Patents by Inventor Jannick P. Rolland
Jannick P. Rolland 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: 11678801Abstract: a) A Gabor domain optical coherence microscopy (GD-OCM) system providing high resolution of structural and motion imaging of objects such as tissues is combined with the use of reverberant shear wave fields (RevSW) or longitudinal shear waves (LSW) and two novel mechanical excitation sources: a coaxial coverslip excitation (CCE) and a multiple pronged excitation (MPE) sources providing structured and controlled mechanical excitation in tissues and leading to accurate derivation of elastographic properties. Alternatively, general optical computed tomography (OCT) is combined with RevSW or LWC in the object to derive elastographic properties. The embodiments include (a) GD-OCM with RevSW; (b) GD-OCM with LSW; (c) General OCT with RevSW; and General OCT with LSW.Type: GrantFiled: April 2, 2020Date of Patent: June 20, 2023Assignee: University of RochesterInventors: Jose Fernando Zvietcovich Zegarra, Jannick P. Rolland, Cristina Canavesi, Kevin J Parker
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Patent number: 11675107Abstract: A see-through reflective optical device includes: a reflective metasurface configured for a targeted design optical wavelength, wherein the reflective metasurface comprises a sub-wavelength periodic arrangement of meta-atoms formed by patterned isolated gap surface plasmon (GSP) resonators, where the patterned isolated GSP resonators comprise a patterned optically thin metal layer for the design wavelength, an optically thick metal layer for the design wavelength, and an insulator layer between the patterned optically thin metal layer and the optically thick metal layer; and an array of apertures of random positions and diameters greater than the targeted design wavelength formed through the reflective metasurface providing a designed percentage of light transparency through the reflective metasurface. The reflective metasurface of the see-through reflective optical device may comprise, e.g.Type: GrantFiled: September 11, 2020Date of Patent: June 13, 2023Assignee: University of RochesterInventors: Daniel Nikolov, Jannick P. Rolland-Thompson, Nick Vamivakas, Fei Cheng, Aaron Bauer
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Patent number: 11624912Abstract: A near eye display assembly includes (a) frame; (b) a combiner operably connected to the frame as a first reflective surface positionable in front of an eye of a user of the display assembly; (c) a secondary mirror operably connected to the frame as a second reflective surface positionable proximate a side of the nose adjacent to the eye of a user of the display assembly; (d) an image source operably connected to the frame and optically coupled to the secondary mirror along an optical path; and (e) an optical fold element between the image source and the secondary mirror in the optical path, and positionable proximate the temple adjacent to the eye of a user of the display assembly; wherein an intermediate image is formed in the optical path between the image source and the secondary mirror, wherein the combiner and the secondary mirror are in an off-axis folded geometry which directs images from the optical fold element to an eyebox of the near eye display assembly, and at least one of the combiner and the sType: GrantFiled: June 3, 2019Date of Patent: April 11, 2023Assignee: University of RochesterInventors: Jannick P. Rolland, Aaron Bauer, Nick Vamivakas, Fei Cheng, Daniel Nikolov
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Patent number: 11592646Abstract: A mechanically tunable reflective metamirror optical device for a targeted design optical wavelength includes a dynamically deformable substrate and a sub-wavelength periodic arrangement of patterned isolated gap surface plasmon (GSP) resonators positioned in or on the dynamically deformable substrate. The patterned isolated GSP resonators are movable relative to each other and comprise a patterned optically thin metal layer for the design wavelength, a patterned optically thick metal layer for the design wavelength, and a patterned insulator layer between the patterned optically thin and optically thick metal layers.Type: GrantFiled: August 28, 2020Date of Patent: February 28, 2023Assignee: University of RochesterInventors: Daniel Nikolov, Nick Vamivakas, Fei Cheng, Aaron Bauer, Jannick P. Rolland
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Patent number: 11399713Abstract: Systems and methods for assessing multi-layer structures in which a spectrum array is generated from low coherence interferometry and input into a statistical estimator, which determines the thickness and layer number based on the inputted spectrum and other information, including information about a source intensity noise, Poisson noise, and dark noise associated with the low coherence interferometry.Type: GrantFiled: April 30, 2019Date of Patent: August 2, 2022Assignees: University of Rochester, The University of ArizonaInventors: Jinxin Huang, Jannick P. Rolland, Eric Clarkson, Matthew Kupinski
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Publication number: 20220221339Abstract: A detector system for Fourier spectroscopy such as a spectral domain optical coherence tomography instrument includes a diffractive optic for diffracting the interfering light into angularly dispersed wavenumbers, a prism for reduces a nonlinear angular dispersion among the wavenumbers, and a focusing optic for converting the angularly dispersed wavenumbers from the prism into spatially distributed wavenumbers along a detector having an array of pixels. A field lens between the focusing optic and the detector has a freeform surface for more evenly distributing the wavenumbers along the array of pixels.Type: ApplicationFiled: April 3, 2020Publication date: July 14, 2022Inventors: Changsik Yoon, Jannick P. Rolland-Thompson, Aaron Bauer
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Publication number: 20210307611Abstract: a) A Gabor domain optical coherence microscopy (GD-OCM) system providing high resolution of structural and motion imaging of objects such as tissues is combined with the use of reverberant shear wave fields (RevSW) or longitudinal shear waves (LSW) and two novel mechanical excitation sources: a coaxial coverslip excitation (CCE) and a multiple pronged excitation (MPE) sources providing structured and controlled mechanical excitation in tissues and leading to accurate derivation of elastographic properties. Alternatively, general optical computed tomography (OCT) is combined with RevSW or LWC in the object to derive elastographic properties. The embodiments include (a) GD-OCM with RevSW; (b) GD-OCM with LSW; (c) General OCT with RevSW; and General OCT with LSW.Type: ApplicationFiled: April 2, 2020Publication date: October 7, 2021Applicant: University of RochesterInventors: Jose Fernando ZVIETCOVICH ZEGARRA, Jannick P. Rolland, Cristina Canavesi, Kevin J. Parker
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Patent number: 11092425Abstract: Optical coherence tomography metrology systems with two highly telecentric objective lenses wherein one or both telecentric objectives can be arranged in a pseudo-bistatic configuration. One featured telecentric objective has a large scanning field of view relevant for broadband laser scanning applications where low uncertainty measurements are desired. Another featured telecentric objective has a large image space NA relevant as a standalone microscope objective or as a probing objective for optical coordinate measurement machines.Type: GrantFiled: June 20, 2019Date of Patent: August 17, 2021Assignee: University of RochesterInventors: Di Xu, Romita Chaudhuri, Jannick P. Rolland-Thompson
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Publication number: 20210103072Abstract: A see-through reflective optical device includes: a reflective metasurface configured for a targeted design optical wavelength, wherein the reflective metasurface comprises a sub-wavelength periodic arrangement of meta-atoms formed by patterned isolated gap surface plasmon (GSP) resonators, where the patterned isolated GSP resonators comprise a patterned optically thin metal layer for the design wavelength, an optically thick metal layer for the design wavelength, and an insulator layer between the patterned optically thin metal layer and the optically thick metal layer; and an array of apertures of random positions and diameters greater than the targeted design wavelength formed through the reflective metasurface providing a designed percentage of light transparency through the reflective metasurface. The reflective metasurface of the see-through reflective optical device may comprise, e.g.Type: ApplicationFiled: September 11, 2020Publication date: April 8, 2021Inventors: Daniel Nikolov, Jannick P. Rolland, Nick Vamivakas, Fei Cheng, Aaron Bauer
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Publication number: 20210063683Abstract: A mechanically tunable reflective metamirror optical device for a targeted design optical wavelength includes a dynamically deformable substrate and a sub-wavelength periodic arrangement of patterned isolated gap surface plasmon (GSP) resonators positioned in or on the dynamically deformable substrate. The patterned isolated GSP resonators are movable relative to each other and comprise a patterned optically thin metal layer for the design wavelength, a patterned optically thick metal layer for the design wavelength, and a patterned insulator layer between the patterned optically thin and optically thick metal layers.Type: ApplicationFiled: August 28, 2020Publication date: March 4, 2021Inventors: Daniel Nikolov, Nick Vamivakas, Fei Cheng, Aaron Bauer, Jannick P. Rolland
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Publication number: 20200011651Abstract: Optical coherence tomography metrology systems with two highly telecentric objective lenses wherein one or both telecentric objectives can be arranged in a pseudo-bistatic configuration. One featured telecentric objective has a large scanning field of view relevant for broadband laser scanning applications where low uncertainty measurements are desired. Another featured telecentric objective has a large image space NA relevant as a standalone microscope objective or as a probing objective for optical coordinate measurement machines.Type: ApplicationFiled: June 20, 2019Publication date: January 9, 2020Inventors: Di Xu, Romita Chaudhuri, Jannick P. Rolland-Thompson
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Publication number: 20190369401Abstract: A near eye display assembly includes (a) frame; (b) a combiner operably connected to the frame as a first reflective surface positionable in front of an eye of a user of the display assembly; (c) a secondary mirror operably connected to the frame as a second reflective surface positionable proximate a side of the nose adjacent to the eye of a user of the display assembly; (d) an image source operably connected to the frame and optically coupled to the secondary mirror along an optical path; and (e) an optical fold element between the image source and the secondary mirror in the optical path, and positionable proximate the temple adjacent to the eye of a user of the display assembly; wherein an intermediate image is formed in the optical path between the image source and the secondary mirror, wherein the combiner and the secondary mirror are in an off-axis folded geometry which directs images from the optical fold element to an eyebox of the near eye display assembly, and at least one of the combiner and the sType: ApplicationFiled: June 3, 2019Publication date: December 5, 2019Inventors: Jannick P. Rolland, Aaron Bauer, Nick Vamivakas, Fei Cheng, Daniel Nikolov
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Patent number: 10444069Abstract: Expanded performance opportunities for imaging spectrometers are described using ?-polynomial freeform surfaces in reflective and diffractive optics. The imaging spectrometers are generally of a type that include an entrance aperture for admitting radiation over a range of wavelengths, a detector array, a primary reflective optic with optical power, a secondary reflective diffractive optic, and a tertiary reflective optic with optical power for collectively imaging the entrance aperture onto the detector array through a range of dispersed positions. One or more of the primary reflective optic, the secondary reflective diffractive optic, and the tertiary reflective optic can include a ?-polynomial optical surface with no axis of symmetry and represented by a function that depends on both a radial component and an azimuthal component.Type: GrantFiled: June 7, 2016Date of Patent: October 15, 2019Assignee: University of RochesterInventors: Jannick P. Rolland, Jacob Reimers
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Publication number: 20190254516Abstract: Systems and methods for assessing multi-layer structures in which a spectrum array is generated from low coherence interferometry and input into a statistical estimator, which determines the thickness and layer number based on the inputted spectrum and other information, including information about a source intensity noise, Poisson noise, and dark noise associated with the low coherence interferometry.Type: ApplicationFiled: April 30, 2019Publication date: August 22, 2019Applicant: University of RochesterInventors: Jinxin Huang, Jannick P. Rolland
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Patent number: 10088681Abstract: A see-through optical display apparatus includes an image generating component, a tilted primary mirror having a non-flat, freeform, front optical surface, and a tilted secondary mirror having a non-flat, freeform, front optical surface, wherein the apparatus has an external pupil. A method for designing/making a see-through optical display apparatus for displaying an image generated by or on an image generating component of the apparatus.Type: GrantFiled: May 9, 2014Date of Patent: October 2, 2018Assignee: University of RochesterInventors: Jannick P. Rolland, Aaron Bauer
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Publication number: 20180136039Abstract: Expanded performance opportunities for imaging spectrometers are described using ?-polynomial freeform surfaces in reflective and diffractive optics. The imaging spectrometers are generally of a type that include an entrance aperture for admitting radiation over a range of wavelengths, a detector array, a primary reflective optic with optical power, a secondary reflective diffractive optic, and a tertiary reflective optic with optical power for collectively imaging the entrance aperture onto the detector array through a range of dispersed positions.Type: ApplicationFiled: June 7, 2016Publication date: May 17, 2018Inventors: Jannick P. Rolland, Jacob Reimers
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Patent number: 9964444Abstract: A full-field display for spectrally dispersive imaging optics, particularly as a design tool for evaluating optical designs including designs with freeform optical surfaces, includes a ray tracing module arranged for modeling local aberrations throughout the image field of the spectrometer and a display module that converts values of the modeled local aberrations throughout the image field into representative symbols. The spectrometer field has a first spatial dimension corresponding to a length dimension of an input and a second spectral dimension corresponding to the dispersion of the input. The representative symbols are plotted in an array having a first axis corresponding to the first spatial dimension of the image field and a second axis corresponding to the second spectral dimension of the image field.Type: GrantFiled: May 28, 2016Date of Patent: May 8, 2018Assignee: UNIVERSITY OF ROCHESTERInventors: Jannick P. Rolland, Jacob Reimers
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Publication number: 20170188815Abstract: Systems and methods for determining thickness of lipid and aqueous layers of a tear film in which a spectrum array is generated from optical coherence tomography and input into a statistical estimator, which determines the thickness of the lipid and/or aqueous layers at a nanometer resolution based on the inputted spectrum and other information, such as information about a laser intensity noise, Poisson noise, and dark noise associated with the OCT.Type: ApplicationFiled: March 17, 2017Publication date: July 6, 2017Applicants: UNIVERSITY OF ROCHESTER, THE ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIVERSITY OF ARIZONAInventors: Jinxin Huang, Jannick P. Rolland, Eric Clarkson, Matthew Kupinski
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Patent number: 9615735Abstract: Systems and methods for determining thickness of lipid and aqueous layers of a tear film in which a spectrum array is generated from optical coherence tomography and input into a statistical estimator, which determines the thickness of the lipid and/or aqueous layers at a nanometer resolution based on the inputted spectrum and other information, such as information about a laser intensity noise, Poisson noise, and dark noise associated with the OCT.Type: GrantFiled: November 19, 2014Date of Patent: April 11, 2017Assignees: University of Rochester, The Arizona Board of Regents on Behalf of The University of ArizonaInventors: Jinxin Huang, Jannick P. Rolland, Eric Clarkson, Matthew Kupinski
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Publication number: 20160350952Abstract: A full-field display for spectrally dispersive imaging optics, particularly as a design tool for evaluating optical designs including designs with freeform optical surfaces, includes a ray tracing module arranged for modeling local aberrations throughout the image field of the spectrometer and a display module that converts values of the modeled local aberrations throughout the image field into representative symbols. The spectrometer field has a first spatial dimension corresponding to a length dimension of an input and a second spectral dimension corresponding to the dispersion of the input. The representative symbols are plotted in an array having a first axis corresponding to the first spatial dimension of the image field and a second axis corresponding to the second spectral dimension of the image field.Type: ApplicationFiled: May 28, 2016Publication date: December 1, 2016Applicant: University of RochesterInventors: Jannick P. Rolland, Jacob Reimers