparent materials. The assembly comprises two or more infrared transparent optical elements and a polymer comprising at least one chalcogenide element and crosslinking moieties between the infrared-transparent optical elements. The crosslinking moieties may be organic, inorganic, or both.Type: GrantFiled: November 7, 2023Date of Patent: November 12, 2024Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Darryl A. Boyd, Jason D. Myers, Vinh Q. Nguyen, Daniel J. Gibson, Colin C. Baker, Woohong Kim, Jasbinder S. Sanghera
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Publication number: 20240066834Abstract: A bonded optical assembly comprising infrared-transparent materials. The assembly comprises two or more infrared transparent optical elements and a polymer comprising at least one chalcogenide element and crosslinking moieties between the infrared-transparent optical elements. The crosslinking moieties may be organic, inorganic, or both.Type: ApplicationFiled: November 7, 2023Publication date: February 29, 2024Inventors: Darryl A. Boyd, Jason D. Myers, Vinh Q. Nguyen, Daniel J. Gibson, Colin C. Baker, Woohong Kim, Jasbinder S. Sanghera
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Patent number: 11827008Abstract: A method for bonding infrared transparent materials by placing a polymer comprising at least one chalcogenide element and crosslinking moieties between infrared-transparent optical elements and applying heat, pressure, or both. The crosslinking moieties may be organic, inorganic, or both. Also disclosed is the related bonded assembly comprising infrared transparent optical elements.Type: GrantFiled: December 3, 2020Date of Patent: November 28, 2023Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Darryl A. Boyd, Jason D. Myers, Vinh Q. Nguyen, Daniel J. Gibson, Colin C. Baker, Woohong Kim, Jasbinder S. Sanghera
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Publication number: 20220332918Abstract: A polymer comprising one or more chalcogenide elements and one or more crosslinking moieties. The crosslinking moieties may be organic, inorganic, or both. Also disclosed is the related method for making a polymer comprising purifying a chalcogenide polymer powder comprising one or more chalcogenide elements, melting the purified chalcogenide polymer powder, adding one or more crosslinking moieties to the melted chalcogenide polymer, and curing the modified chalcogenide polymer at a temperature between 150 and 200° C.Type: ApplicationFiled: June 30, 2022Publication date: October 20, 2022Inventors: Darryl A. Boyd, Vinh Q. Nguyen, Nia A. Pollard, Frederic H. Kung, Daniel J. Gibson, Jason D. Myers, Colin C. Baker, Woohong Kim, Jasbinder S. Sanghera
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Publication number: 20220190173Abstract: A composition of matter having a coated silicon substrate with multiple alternating layers of polydopamine and polyallylamine bound copper-indium-gallium oxide (CIGO) nanoparticles on the substrate. A related composition of matter having polyallylamine bound to CIGO nanoparticles to form PAH-coated CIGO nanoparticles. A related CIGO thin film made via conversion of layer-by-layer assembled CIGO nanoparticles and polyelectrolytes. CIGO nanoparticles are created via a flame-spray pyrolysis method using metal nitrate precursors, subsequently coated with polyallylamine (PAH), and dispersed in aqueous solution. Multilayer films are assembled by alternately dipping a substrate into a solution of either polydopamine or polystyrenesulfonate and then in the CIGO-PAH dispersion to fabricate CIGO films as thick as 1-2 microns.Type: ApplicationFiled: March 7, 2022Publication date: June 16, 2022Inventors: Walter J. Dressick, Jasbinder S. Sanghera, Woohong Kim, Colin C. Baker, Jason D. Myers, Jesse A. Frantz
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Patent number: 11329446Abstract: An apparatus includes an amplified spontaneous emission source, which in turn includes an optical fiber. The optical fiber includes a solid core and a first end. The solid core includes a silica matrix. The silica matrix includes a rare-earth element and a glass co-dopant. The rare-earth element includes dysprosium or neodymium. The glass co-dopant includes Al2O3. The apparatus further includes a laser pump diode coupled to the first end of the optical fiber. The laser pump diode and the optical fiber cooperate to generate a spontaneous spectral emission confined to the solid core. The spontaneous spectral emission includes a simultaneous plurality of spectral regions.Type: GrantFiled: August 19, 2020Date of Patent: May 10, 2022Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Rafael R. Gattass, Colin C. Baker, Augustus Xavier Carlson, L. Brandon Shaw, Jasbinder S. Sanghera
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Patent number: 11271124Abstract: A composition of matter having a coated silicon substrate with multiple alternating layers of polydopamine and polyallylamine bound copper-indium-gallium oxide (CIGO) nanoparticles on the substrate. A related composition of matter having polyallylamine bound to CIGO nanoparticles to form PAH-coated CIGO nanoparticles. A related CIGO thin film made via conversion of layer-by-layer assembled CIGO nanoparticles and polyelectrolytes. CIGO nanoparticles are created via a flame-spray pyrolysis method using metal nitrate precursors, subsequently coated with polyallylamine (PAH), and dispersed in aqueous solution. Multilayer films are assembled by alternately dipping a substrate into a solution of either polydopamine or polystyrenesulfonate and then in the CIGO-PAH dispersion to fabricate CIGO films as thick as 1-2 microns.Type: GrantFiled: December 18, 2019Date of Patent: March 8, 2022Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Walter J. Dressick, Jasbinder S. Sanghera, Woohong Kim, Colin C. Baker, Jason D. Myers, Jesse A. Frantz
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Publication number: 20210376551Abstract: An apparatus includes an amplified spontaneous emission source, which in turn includes an optical fiber. The optical fiber includes a solid core and a first end. The solid core includes a silica matrix. The silica matrix includes a rare-earth element and a glass co-dopant. The rare-earth element includes dysprosium or neodymium. The glass co-dopant includes Al2O3. The apparatus further includes a laser pump diode coupled to the first end of the optical fiber. The laser pump diode and the optical fiber cooperate to generate a spontaneous spectral emission confined to the solid core. The spontaneous spectral emission includes a simultaneous plurality of spectral regions.Type: ApplicationFiled: August 19, 2020Publication date: December 2, 2021Inventors: Rafael R. Gattass, Colin C. Baker, Augustus Xavier Carlson, L. Brandon Shaw, Jasbinder S. Sanghera
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Publication number: 20210313756Abstract: Methods for synthesizing fibers having nanoparticles therein are provided, as well as preforms and fibers incorporating nanoparticles. The nanoparticles may include one or more rare earth ions selected based on fluorescence at eye-safer wavelengths, surrounded by a low-phonon energy host. Nanoparticles that are not doped with rare earth ions may also be included as a co-dopant to help increase solubility of nanoparticles doped with rare earth ions in the silica matrix. The nanoparticles may be incorporated into a preform, which is then drawn to form fiber. The fibers may beneficially be incorporated into lasers and amplifiers that operate at eye safer wavelengths. Lasers and amplifiers incorporating the fibers may also beneficially exhibit reduced Stimulated Brillouin Scattering.Type: ApplicationFiled: June 22, 2021Publication date: October 7, 2021Inventors: Colin C. Baker, Edward J. Friebele, Woohong Kim, L. Brandon Shaw, Jasbinder S. Sanghera
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Patent number: 11130675Abstract: A nanoparticle containing monoclinic lutetium oxide. A method of: dispersing a lutetium salt solution in a stream of oxygen gas to form droplets, and combusting the droplets to form nanoparticles containing lutetium oxide. The combustion occurs at a temperature sufficient to form monoclinic lutetium oxide in the nanoparticles. An article containing lutetium oxide and having an average grain size of at most 10 microns.Type: GrantFiled: August 15, 2012Date of Patent: September 28, 2021Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Colin C. Baker, Woohong Kim, Guillermo R. Villalobos, Jasbinder S. Sanghera, Ishwar D. Aggarwal
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Patent number: 11043785Abstract: Methods for synthesizing fibers having nanoparticles therein are provided, as well as preforms and fibers incorporating nanoparticles. The nanoparticles may include one or more rare earth ions selected based on fluorescence at eye-safer wavelengths, surrounded by a low-phonon energy host. Nanoparticles that are not doped with rare earth ions may also be included as a co-dopant to help increase solubility of nanoparticles doped with rare earth ions in the silica matrix. The nanoparticles may be incorporated into a preform, which is then drawn to form fiber. The fibers may beneficially be incorporated into lasers and amplifiers that operate at eye safer wavelengths. Lasers and amplifiers incorporating the fibers may also beneficially exhibit reduced Stimulated Brillouin Scattering.Type: GrantFiled: October 13, 2017Date of Patent: June 22, 2021Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Colin C. Baker, Edward J. Friebele, Woohong Kim, L. Brandon Shaw, Jasbinder S. Sanghera
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Publication number: 20210162709Abstract: A method for bonding infrared transparent materials by placing a polymer comprising at least one chalcogenide element and crosslinking moieties between infrared-transparent optical elements and applying heat, pressure, or both. The crosslinking moieties may be organic, inorganic, or both. Also disclosed is the related bonded assembly comprising infrared transparent optical elements.Type: ApplicationFiled: December 3, 2020Publication date: June 3, 2021Inventors: Darryl A. Boyd, Jason D. Myers, Vinh Q. Nguyen, Danial J. Gibson, Colin C. Baker, Woohong Kim, Jasbinder S. Sanghera
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Publication number: 20200325300Abstract: This application relates generally to polymer materials comprising nanoscale ceramic particles for use as a coating in clad pump fiber lasers, including those that function at eye-safer wavelengths and the related method of making them. Fluorinated polymers that possess low refractive index, low optical loss, and high thermal stability are combined with fluorinated ceramic nanoparticles that possess low refractive index and high thermal conductivity to develop a polymer material.Type: ApplicationFiled: April 9, 2020Publication date: October 15, 2020Inventors: Darryl A. Boyd, Daniel Rhonehouse, Colin C. Baker, L. Brandon Shaw, Woohong Kim, Jasbinder S. Sanghera
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Publication number: 20200203541Abstract: A composition of matter having a coated silicon substrate with multiple alternating layers of polydopamine and polyallylamine bound copper-indium-gallium oxide (CIGO) nanoparticles on the substrate. A related composition of matter having polyallylamine bound to CIGO nanoparticles to form PAH-coated CIGO nanoparticles. A related CIGO thin film made via conversion of layer-by-layer assembled CIGO nanoparticles and polyelectrolytes. CIGO nanoparticles are created via a flame-spray pyrolysis method using metal nitrate precursors, subsequently coated with polyallylamine (PAH), and dispersed in aqueous solution. Multilayer films are assembled by alternately dipping a substrate into a solution of either polydopamine or polystyrenesulfonate and then in the CIGO-PAH dispersion to fabricate CIGO films as thick as 1-2 microns.Type: ApplicationFiled: December 18, 2019Publication date: June 25, 2020Inventors: Walter J. Dressick, Jasbinder S. Sanghera, Woohong Kim, Colin C. Baker, Jason D. Myers, Jesse A. Frantz
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Patent number: 10677567Abstract: A transparent composite armor is made of tens to hundreds or even thousands of thin layers of material each with a thickness of 10-500 ?m. An appropriate amount of impedance mismatch between the layers causes some reflection at each interface but limit the amplitude of the resulting tensile wave below the tensile strength of the constituent materials. The result is an improvement in ballistic performance and that will result is a significant impact in reducing size, weight, and volume of the armor.Type: GrantFiled: April 26, 2017Date of Patent: June 9, 2020Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Guillermo R. Villalobos, Shyam S. Bayya, Woohong Kim, Bryan Sadowski, Michael Hunt, Robert E. Miklos, Colin C. Baker, Jasbinder S. Sanghera, Alex E. Moser
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Patent number: 10486977Abstract: A method of purifying a spinel powder includes contacting a spinel powder with an acid solution to form an acid-washed spinel composition and contacting the acid-washed spinel composition with a basic solution to form a purified composition. The purified powder is suited to formation of low-absorption shaped bodies, such as windows for high intensity laser devices.Type: GrantFiled: July 26, 2016Date of Patent: November 26, 2019Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Woohong Kim, Guillermo R. Villalobos, Colin C. Baker, Shyam S. Bayya, Michael Hunt, Bryan Sadowski, Ishwar D. Aggarwal, Jasbinder S. Sanghera
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Patent number: 10059810Abstract: The present invention provides a method for synthesizing a new class of inorganic-organic polymeric materials. These polymers are made with a backbone comprising chalcogenide elements such as sulfur, selenium, and/or tellurium along with organic crosslinking moieties that determine its physical and optical properties. Also disclosed are the related polymeric materials. These polymers are suitable for optical applications in short wave infrared (SWIR, 1-3 ?m) and mid wave infrared (MWIR, 3-8 ?m) regions.Type: GrantFiled: November 23, 2016Date of Patent: August 28, 2018Assignee: The United States of America, as represented by the Secretary of the NavyInventors: Colin C. Baker, Darryl A. Boyd, Jason D. Myers, Vinh Q. Nguyen, Gryphon A. Drake, Woohong Kim, Steven R. Bowman, Jasbinder S. Sanghera
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Publication number: 20180109063Abstract: Methods for synthesizing fibers having nanoparticles therein are provided, as well as preforms and fibers incorporating nanoparticles. The nanoparticles may include one or more rare earth ions selected based on fluorescence at eye-safer wavelengths, surrounded by a low-phonon energy host. Nanoparticles that are not doped with rare earth ions may also be included as a co-dopant to help increase solubility of nanoparticles doped with rare earth ions in the silica matrix. The nanoparticles may be incorporated into a preform, which is then drawn to form fiber. The fibers may beneficially be incorporated into lasers and amplifiers that operate at eye safer wavelengths. Lasers and amplifiers incorporating the fibers may also beneficially exhibit reduced Stimulated Brillouin Scattering.Type: ApplicationFiled: October 13, 2017Publication date: April 19, 2018Applicant: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Colin C. Baker, Edward J. Friebele, Woohong Kim, L. Brandon Shaw, Jasbinder S. Sanghera
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Patent number: 9806209Abstract: A passivated iron disulfide (FeS2) surface encapsulated by an epitaxial zinc sulfide (ZnS) capping layer or matrix is provided. Also disclosed are methods for passivating the surface of crystalline iron disulfide by encapsulating it with an epitaxial zinc sulfide capping layer or matrix. Additionally disclosed is a photovoltaic (PV) device incorporating FeS2 encapsulated by ZnS.Type: GrantFiled: June 7, 2017Date of Patent: October 31, 2017Assignee: The United States of America as represented by the Secretary of the NavyInventors: Jesse A. Frantz, Jason D. Myers, Colin C. Baker, Jasbinder S. Sanghera, Steven C. Erwin