Patents by Inventor Kye-Sung Lee
Kye-Sung Lee 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: 20210293702Abstract: A compound microscope system, according to one embodiment, may comprise: a sample holder for supporting a sample; an optical interference microscope module for transferring a broadband light towards the sample and a reference mirror, and forming a tomographic image of the sample on the basis of a spectrum image formed by the mutual interference between lights reflected from the sample and the reference mirror; and a nonlinear microscope module for forming a nonlinear image of the sample by irradiating a laser pulse towards the sample, and then measuring an excitation light comprising excited multiphoton.Type: ApplicationFiled: August 29, 2019Publication date: September 23, 2021Inventors: Kye Sung LEE, Ki Soo CHANG
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Patent number: 11061170Abstract: Disclosed is a broadband objective lens and a method of manufacturing the objective lens. The objective lens includes a plurality of lenses, and each of the lenses includes a coating layer on which a nanopattern is formed.Type: GrantFiled: October 19, 2018Date of Patent: July 13, 2021Assignee: Korea Basic Science InstituteInventors: Ki Soo Chang, Kye Sung Lee, Dong Uk Kim, Jung Dae Kim
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Patent number: 10935470Abstract: Provided is an ultra microtome device including: a specimen restraint part having a sample holder formed on one side in a length direction, wherein a specimen is mounted on the sample holder; a power part for providing power for implementing a motion of the specimen restraint part; an up and down motion implementing part including a first cam rotated by a force transmitted from the power part and a first shaft for implementing an up and down motion of the specimen restraint part in response to the rotation of the first cam; and a forward and backward motion implementing part including a second cam rotated by the force transmitted from the power part and a second shaft for implementing a forward and backward motion of the specimen restraint part in response to the rotation of the second cam, thereby implementing a more precise motion.Type: GrantFiled: October 31, 2019Date of Patent: March 2, 2021Assignee: KOREA BASIC SCIENCE INSTITUTEInventors: Hwan Hur, Hee-Seok Kweon, Kye-Sung Lee
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Patent number: 10765322Abstract: Provided is a fast parallel optical coherence tomographic image generating method including dispersing light into N spectral regions ??1 through ??N sequentially from a low frequency wavelength to a high frequency wavelength, the light being emitted from a broadband light source of a fast parallel optical coherence tomographic image generating apparatus, N being an integer greater than or equal to 2, splitting the light emitted from the broadband light source to be incident on a sample and a reference mirror, partitioning the sample into N image regions P1 through PN, discretely controlling a beam scanner such that the light emitted from the broadband light source is incident on the sample at a position changed by a preset distance, acquiring an interference spectral image through interference light formed in response to interference of measurement light and reference light, and generating a tomographic image of the sample using the interference spectral image.Type: GrantFiled: October 18, 2018Date of Patent: September 8, 2020Assignee: Korea Basic Science InstituteInventors: Kye Sung Lee, Ki Soo Chang
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Publication number: 20200141837Abstract: Provided is an ultra microtome device including: a specimen restraint part having a sample holder formed on one side in a length direction, wherein a specimen is mounted on the sample holder; a power part for providing power for implementing a motion of the specimen restraint part; an up and down motion implementing part including a first cam rotated by a force transmitted from the power part and a first shaft for implementing an up and down motion of the specimen restraint part in response to the rotation of the first cam; and a forward and backward motion implementing part including a second cam rotated by the force transmitted from the power part and a second shaft for implementing a forward and backward motion of the specimen restraint part in response to the rotation of the second cam, thereby implementing a more precise motion.Type: ApplicationFiled: October 31, 2019Publication date: May 7, 2020Inventors: Hwan HUR, Hee-Seok KWEON, Kye-Sung LEE
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Patent number: 10281707Abstract: Provided is a solid immersion lens (SIL) holder for optical axis precision correction of a high resolution optical microscope, equipped with a SIL and an objective lens barrel equipped with a plurality of objective lenses, the SIL holder comprising: a circular flange providing in the middle of the objective lens barrel to be coupled to the SIL holder; a coupling flange formed at one end portion thereof and coupled to the circular flange; a conical tube formed at the other end portion thereof, the SIL being mounted onto a lower end portion of the conical tube, wherein the SIL holder comprises an optical axis adjusting part which adjusts such that the central axis of the SIL approaches the central axis of an objective lens, and the SIL holder comprises an extension/contraction adjusting part which allows the SIL to be very close to a measurement surface of a specimen.Type: GrantFiled: December 21, 2016Date of Patent: May 7, 2019Assignee: KOREA BASIC SCIENCE INSTITUTEInventors: Ji Yong Bae, Kye Sung Lee, Geon Hee Kim, Ki Soo Chang
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Publication number: 20190121001Abstract: Disclosed is a broadband objective lens and a method of manufacturing the objective lens. The objective lens includes a plurality of lenses, and each of the lenses includes a coating layer on which a nanopattern is formed.Type: ApplicationFiled: October 19, 2018Publication date: April 25, 2019Inventors: Ki Soo CHANG, Kye Sung LEE, Dong Uk KIM, Jung Dae KIM
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Publication number: 20190117077Abstract: Provided is a fast parallel optical coherence tomographic image generating method including dispersing light into N spectral regions ??1 through ??N sequentially from a low wavelength to a high wavelength, the light being emitted from a broadband light source of a fast parallel optical coherence tomographic image generating apparatus, N being an integer greater than or equal to “2”, splitting the light emitted from the broadband light source to be incident on a sample and a reference mirror, partitioning the sample into N image regions P1 through PN, discretely controlling a beam scanner such that the light emitted from the broadband light source is incident on the sample at a position changed by a preset distance, acquiring an interference spectral image through interference light formed in response to interference of measurement light and reference light, and generating a tomographic image of the sample using the interference spectral image.Type: ApplicationFiled: October 18, 2018Publication date: April 25, 2019Inventors: Kye Sung LEE, Ki Soo CHANG
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Patent number: 10001363Abstract: Provided is a common-path optical fiber-based handheld parallel optical coherence tomography (OCT) apparatus, including a probe configured to receive the light from a broadband light source and illuminate a measurement target, wherein the probe may include an inner space through which the light passes, a collimator configured to collimate the light incident to the inner space, a diffraction grating configured to diffract the light having passed through the collimator, a galvanometer scanner configured to reflect the light having passed through the diffraction grating, an objective lens configured to concentrate the reflected light on a focal point, and an interferer configured to acquire an interfered light by reflecting at least a portion of the light having passed through the objective lens.Type: GrantFiled: December 21, 2016Date of Patent: June 19, 2018Assignee: Korea Basic Science InstituteInventors: Kye Sung Lee, Gun Hee Kim, Hwan Hur, I Jong Kim, Ki Soo Chang
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Publication number: 20180128594Abstract: Provided is a common-path optical fiber-based handheld parallel optical coherence tomography (OCT) apparatusType: ApplicationFiled: December 21, 2016Publication date: May 10, 2018Inventors: Kye Sung LEE, Gun Hee KIM, Hwan HUR, I Jong KIM, Ki Soo CHANG
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Publication number: 20180095261Abstract: Provided is a solid immersion lens (SIL) holder for optical axis precision correction of a high resolution optical microscope, equipped with a SIL and an objective lens barrel equipped with a plurality of objective lenses, the SIL holder comprising: a circular flange providing in the middle of the objective lens barrel to be coupled to the SIL holder; a coupling flange formed at one end portion thereof and coupled to the circular flange; a conical tube formed at the other end portion thereof, the SIL being mounted onto a lower end portion of the conical tube, wherein the SIL holder comprises an optical axis adjusting part which adjusts such that the central axis of the SIL approaches the central axis of an objective lens, and the SIL holder comprises an extension/contraction adjusting part which allows the SIL to be very close to a measurement surface of a specimen.Type: ApplicationFiled: December 21, 2016Publication date: April 5, 2018Inventors: Ji Yong BAE, kye Sung LEE, Geon Hee KIM, Ki Soo CHANG
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Patent number: 9575282Abstract: Provided is an apparatus for fixing a solid immersion lens (SIL) in an optical system. The apparatus includes a first adapter; a second adapter screw-coupled to the inner surface of the first adapter and screw-coupled to the outer surface of a third adapter to pressurize a first O-ring; the third adapter screw-coupled to the inner surfaces of the second adapter and a fourth adapter; the fourth adapter screw-coupled to the outer surface of the third adapter to pressurize a second O-ring; the first and second O-rings elastically fixing an outer surface of a barrel of an infrared ray (IR) objective lens; and an SIL holder mounting the SIL onto the first adapter.Type: GrantFiled: September 13, 2013Date of Patent: February 21, 2017Assignee: KOREA BASIC SCIENCE INSTITUTEInventors: Geon Hee Kim, Ha Yeong Sung, Woo Kang Kim, Kye Sung Lee, Ki Soo Chang, Ki Ju Yee
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Publication number: 20150316741Abstract: Provided is an apparatus for fixing a solid immersion lens (SIL) in an optical system. The apparatus includes a first adapter; a second adapter screw-coupled to the inner surface of the first adapter and screw-coupled to the outer surface of a third adapter to pressurize a first O-ring; the third adapter screw-coupled to the inner surfaces of the second adapter and a fourth adapter; the fourth adapter screw-coupled to the outer surface of the third adapter to pressurize a second O-ring; the first and second O-rings elastically fixing an outer surface of a barrel of an infrared ray (IR) objective lens; and an SIL holder mounting the SIL onto the first adapter.Type: ApplicationFiled: September 13, 2013Publication date: November 5, 2015Applicant: KOREA BASIC SCIENCE INSTITUTEInventors: Geon Hee KIM, Ha Yeong SUNG, Woo Kang KIM, Kye Sung LEE, Ki Soo CHANG, Ki Ju YEE
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Patent number: 8873049Abstract: A low-cost optics, broadband, astigmatism-corrected practical spectrometer. An off-the-shelf cylindrical lens is used to remove astigmatism over the full bandwidth, providing better than 0.1 nm spectral resolution and more than 50% throughput over a bandwidth of 400 nm centered at 800 nm. The spectrometer includes a first spherical mirror disposed along an optical path in an off-axis (tilted) orientation; a diffraction grating disposed along the optical axis in a location optically downstream from the first mirror; a second spherical mirror disposed along the optical path in an off-axis orientation in a location optically downstream from the diffraction grating; a cylindrical optic disposed in the optical path; and a detector disposed in the optical path in a location optically downstream from the second spherical mirror.Type: GrantFiled: April 29, 2011Date of Patent: October 28, 2014Assignee: University of RochesterInventors: Jannick P. Rolland, Kevin P. Thompson, Kye-Sung Lee
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Publication number: 20130044313Abstract: A low-cost optics, broadband, astigmatism-corrected practical spectrometer. An off-the-shelf cylindrical lens is used to remove astigmatism over the full bandwidth, providing better than 0.1 nm spectral resolution and more than 50% through-put over a bandwidth of 400 nm centered at 800 nm. The spectrometer includes a first spherical mirror disposed along an optical path in an off-axis (tilted) orientation; a diffraction grating disposed along the optical axis in a location optically downstream from the first mirror; a second spherical mirror disposed along the optical path in an off-axis orientation in a location optically down-stream from the diffraction grating; a cylindrical optic disposed in the optical path; and a detector disposed in the optical path in a location optically downstream from the second spherical mirror.Type: ApplicationFiled: April 29, 2011Publication date: February 21, 2013Applicant: UNIVERSITY OF ROCHESTERInventors: Jannick P. Rolland, Kevin P. Thompson, Kye-Sung Lee
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Patent number: 8363225Abstract: A free-space Michelson Interferometer-based Dual Detection Frequency Domain-Optical Coherency Tomography (DD-FD-OCT) apparatus includes a non-polarizing beam splitter that can be used to misalign sample and reference beam paths to provide a stable ?/2 phase shift between simultaneously detected interfering sample and reference beams to eliminate the mirror image created by Fourier transformation during image reconstruction. A hybrid fiber system Mach Zehnder Interferometer- and free-space Michelson Interferometer-based Dual Detection Frequency Domain-Doppler Optical Coherency Tomography (DD-FD-DOCT) apparatus provides higher power efficiency and thus better sensitivity compared to the free-space DD-FD-OCT. Both DD-FD-OCT systems enable functional imaging with the contrasts of Doppler and that of polarization, in addition to full range images simultaneously.Type: GrantFiled: January 14, 2011Date of Patent: January 29, 2013Assignee: University of RochesterInventors: Jannick P. Rolland, Kye-Sung Lee, Panomsak Meemon
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Publication number: 20110170111Abstract: A free-space Michelson Interferometer-based Dual Detection Frequency Domain-Optical Coherency Tomography (DD-FD-OCT) apparatus includes a non-polarizing beam splitter that can be used to misalign sample and reference beam paths to provide a stable ?/2 phase shift between simultaneously detected interfering sample and reference beams to eliminate the mirror image created by Fourier transformation during image reconstruction. A hybrid fiber system Mach Zehnder Interferometer- and free-space Michelson Interferometer-based Dual Detection Frequency Domain-Doppler Optical Coherency Tomography (DD-FD-DOCT) apparatus provides higher power efficiency and thus better sensitivity compared to the free-space DD-FD-OCT. Both DD-FD-OCT systems enable functional imaging with the contrasts of Doppler and that of polarization, in addition to full range images simultaneously.Type: ApplicationFiled: January 14, 2011Publication date: July 14, 2011Applicant: UNIVERSITY OF ROCHESTERInventors: Jannick P. Rolland, Kye-Sung Lee, Panomsak Meemon
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Patent number: 7929582Abstract: Systems and methods of generating a tunable laser beam are disclosed. An example method includes: generating coherent optical beams from a plurality of semiconductor optical amplifiers (SOAs); combining the coherent optical beams into a combined coherent optical beam; and tuning the combined beam to a selected frequency range to output a coherent optical beam having only the selected frequency range. In some embodiments, the SOAs are arranged in parallel within a resonant cavity, and each coherent optical beam has a different center wavelength that overlaps in bandwidth with another one of the coherent optical beams.Type: GrantFiled: June 30, 2009Date of Patent: April 19, 2011Assignee: University of Central Florida Research Foundation, Inc.Inventors: Peter Delfyett, Jannick Rolland, Panomsak Meemon, Kye-Sung Lee
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Publication number: 20090323738Abstract: Systems and methods of generating a tunable laser beam are disclosed. An example method includes: generating coherent optical beams from a plurality of semiconductor optical amplifiers (SOAs); combining the coherent optical beams into a combined coherent optical beam; and tuning the combined beam to a selected frequency range to output a coherent optical beam having only the selected frequency range. In some embodiments, the SOAs are arranged in parallel within a resonant cavity, and each coherent optical beam has a different center wavelength that overlaps in bandwidth with another one of the coherent optical beams.Type: ApplicationFiled: June 30, 2009Publication date: December 31, 2009Applicant: UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATIONInventors: Peter Delfyett, Jannick Rolland, Panomsak Meemon, Kye-Sung Lee
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Publication number: 20090147373Abstract: In one embodiment, an optical probe includes a housing, and an optical system provided within the housing, the optical system having a dynamically adjustable focal length such that the optical system can be focused at different points spaced a variety of distances from the housing while the probe is in use.Type: ApplicationFiled: October 16, 2008Publication date: June 11, 2009Applicant: UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC.Inventors: Jannick Rolland, Panomsak Meemon, Kye-Sung Lee, Supraja Murali