Patents by Inventor Gordon S. Kino
Gordon S. Kino 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: 9864190Abstract: Aspects of the present invention are directed to apparatuses, arrangements, systems and methods for collecting information using one or more modalities. As consistent with one or more embodiments, an apparatus includes first and second scanning mirror arrangements having different scanning axes and respectively facing different directions. The first scanning mirror arrangement directs source light and image light in two paths, and the second scanning mirror arrangement directs image light from a target to the first scanning mirror arrangement. The first and second scanning mirror arrangements cooperatively scan source light from the first scanning mirror and via the second scanning mirror to target locations with at least two degrees of freedom, and direct image light from the target locations.Type: GrantFiled: February 23, 2012Date of Patent: January 9, 2018Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Michael Mandella, Gordon S. Kino, Christopher H. Contag, Olav Solgaard, Butrus Khuri-Yakub, Omer Oralkan, Jae-Woong Jeong, Paul Cristman, Jonathan T. C. Liu, Hyejun Ra, Jae Eun Hwang
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Patent number: 9702755Abstract: A sensor is provided, with the sensor including a reflective element and an optical fiber positioned relative to the reflective element such that light emitted from the optical fiber is reflected by the reflective element and propagates in an optical cavity between the optical fiber and the reflective element. A first material is within the optical cavity and has a coefficient of thermal expansion and a thickness that compensate a refractive index change with temperature of a second material within the optical cavity.Type: GrantFiled: October 30, 2014Date of Patent: July 11, 2017Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Onur Can Akkaya, Michel J. F. Digonnet, Onur Kilic, Gordon S. Kino, Olav Solgaard
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Publication number: 20150330830Abstract: A sensor is provided, with the sensor including a reflective element and an optical fiber positioned relative to the reflective element such that light emitted from the optical fiber is reflected by the reflective element and propagates in an optical cavity between the optical fiber and the reflective element. A first material is within the optical cavity and has a coefficient of thermal expansion and a thickness that compensate a refractive index change with temperature of a second material within the optical cavity.Type: ApplicationFiled: October 30, 2014Publication date: November 19, 2015Inventors: Onur Can Akkaya, Michel J.F. Digonnet, Onur Kilic, Gordon S. Kino, Olay Solgaard
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Patent number: 9170599Abstract: A method utilizes an optical image processing system. The method includes calculating a product of (i) a measured magnitude of a Fourier transform of a complex transmission function of an object or optical image and (ii) an estimated phase term of the Fourier transform of the complex transmission function. The method further includes calculating an inverse Fourier transform of the product, wherein the inverse Fourier transform is a spatial function. The method further includes calculating an estimated complex transmission function by applying at least one constraint to the inverse Fourier transform.Type: GrantFiled: November 7, 2011Date of Patent: October 27, 2015Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Aydogan Ozcan, Michel J. F. Digonnet, Gordon S. Kino
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Patent number: 8897610Abstract: A method for fabricating a sensor is provided, with the sensor including a reflective element and an optical fiber positioned relative to the reflective element such that light emitted from the optical fiber is reflected by the reflective element and propagates in an optical cavity between the optical fiber and the reflective element. The method includes positioning an element within the optical cavity. The element has a coefficient of thermal expansion and a thickness that compensate a refractive index change with temperature of a medium within the optical cavity.Type: GrantFiled: August 21, 2013Date of Patent: November 25, 2014Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Onur Can Akkaya, Michel J. F. Digonnet, Onur Kilic, Gordon S. Kino, Olav Solgaard
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Patent number: 8885170Abstract: A gyroscope and a method of detecting rotation are provided. The gyroscope includes a structure configured to be driven to move about a drive axis. The structure is further configured to move about a sense axis in response to a Coriolis force generated by rotation of the structure about a rotational axis while moving about the drive axis. The structure further includes at least one first torsional spring extending generally along the drive axis and at least one second torsional spring extending generally along the sense axis. The gyroscope further includes an optical sensor system configured to optically measure movement of the structure about the sense axis.Type: GrantFiled: January 22, 2014Date of Patent: November 11, 2014Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Onur Kilic, Michel J. F. Digonnet, Gordon S. Kino, Olav Solgaard
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Patent number: 8874403Abstract: An apparatus and method process optical coherence tomography (OCT) imaging data from a sample. The method includes using a magnitude spectrum and an estimated phase term of a complex spatial Fourier transform of a complex intermediate function to generate an estimated complex spatial Fourier transform. The method further includes calculating an inverse Fourier transform of the estimated complex spatial Fourier transform and calculating an estimated intermediate function by applying at least one constraint to the inverse Fourier transform. The apparatus includes a partially reflective element configured to reflect a first portion of light and to allow a second portion of light to propagate through the partially reflective element and to reflect from the sample. The apparatus further includes a detector that measures the OCT power spectrum in response to the first and second portions of light.Type: GrantFiled: June 12, 2012Date of Patent: October 28, 2014Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Aydogan Ozcan, Michel J. F. Digonnet, Gordon S. Kino
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Publication number: 20140130597Abstract: A gyroscope and a method of detecting rotation are provided. The gyroscope includes a structure configured to be driven to move about a drive axis. The structure is further configured to move about a sense axis in response to a Coriolis force generated by rotation of the structure about a rotational axis while moving about the drive axis. The structure further includes at least one first torsional spring extending generally along the drive axis and at least one second torsional spring extending generally along the sense axis. The gyroscope further includes an optical sensor system configured to optically measure movement of the structure about the sense axis.Type: ApplicationFiled: January 22, 2014Publication date: May 15, 2014Applicant: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Onur Kilic, Michel J.F. Digonnet, Gordon S. Kino, Olav Solgaard
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Publication number: 20130340232Abstract: A method for fabricating a sensor is provided, with the sensor including a reflective element and an optical fiber positioned relative to the reflective element such that light emitted from the optical fiber is reflected by the reflective element and propagates in an optical cavity between the optical fiber and the reflective element. The method includes positioning an element within the optical cavity. The element has a coefficient of thermal expansion and a thickness that compensate a refractive index change with temperature of a medium within the optical cavity.Type: ApplicationFiled: August 21, 2013Publication date: December 26, 2013Applicant: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Onur Can Akkaya, Michel J.F. Digonnet, Onur Kilic, Gordon S. Kino, Olav Solgaard
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Patent number: 8548283Abstract: An optical structure includes an optical waveguide and at least one photonic crystal structure. The optical structure also includes a structural portion mechanically coupled to the optical waveguide and the at least one photonic crystal structure such that a region substantially bounded by the structural portion, the optical waveguide, and the at least one photonic crystal structure has a specified volume.Type: GrantFiled: July 20, 2012Date of Patent: October 1, 2013Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Onur Kilic, Michel J. F. Digonnet, Gordon S. Kino, Olav Solgaard, Shrestha Basu Mallick, Onur Can Akkaya
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Patent number: 8542956Abstract: An acoustic sensor includes a diaphragm having a reflective element. The sensor has an optical fiber positioned relative to the reflective element such that light emitted from the optical fiber is reflected by the reflective element. A first end of the optical fiber and the reflective element form an optical cavity therebetween. The acoustic sensor further includes a structural element mechanically coupled to the diaphragm and the optical fiber. The structural element includes a material having a coefficient of thermal expansion substantially similar to the coefficient of thermal expansion of the optical fiber. For example, the material can be silica.Type: GrantFiled: March 14, 2011Date of Patent: September 24, 2013Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Onur Can Akkaya, Michel J. F. Digonnet, Onur Kilic, Gordon S. Kino, Olav Solgaard
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Patent number: 8537368Abstract: A method detects an acceleration. The method includes providing a spatial mode filter positioned such that light emitted from the spatial mode filter is reflected by at least a portion of a reflective surface. The spatial mode filter and the portion of the reflective surface form an optical resonator having an optical resonance with a resonance lineshape. The method further includes emitting light from the spatial mode filter and irradiating the portion of the reflective surface. The portion of the reflective surface is responsive to acceleration of the optical resonator by changing curvature. The method further includes measuring a change of the resonance lineshape due to the acceleration of the optical resonator.Type: GrantFiled: January 7, 2013Date of Patent: September 17, 2013Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Onur Kilic, Michel J. F. Digonnet, Gordon S. Kino, Olav Solgaard
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Patent number: 8428412Abstract: An optical fiber includes a cladding with a material having a first refractive index and a pattern of regions formed therein. Each of the regions has a second refractive index lower than the first refractive index. The optical fiber further includes a core region and a core ring having an inner perimeter, an outer perimeter, and a thickness between the inner perimeter and the outer perimeter. The thickness is sized to reduce the number of ring surface modes supported by the core ring.Type: GrantFiled: January 20, 2009Date of Patent: April 23, 2013Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Hyang Kyun Kim, Shanhui Fan, Gordon S. Kino, Jonghwa Shin, Michel J. F. Digonnet, Vinayak Dangui
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Patent number: 8407036Abstract: A method and apparatus models one or more electromagnetic field modes of a waveguide. The method includes calculating a first matrix having a plurality of elements and having a first bandwidth using a refractive index profile of the waveguide. The plurality of elements of the first matrix represents an action of Maxwell's equations on a transverse magnetic field within the waveguide. The method further includes rearranging the plurality of elements of the first matrix to form a second matrix having a second bandwidth smaller than the first bandwidth. The method further includes shifting the second matrix and inverting the shifted second matrix to form a third matrix. The method further includes calculating one or more eigenvalues or eigenvectors of the third matrix corresponding to one or more modes of the waveguide.Type: GrantFiled: February 11, 2009Date of Patent: March 26, 2013Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Vinayak Dangui, Michel J. F. Digonnet, Gordon S. Kino
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Patent number: 8385697Abstract: An optical fiber includes a cladding, a first core, and a second core. At least one of the first core and the second core is hollow and is substantially surrounded by the cladding. At least a portion of the first core is generally parallel to and spaced from at least a portion of the second core. The optical fiber includes a defect substantially surrounded by the cladding, the defect increasing a coupling coefficient between the first core and the second core.Type: GrantFiled: December 7, 2011Date of Patent: February 26, 2013Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Vinayak Dangui, Michel J. F. Digonnet, Gordon S. Kino
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Patent number: 8373865Abstract: A method detects a topology of a reflective surface. The method includes providing an optical fiber positioned such that light emitted from the optical fiber is reflected by at least a portion of the reflective surface. The optical fiber and the portion of the reflective surface form an optical resonator having an optical resonance with a resonance lineshape. The method further includes emitting light from the optical fiber while the optical fiber is at a plurality of positions along the reflective surface. The light emitted from the optical fiber irradiates a corresponding plurality of portions of the reflective surface. The method further includes measuring a change of the resonance lineshape due to the irradiation of the plurality of portions of the reflective surface.Type: GrantFiled: January 23, 2012Date of Patent: February 12, 2013Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Onur Kilic, Michel J. F. Digonnet, Gordon S. Kino, Olav Solgaard
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Publication number: 20130022307Abstract: An optical structure includes an optical waveguide and at least one photonic crystal structure. The optical structure also includes a structural portion mechanically coupled to the optical waveguide and the at least one photonic crystal structure such that a region substantially bounded by the structural portion, the optical waveguide, and the at least one photonic crystal structure has a specified volume.Type: ApplicationFiled: July 20, 2012Publication date: January 24, 2013Applicant: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Onur Kilic, Michel J.F. Digonnet, Gordon S. Kino, Olav Solgaard, Shrestha Basu Mallick, Onur Can Akkaya
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Publication number: 20120330157Abstract: Aspects of the present invention are directed to apparatuses, arrangements, systems and methods for collecting information using one or more modalities. As consistent with one or more embodiments, an apparatus includes first and second scanning mirror arrangements having different scanning axes and respectively facing different directions. The first scanning mirror arrangement directs source light and image light in two paths, and the second scanning mirror arrangement directs image light from a target to the first scanning mirror arrangement. The first and second scanning mirror arrangements cooperatively scan source light from the first scanning mirror and via the second scanning mirror to target locations with at least two degrees of freedom, and direct image light from the target locations.Type: ApplicationFiled: February 23, 2012Publication date: December 27, 2012Inventors: Michael Mandella, Gordon S. Kino, Christopher H. Contag, Olav Solgaard, Butrus Khuri-Yakub, Omer Oralkan, Jae-Woong Jeong, Paul Cristman, Jonathan T.C. Liu, Hyejun Ra, Jae Eun Hwang
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Patent number: 8331741Abstract: An acoustic sensor includes at least one photonic crystal structure and an optical fiber in optical communication with the at least one photonic crystal structure. The at least one photonic crystal structure has at least one optical resonance with a resonance frequency and a resonance lineshape, wherein at least one of the resonance frequency and the resonance lineshape is responsive to acoustic waves incident upon the acoustic sensor. The acoustic sensor further includes an optical fiber in optical communication with the at least one photonic crystal structure. The optical fiber is configured to transmit light which impinges the at least one photonic crystal structure and to receive at least a portion of the light which impinges the at least one photonic crystal structure.Type: GrantFiled: January 23, 2012Date of Patent: December 11, 2012Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Onur Kilic, Olav Solgaard, Michel J. F. Digonnet, Gordon S. Kino
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Publication number: 20120300214Abstract: A gyroscope and a method of detecting rotation are provided. The gyroscope includes a structure configured to be driven to move about a drive axis. The structure is further configured to move about a sense axis in response to a Coriolis force generated by rotation of the structure about a rotational axis while moving about the drive axis. The structure further includes at least one first torsional spring extending generally along the drive axis and at least one second torsional spring extending generally along the sense axis. The gyroscope further includes an optical sensor system configured to optically measure movement of the structure about the sense axis.Type: ApplicationFiled: August 9, 2012Publication date: November 29, 2012Applicant: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Onur Kilic, Michel J.F. Digonnet, Gordon S. Kino, Olav Solgaard