Patents by Inventor Amir Arbabi
Amir Arbabi 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: 20210318516Abstract: An optical system and an image sensor including the same are provided. The optical system includes first, second, and third optical devices. At least one of the first, second, and third optical devices is a thin-lens including nanostructures.Type: ApplicationFiled: February 4, 2021Publication date: October 14, 2021Applicants: Samsung Electronics Co., Ltd., California Institute of TechnologyInventors: Seunghoon Han, Amir Arbabi, Andrei Faraon, Sungwoo Hwang, Jangwoo You, Byounglyong Choi
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Publication number: 20210288096Abstract: An image sensor includes a substrate, thin lenses disposed on a first surface of the substrate and configured to concentrate lights incident on the first surface, and light-sensing cells disposed on a second surface of the substrate, the second surface facing the first surface, and the light-sensing cells being configured to sense lights passing through the thin lenses, and generate electrical signals based on the sensed lights. A first thin lens and second thin lens of the thin lenses are configured to concentrate a first light and a second light, respectively, of the incident lights onto the light-sensing cells, the first light having a different wavelength than the second light.Type: ApplicationFiled: June 1, 2021Publication date: September 16, 2021Applicants: Samsung Electronics Co., Ltd., California Institute of TechnologyInventors: Amir Arbabi, Seunghoon Han, Andrei Faraon
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Patent number: 11092486Abstract: Compact optical devices such as spectrometers are realized with metasurfaces within a dielectric medium confined by reflective surfaces. The metasurfaces control the phase profiles of the reflected electromagnetic waves within the device. In a compact spectrometer, the metasurfaces within the device separate the electromagnetic waves in different wavelengths. The metasurfaces are designed according to their phase profile by varying the size of the array of scatterers.Type: GrantFiled: December 7, 2018Date of Patent: August 17, 2021Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: MohammadSadegh Faraji-Dana, Ehsan Arbabi, Amir Arbabi, Andrei Faraon
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Patent number: 11089286Abstract: An image sensor includes a substrate, a first thin lens configured to concentrate light of a first wavelength, and including a plurality of first scatterers disposed on the substrate. The plurality of first scatterers includes a material having a refractive index greater than a refractive index of the substrate. The image sensor further includes a plurality of light-sensing cells configured to sense the light concentrated by the first thin lens.Type: GrantFiled: February 25, 2019Date of Patent: August 10, 2021Assignees: SAMSUNG ELECTRONICS CO., LTD., CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Amir Arbabi, Seunghoon Han, Andrei Faraon
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Patent number: 11037976Abstract: An image sensor includes a substrate, thin lenses disposed on a first surface of the substrate and configured to concentrate lights incident on the first surface, and light-sensing cells disposed on a second surface of the substrate, the second surface facing the first surface, and the light-sensing cells being configured to sense lights passing through the thin lenses, and generate electrical signals based on the sensed lights. A first thin lens and second thin lens of the thin lenses are configured to concentrate a first light and a second light, respectively, of the incident lights onto the light-sensing cells, the first light having a different wavelength than the second light.Type: GrantFiled: July 31, 2019Date of Patent: June 15, 2021Assignees: SAMSUNG ELECTRONICS CO., LTD., CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Amir Arbabi, Seunghoon Han, Andrei Faraon
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Patent number: 10942333Abstract: An optical system and an image sensor including the same are provided. The optical system includes first, second, and third optical devices. At least one of the first, second, and third optical devices is a thin-lens including nanostructures.Type: GrantFiled: March 16, 2018Date of Patent: March 9, 2021Assignees: SAMSUNG ELECTRONICS CO., LTD., CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Seunghoon Han, Amir Arbabi, Andrei Faraon, Sungwoo Hwang, Jangwoo You, Byounglyong Choi
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Patent number: 10938179Abstract: Provided are an addressable laser array device and an electronic apparatus including the addressable laser array device. The addressable laser array device includes a plurality of VCSELs, each including a distributed Bragg reflector (DBR), a nanostructure reflector including a plurality of nanostructures having a sub-wavelength dimension, and a gain layer disposed between the DBR and the nanostructure reflector; a plurality of first wiring patterns extending in a first direction and being electrically connected to the plurality of VCSELs, respectively; and a plurality of second wiring patterns extending in a second direction intersecting the first direction and being electrically connected to the plurality of VCSELs, respectively, wherein the plurality of VCSELs are disposed at intersections of the plurality of first wiring patterns and the plurality of second wiring patterns, and the addressable VCSEL array device is configured to selectively drive at least some of the plurality of VCSELs.Type: GrantFiled: March 21, 2019Date of Patent: March 2, 2021Assignees: SAMSUNG ELECTRONICS CO., LTD., UNIVERSITY OF MASSACHUSETTSInventors: Byunghoon Na, Mahdad Mansouree, Seunghoon Han, Amir Arbabi
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Publication number: 20210028235Abstract: An image sensor includes a first light sensor layer including light sensing cells configured to sense first light of an incident light and generate electrical signals based on the sensed first light, and a color filter array layer disposed on the first light sensor layer, and including color filters respectively facing the light sensing cells. The image sensor further includes a second light sensor layer disposed on the color filter array layer, and configured to sense second light of the incident light and generate an electrical signal based on the sensed second light. Each of the color filters includes a nanostructure including a first material having a first refractive index, and a second material having a second refractive index greater than the first refractive index, the first material and the second material being alternately disposed with a period.Type: ApplicationFiled: October 15, 2020Publication date: January 28, 2021Applicants: SAMSUNG ELECTRONICS CO., LTD., CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Seunghoon HAN, Kwanghee LEE, Yongwan JIN, Yongsung KIM, Changgyun SHIN, Jeongyub LEE, Amir ARBABI, Andrei FARAON, Yu HORIE
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Patent number: 10881336Abstract: A solution containing a target molecule and a reference molecule is illuminated to obtain Raman signals. An optical metasurface is used as a diffractive optical element to split the Raman signal from the target molecule and the Raman signal from the reference molecule. The target and reference Raman signals can be detected at different locations with different photodetectors, and the target molecule concentration in the solution is determined by comparing the target and reference Raman signals.Type: GrantFiled: August 19, 2016Date of Patent: January 5, 2021Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Andrei Faraon, Amir Arbabi, Yu Horie
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Publication number: 20200388644Abstract: An image sensor includes a substrate, thin lenses disposed on a first surface of the substrate and configured to concentrate lights incident on the first surface, and light-sensing cells disposed on a second surface of the substrate, the second surface facing the first surface, and the light-sensing cells being configured to sense lights passing through the thin lenses, and generate electrical signals based on the sensed lights. A first thin lens and second thin lens of the thin lenses are configured to concentrate a first light and a second light, respectively, of the incident lights onto the light-sensing cells, the first light having a different wavelength than the second light.Type: ApplicationFiled: August 21, 2020Publication date: December 10, 2020Applicants: SAMSUNG ELECTRONICS CO., LTD., CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Amir ARBABI, Seunghoon HAN, Andrei FARAON, Hyeonsoo PARK
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Patent number: 10840302Abstract: An image sensor includes a first light sensor layer including light sensing cells configured to sense first light of an incident light and generate electrical signals based on the sensed first light, and a color filter array layer disposed on the first light sensor layer, and including color filters respectively facing the light sensing cells. The image sensor further includes a second light sensor layer disposed on the color filter array layer, and configured to sense second light of the incident light and generate an electrical signal based on the sensed second light. Each of the color filters includes a nanostructure including a first material having a first refractive index, and a second material having a second refractive index greater than the first refractive index, the first material and the second material being alternately disposed with a period.Type: GrantFiled: March 30, 2017Date of Patent: November 17, 2020Assignees: SAMSUNG ELECTRONICS CO., LTD., CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Seunghoon Han, Kwanghee Lee, Yongwan Jin, Yongsung Kim, Changgyun Shin, Jeongyub Lee, Amir Arbabi, Andrei Faraon, Yu Horie
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Patent number: 10816704Abstract: An optical device has a first metasurface. A high-contrast pattern of the first metasurface is operable for modifying, over a first phase profile, a phase front of an incident light beam. A second metasurface, is disposed over a plane parallel to the first metasurface with a second high-contrast pattern and operable for shaping, over a second phase profile, the modified phase front of the incident light beam into a converging spherical phase front. A spacer layer, in which the modified phase front of the incident light beam diffracts, is disposed in a controllably changeable separation between the first and second metasurfaces. Controllably changing the separation between the first and the second metasurfaces by a first distance correspondingly changes the position of the focus point of the converging spherical phase front by a second distance.Type: GrantFiled: May 3, 2018Date of Patent: October 27, 2020Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Amir Arbabi, Andrei Faraon
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Patent number: 10790325Abstract: An image sensor includes a substrate, thin lenses disposed on a first surface of the substrate and configured to concentrate lights incident on the first surface, and light-sensing cells disposed on a second surface of the substrate, the second surface facing the first surface, and the light-sensing cells being configured to sense lights passing through the thin lenses, and generate electrical signals based on the sensed lights. A first thin lens and second thin lens of the thin lenses are configured to concentrate a first light and a second light, respectively, of the incident lights onto the light-sensing cells, the first light having a different wavelength than the second light.Type: GrantFiled: October 9, 2019Date of Patent: September 29, 2020Assignees: SAMSUNG ELECTRONICS CO., LTD., CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Amir Arbabi, Seunghoon Han, Andrei Faraon, Hyeonsoo Park
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Publication number: 20200292809Abstract: A focusing device includes a substrate and a plurality of scatterers provided at both sides of the substrate. The scatterers on the both sides of the focusing device may correct geometric aberration, and thus, a field of view (FOV) of the focusing device may be widened.Type: ApplicationFiled: May 28, 2020Publication date: September 17, 2020Applicants: SAMSUNG ELECTRONICS CO., LTD., CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Amir ARBABI, Seunghoon HAN, Andrei FARAON
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Patent number: 10777970Abstract: Provided is a metamaterial-based reflector including a first metamaterial layer including an array of first nanostructures, and a second metamaterial layer provided on the first metamaterial layer, the second metamaterial layer including an array of second nanostructures, wherein an arrangement of the second nanostructures is different from an arrangement the first nanostructures.Type: GrantFiled: June 14, 2019Date of Patent: September 15, 2020Assignees: SAMSUNG ELECTRONICS CO., LTD., UNIVERSITY OF MASSACHUSETTSInventors: Seunghoon Han, Byunghoon Na, Babak Mirzapourbeinekalaye, Amir Arbabi
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Publication number: 20200285067Abstract: To overcome the problem of a diffractive surface having a large, and often excessively large, amount of chromatic aberration, an optical system can use multiple cascaded or sequential diffractive surfaces that, combined, have a reduced amount of chromatic aberration. The optical system can be designed such that all rays traversing the optical system and passing through the diffractive surfaces have an equal optical path length. In the design process, the sets of rays are identified, and the designs of the diffractive surfaces are selected to produce the angular deviations to produce the identified ray paths. In one example, an achromatic lens formed as two annular optical surfaces can receive a collimated incident beam, redirect rays helically at the first surface toward the second surface, and redirect the rays at the second surface toward a focal point. The azimuthal redirection can decrease with increasing distance away from a central axis.Type: ApplicationFiled: March 5, 2020Publication date: September 10, 2020Inventors: Amir Arbabi, Andrew Corby McClung
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Publication number: 20200264343Abstract: A meta-lens includes a first layer that is arranged on a substrate and that includes a plurality of first nanostructures and a second layer including a plurality of second nanostructures separately arranged from the first nanostructures. The meta-lens may focus light of a plurality of wavelengths or light of a wide wavelength bandwidth due to the arrangement of the nanostructures in a multilayer structure.Type: ApplicationFiled: September 18, 2019Publication date: August 20, 2020Applicants: SAMSUNG ELECTRONICS CO., LTD., UNIVERSITY OF MASSACHUSETTSInventors: Seunghoon HAN, Mahdad MANSOUREE, Amir ARBABI, Suyeon LEE
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Publication number: 20200256725Abstract: A spectrometer includes a substrate; a slit which is provided on the substrate and through which light is incident onto the substrate; a metasurface including nanostructures that is configured to reflect and focus the light incident thereon through the slit, at different angles based on respective wavelengths; and a sensor which is provided on one side of the substrate that is opposite to another side of the substrate at which the metasurface is disposed, and configured to receive the light from the metasurface.Type: ApplicationFiled: November 22, 2019Publication date: August 13, 2020Applicants: Samsung Electronics Co., Ltd., California Institute Of TechnologyInventors: Seunghoon Han, Amir Arbabi, Andrei Faraon, Ehsan Arbabi
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Publication number: 20200249429Abstract: Provided an imaging apparatus including a first optical device, a second optical device disposed such that light transmitted through the first optical device is incident on the second optical device, and a third optical device disposed such that light transmitted through the second optical device is incident on the third optical device, wherein at least one of the first optical device, the second optical device, and the third optical device includes a plurality of nanostructures, and heights of at least two nanostructures of the plurality of nanostructures are different from each other.Type: ApplicationFiled: February 25, 2020Publication date: August 6, 2020Applicants: SAMSUNG ELECTRONICS CO., LTD., CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Seunghoon HAN, Amir ARBABI, Andrei FARAON, Sungwoo HWANG, Jangwoo YOU, Byounglyong CHOI, Hyeonsoo PARK
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Patent number: 10712554Abstract: A focusing device includes a substrate and a plurality of scatterers provided at both sides of the substrate. The scatterers on the both sides of the focusing device may correct geometric aberration, and thus, a field of view (FOV) of the focusing device may be widened.Type: GrantFiled: May 23, 2018Date of Patent: July 14, 2020Assignees: SAMSUNG ELECTRONICS CO., LTD., CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Amir Arbabi, Seunghoon Han, Andrei Faraon