Patents by Inventor Kevan BELL
Kevan BELL 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: 11950882Abstract: A photoacoustic remote sensing system for imaging a subsurface structure in a sample, comprising exactly one laser source configured to generate a pulsed or intensity-modulated excitation beam configured to generate ultrasonic pressure signals in the sample at an excitation location, and an interrogation beam incident on the sample at the excitation location, a portion of the interrogation beam returning from the sample that is indicative of the generated ultrasonic pressure signals, an optical system configured to focus the excitation beam and the interrogation beam below a surface of the sample, a detector configured to detect the returning portion of the interrogation beam, and a processor configured to calculate an image of the sample based on a detected intensity modulation of the returning portion of the interrogation beam from below the surface of the sample.Type: GrantFiled: December 21, 2022Date of Patent: April 9, 2024Assignee: ILLUMISONICS INC.Inventors: Parsin Haji Reza, Kevan Bell
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Publication number: 20240044777Abstract: A photoacoustic remote sensing system (PARS) for imaging a subsurface structure in a sample, comprising one or more laser sources configured to generate a plurality of excitation beams configured to generate pressure signals in the sample at an excitation location, and a plurality of interrogation beams incident on the sample at the excitation location, a portion of the plurality of interrogation beams returning from the sample that is indicative of the generated pressure signals, an optical system configured to focus the plurality of excitation beams at a first focal point and the plurality of interrogation beams at a second focal point, the first and second focal points being below the surface of the sample, and a plurality of detectors each configured to detect a returning portion of at least one of the plurality of interrogation beams.Type: ApplicationFiled: October 17, 2023Publication date: February 8, 2024Applicant: ILLUMISONICS INC.Inventors: Parsin HAJI REZA, Kevan BELL
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Patent number: 11841315Abstract: A photoacoustic remote sensing system (PARS) for imaging a subsurface structure in a sample, comprising one or more laser sources configured to generate a plurality of excitation beams configured to generate pressure signals in the sample at an excitation location, and a plurality of interrogation beams incident on the sample at the excitation location, a portion of the plurality of interrogation beams returning from the sample that is indicative of the generated pressure signals, an optical system configured to focus the plurality of excitation beams at a first focal point and the plurality of interrogation beams at a second focal point, the first and second focal points being below the surface of the sample, and a plurality of detectors each configured to detect a returning portion of at least one of the plurality of interrogation beams.Type: GrantFiled: December 19, 2019Date of Patent: December 12, 2023Assignee: ILLUMISONICS INC.Inventors: Parsin Haji Reza, Kevan Bell
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Publication number: 20230355099Abstract: A method for visualizing details in a sample including directing an excitation beam to an excitation location below a surface of the sample, to generate signals in the sample; directing an interrogation beam toward the excitation location of the sample; directing a signal enhancement beam to the sample, to raise a temperature of a portion of the sample by 5 Kelvin or less, compared to a temperature of the portion of the sample in absence of the signal enhancement beam; detecting a portion of the interrogation beam returning from the sample that is indicative of the generated signals.Type: ApplicationFiled: May 9, 2023Publication date: November 9, 2023Applicant: ILLUMISONICS INC.Inventors: Parsin HAJI REZA, Zohreh HOSSEINAEE, Kevan BELL, Saad ABBASI, Benjamin ECCLESTONE
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Patent number: 11786128Abstract: A method for visualizing details in a sample including directing an excitation beam to an excitation location below a surface of the sample, to generate signals in the sample; directing an interrogation beam toward the excitation location of the sample; directing a signal enhancement beam to the sample, to raise a temperature of a portion of the sample by 5 Kelvin or less, compared to a temperature of the portion of the sample in absence of the signal enhancement beam; detecting a portion of the interrogation beam returning from the sample that is indicative of the generated signals.Type: GrantFiled: August 5, 2021Date of Patent: October 17, 2023Assignee: ILLUMISONICS INC.Inventors: Parsin Haji Reza, Zohreh Hosseinaee, Kevan Bell, Saad Abbasi, Benjamin Ecclestone
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Publication number: 20230225618Abstract: A photoacoustic remote sensing system for imaging a subsurface structure in a sample, comprising exactly one laser source configured to generate a pulsed or intensity-modulated excitation beam configured to generate ultrasonic pressure signals in the sample at an excitation location, and an interrogation beam incident on the sample at the excitation location, a portion of the interrogation beam returning from the sample that is indicative of the generated ultrasonic pressure signals, an optical system configured to focus the excitation beam and the interrogation beam below a surface of the sample, a detector configured to detect the returning portion of the interrogation beam, and a processor configured to calculate an image of the sample based on a detected intensity modulation of the returning portion of the interrogation beam from below the surface of the sample.Type: ApplicationFiled: December 21, 2022Publication date: July 20, 2023Applicant: ILLUMISONICS INC.Inventors: Parsin HAJI REZA, Kevan BELL
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Patent number: 11564578Abstract: A photoacoustic remote sensing system for imaging a subsurface structure in a sample, comprising exactly one laser source configured to generate a pulsed or intensity-modulated excitation beam configured to generate ultrasonic pressure signals in the sample at an excitation location, and an interrogation beam incident on the sample at the excitation location, a portion of the interrogation beam returning from the sample that is indicative of the generated ultrasonic pressure signals, an optical system configured to focus the excitation beam and the interrogation beam below a surface of the sample, a detector configured to detect the returning portion of the interrogation beam, and a processor configured to calculate an image of the sample based on a detected intensity modulation of the returning portion of the interrogation beam from below the surface of the sample.Type: GrantFiled: March 3, 2020Date of Patent: January 31, 2023Assignee: illumiSonics Inc.Inventors: Parsin Haji Reza, Kevan Bell
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Publication number: 20220022752Abstract: A method for visualizing details in a sample including directing an excitation beam to an excitation location below a surface of the sample, to generate signals in the sample; directing an interrogation beam toward the excitation location of the sample; directing a signal enhancement beam to the sample, to raise a temperature of a portion of the sample by 5 Kelvin or less, compared to a temperature of the portion of the sample in absence of the signal enhancement beam; detecting a portion of the interrogation beam returning from the sample that is indicative of the generated signals.Type: ApplicationFiled: August 5, 2021Publication date: January 27, 2022Applicant: ILLUMISONICS INC.Inventors: Parsin HAJI REZA, Zohreh HOSSEINAEE, Kevan BELL, Saad ABBASI, Ben ECCELSTONE
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Publication number: 20210404948Abstract: A photoacoustic remote sensing system (PARS) for imaging a subsurface structure in a sample, comprising one or more laser sources configured to generate a plurality of excitation beams configured to generate pressure signals in the sample at an excitation location, and a plurality of interrogation beams incident on the sample at the excitation location, a portion of the plurality of interrogation beams returning from the sample that is indicative of the generated pressure signals, an optical system configured to focus the plurality of excitation beams at a first focal point and the plurality of interrogation beams at a second focal point, the first and second focal points being below the surface of the sample, and a plurality of detectors each configured to detect a returning portion of at least one of the plurality of interrogation beams.Type: ApplicationFiled: December 19, 2019Publication date: December 30, 2021Applicant: ILLUMISONICS INC.Inventors: Parsin HAJI REZA, Kevan BELL
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Patent number: 11122978Abstract: A dual-modality photoacoustic remote sensing combined with optical coherence tomography (PARS-OCT) system for visualizing details in a sample, the system comprising one or more light sources configured to generate (1) one or more excitation beams configured to generate signals in the sample at one or more first locations below a surface of the sample; (2) one or more interrogation beams incident on the sample at one or more second locations; (3) a sample beam; and (4) a reference beam.Type: GrantFiled: September 2, 2020Date of Patent: September 21, 2021Inventors: Parsin Haji Reza, Zohreh Hosseinaee, Kevan Bell, Saad Abbasi, Ben Eccelstone
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Publication number: 20210199566Abstract: A photoacoustic remote sensing system for imaging a subsurface structure in a sample, comprising exactly one laser source configured to generate a pulsed or intensity-modulated excitation beam configured to generate ultrasonic pressure signals in the sample at an excitation location, and an interrogation beam incident on the sample at the excitation location, a portion of the interrogation beam returning from the sample that is indicative of the generated ultrasonic pressure signals, an optical system configured to focus the excitation beam and the interrogation beam below a surface of the sample, a detector configured to detect the returning portion of the interrogation beam, and a processor configured to calculate an image of the sample based on a detected intensity modulation of the returning portion of the interrogation beam from below the surface of the sample.Type: ApplicationFiled: March 3, 2020Publication date: July 1, 2021Applicant: ILLUMISONICS INC.Inventors: Parsin HAJI REZA, Kevan BELL
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Publication number: 20200359903Abstract: A coherence gated photoacoustic remote sensing system for imaging a subsurface structure in a sample with optical resolution may include an excitation beam source configured to generate an excitation beam that induces ultrasonic signals in the sample at an excitation location; an interrogation team source configured to generate an interrogation team incident on the sample at an interrogation location, a portion of the interrogation beam returning from the sample that is indicative of the generated ultrasonic signals, the interrogation beam being a low-coherent beam; an optical system that focuses the excitation beam onto the sample at an excitation location, and focuses the interrogation beam onto the sample at an interrogation location, at least the interrogation location being below the surface of and within the sample; and a low coherence interferometer that isolates a returning portion of the interrogation beam that corresponds to an interrogation event of the sample.Type: ApplicationFiled: September 28, 2018Publication date: November 19, 2020Applicant: ILLUMISONICS INC.Inventors: Parsin HAJI REZA, Roger ZEMP, Kevan BELL