Dr. Wonsang Hwang Profile

Dr. Wonsang Hwang

at Yonsei Univ

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 2 March 2022 Presentation

Optimal conditions for the phasor plot analysis of fluorescence lifetime data

Wonsang Hwang, Dongeun Kim, Dugyoung Kim

Proceedings Volume PC11966, PC1196603 (2022) https://doi.org/10.1117/12.2608466

KEYWORDS: Luminescence, Modulation, Photons

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Proceedings Article | 2 March 2022 Poster

Count rate determination of digital TCSPC

Dongeun Kim, Wonsang Hwang, Sucbei Moon, Dug Young Kim

Proceedings Volume PC11967, PC119670H (2022) https://doi.org/10.1117/12.2607722

KEYWORDS: Single photon, Photons, Time resolved spectroscopy, Time metrology, Temporal resolution, Photomultipliers, Electronics, Digital photography, Digital electronics

Proceedings Article | 5 March 2021 Presentation + Paper

Extended depth of focus metal-induced energy transfer imaging with multiple axially shifted images

Wonsang Hwang, Dongeun Kim, Dugyoung Kim

Proceedings Volume 11658, 1165808 (2021) https://doi.org/10.1117/12.2577339

KEYWORDS: Energy transfer, Microscopy, Confocal microscopy, Signal analysis, Optical resolution, Optical microscopes, Molecular bridges, Luminescence, Image resolution

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Proceedings Article | 5 March 2021 Poster

Fluorescence lifetime analysis and measurement in sub-100 nm gold nanoapertures

Changhun Lee, Wonsang Hwang, Dugyoung Kim, Donghyun Kim

Proceedings Volume 11658, 116580M (2021) https://doi.org/10.1117/12.2579181

KEYWORDS: Luminescence, Gold, Metals, Energy transfer, Nanolithography, MATLAB, Ion beams, Electron beam lithography, Diffraction, Custom fabrication

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Proceedings Article | 5 March 2021 Presentation + Paper

Phasor approach for Fluorescence Anisotropy

Dongeun Kim, Wonsang Hwang, Dug Young Kim

Proceedings Volume 11650, 116500D (2021) https://doi.org/10.1117/12.2577925

KEYWORDS: Microscopy, Fluorescence anisotropy, Luminescence, Polarization, Fluorescence resonance energy transfer, Fluorescence lifetime imaging, Diffusion, Anisotropy, Visualization, Visual analytics

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Proceedings Article | 22 February 2019 Presentation + Paper

Enhancement of performance in time-domain FLIM with GaAsP hybrid detectors

Dongeun Kim, Wonsang Hwang, Youngjae Won, Sucbei Moon, Sang Yoon Lee, Mingu Kang, Won Sub Han, Dug Young Kim

Proceedings Volume 10882, 108821J (2019) https://doi.org/10.1117/12.2510959

KEYWORDS: Fluorescence lifetime imaging, Sensors, Luminescence, Photodetectors, Signal detection, Monte Carlo methods, Single photon, Analog electronics, Physics, Temporal resolution

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Proceedings Article | 22 February 2019 Presentation + Paper

Phasor plot analysis using low pass filter for high-speed FLIM

Dongeun Kim, Wonsang Hwang, Youngjae Won, Sucbei Moon, Sang Yoon Lee, Mingu Kang, Won Sub Han, Dug Young Kim

Proceedings Volume 10884, 108840P (2019) https://doi.org/10.1117/12.2509325

KEYWORDS: Linear filtering, Luminescence, Fluorescence lifetime imaging, Modulation, Distortion, Deconvolution, Physics

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Proceedings Article | 22 February 2019 Presentation + Paper

Analog mean-delay method: a new time-domain super-resolution technique for accurate fluorescence lifetime measurement

Dug Young Kim, Wonsang Hwang, Dong Eun Kim, Youngjae Won, Sucbei Moon, Sang Yoon Lee, Min Gu Kang, Won Sub Han

Proceedings Volume 10884, 108840D (2019) https://doi.org/10.1117/12.2510937

KEYWORDS: Luminescence, Fluorescence lifetime imaging, Analog electronics, Signal processing, Signal detection, Super resolution, Photodetectors, Convolution, Microscopy, Fluorescence resonance energy transfer

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Proceedings Article | 23 February 2018 Paper

Enhancement of measurement speed and photon economy in multiphoton detected fluorescence lifetime imaging microscopy

Dongeun Kim, Wonsang Hwang, Youngjae Won, Sucbei Moon, Dug Young Kim

Proceedings Volume 10498, 104982G (2018) https://doi.org/10.1117/12.2290059

KEYWORDS: Fluorescence lifetime imaging, Photodetectors, Luminescence, Fluorescence spectroscopy, Microscopy, Analog electronics, Monte Carlo methods, Confocal microscopy

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Proceedings Article | 20 February 2018 Paper

Fluorescence lifetime microscopy for monitoring cell adhesion using metal induced energy transfer

Wonsang Hwang, JinWon Seo, Jun ho Song, DongEun Kim, YoungJae Won, In-Hong Choi, Kyung-Hwa Yoo, Dug Young Kim

Proceedings Volume 10497, 104970E (2018) https://doi.org/10.1117/12.2289330

KEYWORDS: Luminescence, Objectives, Metals, Fluorescence lifetime imaging, Deconvolution, Microscopy, Energy transfer, Confocal microscopy, Statistical analysis, Physics

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Proceedings Article | 6 April 2017 Paper

Off-axis self-interference incoherent digital holographic microscopy

Philjun Jeon, Heejung Lee, Byunghwy So, Wonsang Hwang, Yoonsung Bae, Dugyoung Kim

Proceedings Volume 10127, 101270O (2017) https://doi.org/10.1117/12.2251760

KEYWORDS: Holography, Luminescence, Digital holography, Microscopy, 3D image processing, Imaging systems, Mirrors, Holograms, Stereoscopy, Coherence (optics), 3D image reconstruction, Light emitting diodes, Image filtering

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Proceedings Article | 22 February 2017 Paper

The effect of bit number and sampling rate of a digitizer on least-square multi exponential decay analysis in fluorescence lifetime imaging

Won Sang Hwang, Dong Eun Kim, Jun Woo Kim, Youn Young Ji, Byung Hwy So, Dug Young Kim

Proceedings Volume 10076, 100761H (2017) https://doi.org/10.1117/12.2250730

KEYWORDS: Fluorescence lifetime imaging, Luminescence, Analog electronics, Deconvolution, Microscopy, Time correlated photon counting, Single photon, Numerical simulations, Sensors, Temporal resolution, Monte Carlo methods, Computer simulations, Fourier transforms, Quantization, Data processing, Physics

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Proceedings Article | 17 February 2017 Paper

Accurate time-domain angular jitter measurements for a high-speed polygon scanner

Youn Young Ji, Byung Hwy So, Won Sang Hwang, Don Geun Kim, Jun Woo Kim, Dug Young Kim

Proceedings Volume 10070, 1007010 (2017) https://doi.org/10.1117/12.2253398

KEYWORDS: Mirrors, Polygon scanners, Confocal microscopy, Laser scanners, Microscopy, Scanners, Laser systems engineering, Calibration, Precision measurement, Measurement devices, Photomultipliers, Sensors, Computer programming, Filtering (signal processing)

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Showing 5 of 13 publications

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