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公开(公告)号：US11300454B2
公开(公告)日：2022-04-12
申请号：US15733806
申请日：2019-05-22
Applicant: KOREA BASIC SCIENCE INSTITUTE
Inventor： Dong Uk Kim , Ki Soo Chang
Abstract: Disclosed are a multi-mode thermal imaging device and an operation method thereof. According to an embodiment of the present invention, in a first mode, a first sample is scanned with an optical signal from a light source, signals reflected from the first sample by the scanning are detected separately for each wavelength, a reflectance change spectrum according to the wavelength is derived on the basis of the signals detected separately for each wavelength, a wavelength is selected on the basis of the derived reflectance change spectrum, and a thermal image of the first sample is obtained, through a filter, by detecting an optical signal limited to the selected wavelength from among the signals reflected from the first sample. In a second mode, thermal radiation of a second sample is detected to obtain a thermal image of the second sample.
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2.发明授权公开(公告)号：US11061170B2
公开(公告)日：2021-07-13
申请号：US16164925
申请日：2018-10-19
Applicant: Korea Basic Science Institute
Inventor： Ki Soo Chang , Kye Sung Lee , Dong Uk Kim , Jung Dae Kim
Abstract: 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.
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公开(公告)号：US10761309B2
公开(公告)日：2020-09-01
申请号：US16659655
申请日：2019-10-22
Applicant: KOREA BASIC SCIENCE INSTITUTE
Inventor： Dong Uk Kim , Ki Soo Chang
Abstract: Disclosed is a laser scanning based microscope apparatus including a light source configured to output a laser signal, a scanning unit configured to scan a heating sample with a first laser signal corresponding to a portion of the output laser signal, and output an optical signal reflected from the sample by the scanning to a first detector, the first detector configured to generate a first electrical signal through the reflected optical signal, a second detector configured to generate a second electrical signal through a second laser signal corresponding to a remaining portion of the output laser signal, and a controller configured to acquire a thermal image of the sample by performing a frequency domain analysis based on the first electrical signal and a differential electrical signal.
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Patent Agency Ranking
公开(公告)号：US20200150413A1
公开(公告)日：2020-05-14
申请号：US16659655
申请日：2019-10-22
Applicant: KOREA BASIC SCIENCE INSTITUTE
Inventor： Dong Uk Kim , Ki Soo Chang
Abstract: Disclosed is a laser scanning based microscope apparatus including a light source configured to output a laser signal, a scanning unit configured to scan a heating sample with a first laser signal corresponding to a portion of the output laser signal, and output an optical signal reflected from the sample by the scanning to a first detector, the first detector configured to generate a first electrical signal through the reflected optical signal, a second detector configured to generate a second electrical signal through a second laser signal corresponding to a remaining portion of the output laser signal, and a controller configured to acquire a thermal image of the sample by performing a frequency domain analysis based on the first electrical signal and a differential electrical signal.
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公开(公告)号：US20250012747A1
公开(公告)日：2025-01-09
申请号：US18711550
申请日：2022-11-03
Applicant: KOREA BASIC SCIENCE INSTITUTE
Inventor： Dong Uk Kim , Ki Soo Chang , Chan Bae Jeong , II Kyu Han
Abstract: A device and a method for measuring a time-resolved thermal image. An embodiment comprises an optical imaging unit comprising a camera and a probe light source, the optical imaging unit emitting a probe optical signal from the probe light source to a sample during a time-resolution time; a control unit for outputting a first trigger signal to the camera, outputting a driving signal to the probe light source such that the probe light source emits the probe light source to the sample during the time-resolution time, outputting a second trigger signal to a bias unit in an turn-on interval, and outputting no second trigger signal to the bias unit in a turn-off interval; and a bias unit for applying a bias signal generated on the basis of the second trigger signal in the turn-on interval to the sample, and applying no bias signal to the sample in the turn-off interval.
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公开(公告)号：US10139284B2
公开(公告)日：2018-11-27
申请号：US15508357
申请日：2015-08-24
Applicant: Korea Basic Science Institute
Inventor： Ki Soo Chang , Dong Uk Kim
IPC: G01J5/10 , G06K9/46 , G06K9/74 , H04N5/33 , H04N5/349 , H04N5/355 , H04N5/365 , G01K11/12 , G01J5/00
Abstract: Disclosed is a temperature distribution measuring device for measuring the temperature distribution or the heat generation distribution in a sample. An embodiment collects a reflection signal the reflectivity of which changes on the basis of a bias signal applied to a sample, detects a signal of interest, which has been reflected from a region of interest in the sample, from the reflected signal, converts the signal of interest to a frequency range signal, calculates the relative amount of change in reflectivity of the sample by using a direct current component extracted on the basis of filtering of the frequency range signal and a frequency component of the bias signal, and acquires a thermal image of the sample on the basis of the relative amount of change in reflectivity.
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公开(公告)号：US10386299B2
公开(公告)日：2019-08-20
申请号：US15660166
申请日：2017-07-26
Applicant: KOREA BASIC SCIENCE INSTITUTE
Inventor： Dong Uk Kim , Ki Soo Chang , Geon Hee Kim , Joo Ran Lee
Abstract: Provided is a fluorescence image acquisition apparatus for acquiring fluorescence images and phase images using optical signals that are modulated at the same frequency and that have different time delays. The fluorescence image acquisition apparatus may include a light source configured to generate, at different time delays, a plurality of optical signals that are modulated at the same frequency, an illuminator configured to control paths of the plurality of modulated optical signals so that the plurality of modulated optical signals are illuminated onto a sample including a plurality of fluorescent materials, a photodetector configured to detect a plurality of fluorescence signals that are emitted from the plurality of fluorescent materials, respectively, and a controller configured to acquire a plurality of fluorescence images and a plurality of phase images from the plurality of detected fluorescence signals.
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公开(公告)号：US20180217064A1
公开(公告)日：2018-08-02
申请号：US15660166
申请日：2017-07-26
Applicant: KOREA BASIC SCIENCE INSTITUTE
Inventor： Dong Uk Kim , Ki Soo Chang , Geon Hee Kim , Joo Ran Lee
CPC classification number: G01N21/6456 , G01N21/6458 , G01N2021/6419 , G01N2021/6421 , G01N2201/0691 , G01N2201/12 , G06T5/002 , G06T5/20 , G06T2207/10064 , G06T2207/10152 , G06T2207/20024
Abstract: Provided is a fluorescence image acquisition apparatus for acquiring fluorescence images and phase images using optical signals that are modulated at the same frequency and that have different time delays. The fluorescence image acquisition apparatus may include a light source configured to generate, at different time delays, a plurality of optical signals that are modulated at the same frequency, an illuminator configured to control paths of the plurality of modulated optical signals so that the plurality of modulated optical signals are illuminated onto a sample including a plurality of fluorescent materials, a photodetector configured to detect a plurality of fluorescence signals that are emitted from the plurality of fluorescent materials, respectively, and a controller configured to acquire a plurality of fluorescence images and a plurality of phase images from the plurality of detected fluorescence signals.
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