PUBLICATIONS

PUBLICATIONS

Thi Van Anh Nguyen, Munkyu Kang, Dinh Hoang Tran, Tran Thinh Le, Youngwoon Choi *, and Wonshik Choi *, "Object function retrieval by model-based optimization in Fourier holographic endoscopy", ACS Photonics 11, 385 (2024). DOI: https://doi.org/10.1021/acsphotonics.3c01100 

Yong Guk Kang, Kwanjun Park, Min Gyu Hyeon, Taeseok Daniel Yang, and Youngwoon Choi *, "Three-dimensional imaging in reflection phase microscopy with minimal axial scanning", Optics Express 31, 44741 (2023). DOI: https://doi.org/10.1364/OE.510519

Munkyu Kang, Wonjun Choi, Wonshik Choi*, and Youngwoon Choi*, "Fourier holographic endoscopy for imaging continuously moving objects", Optics Express 31, 11705 (2023). DOI: https://doi.org/10.1364/OE.482923

Wonjun Choi, Munkyu Kang, Jin Hee Hong, Ori Katz, Byunghak Lee, Guang Hoon Kim, Youngwoon Choi* and Wonshik Choi*, "Flexible-type ultrathin holographic endoscope for microscopic imaging of unstained biological tissues", Nature Communications 13, 4469 (2022). DOI: https://doi.org/10.1038/s41467-022-32114-5   

Hanh Hong Mai*, Van Huy Hoang, Manh Quynh Luu, Trong Tam Nguyen, Hoang Nam Ngyen, Do Xuan Tien, Giang Manh Khoi, Toan T Nguyen, Youngwoon Choi, Wonshik Choi, and Van Duong Ta, "Magnetic nanoparticles embedded in microlasers for controlled transport in different sensing media", Journal of Physics D: Applied Physics 55, 405106 (2022). DOI: https://doi.org/10.1088/1361-6463/ac835f

Hanh Hong Mai*, Trong Tam Nguyen, Tien Thinh Nguyen, Thanh Thuy To, Toan T Nguyen, Youngwoon Choi, Wonshik Choi, and Van Duong Ta, "Random lasers from the natural inverse photonic glass structure of Artemia eggshells", Journal of Physics D: Applied Physics 55, 295104 (2022). DOI: https://doi.org/10.1088/1361-6463/ac6a25 

Dowon Lee, Myunghun Kim, Jungsoo Hong, Taeguy Ha, Junwoo Kim, Sungsam Kang, Youngwoon Choi, Kyungwon An, and MoonJoo Lee*, "Precise and extensive characterization of an optical resonator for cavity-based quantum networks", Optics Continuum 1, 603 (2022). DOI: https://doi.org/10.1364/OPTCON.450451

Kwanjun Park, Taedong Kong, Taeseok Daniel Yang, and Youngwoon Choi*, "Measurement of multiple phase maps for wide-area aberration correction by switchable optical configuration", Optics Express 29, 41894 (2021).

Min Gyu Hyeon, Kwanjun Park, Taeseok Daniel Yang, Taedong Kong, Beop-Min Kim*,  and Youngwoon Choi*, "The effect of pupil transmittance on axial resolution of reflection phase microscopy", Scientific Reports 11, 22774 (2021).

Munkyu Kang, Sungsoo Woo, Wonjun Choi, Pilsung Kang, Tran Dinh Hoang, Jungsik Koo*, Youngwoon Choi*, and Wonshik Choi, "Single-shot multiple-depth macroscopic imaging by spatial frequency multiplexing", Optics Express 29, 34360 (2021).

Junwoo Kim, Keumhyun Kim, Dowon Lee, Yongha Shin, Sunsam Kang, Jung-Ryul Kim, Youngwoon Choi, Kyungwon An, and Moonjoo Lee*, “Locking multi-frequencies to precision wavelength meter: application to cold atoms”, Sensors 21, 6225 (2021). 

Kwanjun Park, Taeseok Daniel Yang, Dongkwon Seo, Min Gyu Hyeon, Taedong Kong, Beop-Min Kim, Yeonho Choi, Wonshik Choi, and Youngwoon Choi*, "Jones matrix microscopy for living eukaryotic cells", ACS Photonics 8, 3042-3050 (2021).

Nu-Ri Im, Taeseok Daniel Yang, Kwanjun Park, Jang-Hoon Lee, Jonghwan Lee, Yoon Hyuck Kim, Jae-Seung Lee, Byoungjae Kim, Kwang-Yoon Jung, Youngwoon Choi*, Seung-Kuk Baek*, "Application of M1 macrophage as a live vector in delivering nanoparticles for in vivo photothermal treatment", Journal of Advanced Research (2021).

Kwanjun Park, June Hoan Kim, Taedong Kong, Woong Sun, Jonghwan Lee, Taeseok Daniel Yang*, and Youngwoon Choi*, "Label-free microendoscopy using a micro-needle imaging probe for in vivo deep tissue imaging", Biomedical Optics Express 11, 4976 (2020). 

Seokchan Yoon, Moonseok Kim, Mooseok Jang, Youngwoon Choi, Wonjun Choi, Sunsam Kang, and Wonshik Choi*, "Deep optical imaging within complex scattering media", Nature Review Physics 2, 141-158 (2020).  DOI: https://doi.org/10.1038/s42254-019-0143-2

Taeseok Daniel Yang, Kwanjun Park, Jin-Sung Park, Jang-Hoon Lee, Eunpyo Choi, Jonghwan Lee, Wonshik Choi, Youngwoon Choi*, Kyoung J. Lee*, “Two distinct actin waves correlated with turns-and-runs of crawling microglia”, PloS One 14, e0220810 (2019).

Min Gyu Hyeon, Taeseok Daniel Yang, Jin-Sung Park, Kwanjun Park, Yong Guk Kang, Beop-Min Kim*, and Youngwoon Choi*, “Reflection phase microscopy by successive accumulation of interferograms”, ACS Photonics 6, 757-766 (2019).

Kwanjun Park, Taeseok Daniel Yang, Hyung-Jin Kim, Taedong Kong, Jung Min Lee, Hyuk Soon Choi, Hoon Jai Chun, Beop-Min Kim, and Youngwoon Choi*, “Inversion-free image recovery from strong aberration using a minimally sampled transmission matrix”, Scientific Reports 9, 1206 (2019).

Youngwoon Choi*, Poorya Hosseini, Jeon Woong Kang, Sungsam Kang, Taeseok D. Yang, Min Gyu Hyeon, Beop-Min Kim, Peter T. C. So, and Zahid Yaqoob, “Reflection phase microscopy using spatio-temporal coherence of light”, Optica 5, 1468 (2018).

Yong Guk Kang, Hwanseok Jang, Taeseok D. Yang, Jacob Notbohm, Youngwoon Choi, Yongdoo Park*, and Beop-Min Kim*, "Quantification of focal adhesion dynamics of cell movement based on cell-induced collagen matrix deformation using second-harmonic generation microscopy", Journal of Biomedical Optics 23, 065001 (2018).

Hyung-Jin Kim, Minji Kim, Min Gyu Hyeon, Youngwoon Choi, and Beop-Min Kim*, “Full ocular biometry through dual-depth whole-eye optical coherence tomography”, Biomedical Optics Express 9, 360 (2018).

Sungsoo Woo, Munkyu Kang, Changhyeong Yoon, Taeseok D. Yang, Youngwoon Choi*, and Wonshik Choi*, “Three-dimensional imaging of macroscopic objects hidden behind scattering media using time-gated aperture synthesis”, Optics Express 26, 32722 (2017).

Changhyeoung Yoon, Munkyu Kang, Jin H. Hong, Taeseok D. Yang, Jingchao Xing, Hongki Yoo, Youngwoon Choi*, and Wonsik Choi*, “Removal of back-reflection noise at ultrathin imaging probes by the single-core illumination and wide-field detection”, Scientific Reports 7, 6524 (2017).

Taeseok Daniel Yang, Kwanjun Park, Hyung-Jin Kim, Nu-Ri Im, Byoungjae Kim, TaeHoon Kim, Sohyun Seo, Jae-Seung Lee, Beop-Min Kim, Youngwoon Choi*, Seung-Kuk Baek*, “In vivo photothermal treatment with real-time monitoring by optical fiber-needle array”, Biomedical Optics Express 8, 3482 (2017).

Taeseok Daniel Yang, Kwanjun Park, Yong Guk Kang, Kyoung J. Lee, Beop-Min Kim, and Youngwoon Choi*, “Single-shot digital holographic microscopy for quantifying a spatially-resolved Jones matrix of biological specimens”, Optics Express 24, 29302 (2016).

Hyung-Jin Kim, Pil Un Kim, Min Gyu Hyeon, Youngwoon Choi, Jeehyun Kim, and Beop-Min Kim, “High-resolution, dual-depth spectral-domain optical coherence tomography with interlaced detection for whole-eye imaging”, Applied Optics 55, 7212 (2016).

Poorya Hosseini, Sabia Z. Abidi, E Du, Dimitrios P. Papageorgiou, Youngwoon Choi, YongKeun Park, John M. Higgins, Gregory J. Kato, Subra Suresh, Ming Dao, Zahid Yaqoob, and Peter T. C. So, “ Cellular normoxic biophysical markers of hydroxyurea treatment in sickle cell disease”, Proc. Natl. Acad. Sci. USA 113, 9527 (2016).

Taeseok Daniel Yang, Hyung-Jin Kim, Kyoung J. Lee, Beop-Min Kim, and Youngwoon Choi*, “Single-shot and phase-shifting digital holographic microscopy using a 2-D grating”, Optics Express 24, 9480 (2016).

Poorya Hosseini, Yongjin Sung, Youngwoon Choi, Niyom Lue, Zahid Yaqoob, and Peter So, “Scanning color optical tomography (SCOT)”, Optics Express 23, 240439 (2015).

Moonseok Kim, Wonjun Choi, Youngwoon Choi, Changhyeong Yoon, and Wonshik Choi, “Transmission matrix of a scattering medium and its applications in biophotonics”, Optics Express 23, 12648 (2015).


PRIOR PUBLICATIONS

Kyoohyun Kim, Zahid Yaqoob, KyeoReh Lee, Jeon Woong Kang, Youngwoon Choi, Poorya Hosseini, Peter T. C. So, and YongKeun Park, “Diffraction optical tomography using a quantitative phase imaging unit”, Optics Letters 39, 6935 (2014).

Kenji Katayama, Youngwoon Choi, Jeon Woong Kang, Zahid Yaqoob, Peter T. C. So, Tomomi Fujii, Shota Kuwahara, Kiyohide Takado, and Tomiki Ikeda, “Depth-selective microscopic observation of a photomobile liquid crystal polymer under UV illumination”, Physical Chemistry Chemical Physics 16, 27074-27077 (2014).

 Youngwoon Choi*, Poorya Hosseini, Wonshik Choi, Ramachandra R. Dasari, Peter T. C. So, and Zahid Yaqoob, “Dynamic speckle illumination wide-field reflection phase microscopy”, Optics Letters 39, 6062 (2014).

Youngwoon Choi, Changhyeong Yoon, Moonseok Kim, Wonjun Choi, and Wonshik Choi, “Optical imaging with the use of a scattering lens”, IEEE Journal of Selected Topics in Quantum Electronics 20, 6800213 (2014).

Youngwoon Choi, Timothy R. Hillman, Wonjun Choi, Niyom Lue, Ramachandra. R. Dasari, Peter T. C. So, Wonshik Choi, and Zahid Yaqoob, “Measurement of the time-resolved reflection matrix for enhancing light energy delivery into a scattering medium”, Physical Review Letters 111, 243901 (2013).

Youngwoon Choi, Changhyeong Yoon, Moonseok Kim, Juhee Yang, and Wonshik Choi, “Disorder-mediated enhancement of fiber numerical aperture”, Optics Letters 38, 2253 (2013).

Youngwoon Choi, Changhyeong Yoon, Moonseok Kim, Taeseok Daniel Yang, Christopher Fang-Yen, Ramachandra R. Dasari, Kyoung Jin Lee, and Wonshik Choi, “Scanner-free and wide-field endoscopic imaging by using a single multimode optical fiber”, Physical Review Letters 109, 203901 (2012).

Changhyeong Yoon, Youngwoon Choi, Moonseok Kim, Jungho Moon, Donggyu Kim, and Wonshik Choi, “Experimental measurement of the number of modes for a multimode optical fiber”, Optics Letters 37, 4558 (2012).

Moonseok Kim, Youngwoon Choi, Changhyeong Yoon, Wonjun Choi, Jaisoon Kim, Q-Han Park, and Wonshik Choi, “Maximal energy transport through disordered media with the implementation of transmission eigenchannels”, Nature Photonics 6, 581 (2012).

Moonseok Kim, Youngwoon Choi, Christopher Fang-Yen, Yongjin Sung, Kwanhyung Kim, Ramachandra R. Dasari, Michael S. Feld, and Wonshik Choi, “Three-dimensional differential interference contrast microscopy using synthetic aperture imaging”, Journal of Biomedical Optics 17, 026003 (2012).

Youngwoon Choi, Moonseok Kim, Changhyeong Yoon, Taeseok Daniel Yang, Kyoung Jin Lee, and Wonshik Choi, “Synthetic aperture microscopy for high resolution imaging through a turbid medium”, Optics Letters 36, 4263 (2011).

Youngwoon Choi, Taeseok Daniel Yang, Christopher Fang-Yen, Pilsung Kang, Kyoung Jin Lee, Ramachandra R. Dasari, Michael S. Feld, and Wonshik Choi, “Overcoming the Diffraction Limit Using Multiple Light Scattering in a Highly Disordered Medium”, Physical Review Letters 107, 023902 (2011).

Youngwoon Choi, Taeseok Daniel Yang, Kyoung Jin Lee, and Wonshik Choi, “Full-field and single-shot quantitative phase microscopy using dynamic speckle illumination”, Optics Letters 36, 2465 (2011).

Taeseok Daniel Yang, Jin-Sung Park, Youngwoon Choi, Wonshik Choi, Tae-wook Ko, Kyoung Jin Lee, “Zigzag Turning Preference of Freely Crawling Cells”, PloS ONE 6, e20255 (2011).

Moonseok Kim, Youngwoon Choi, Christopher Fang-Yen, Yongjin Sung, Ramachandra R. Dasari, Michael S. Feld, and Wonshik Choi, “High-speed synthetic aperture microscopy for live cell imaging”, Optics Letters 36, 148 (2011).

Wookrae Kim, Changwon Park, Jung-Ryul Kim, Youngwoon Choi, Sungsam Kang, Sooin Lim, Yea-Lee Lee, Jisoon Ihm, and Kyungwon An, “Tunneling-Induced Spectral Broadening of a Single Atom in a Three-Dimensional Optical Lattice”, Nano Letters 11, 729 (2011).

Sungsam Kang, Youngwoon Choi, Sooin Lim, Wookrae Kim, Jung-Ryul Kim, Jai-Hyung Lee, and Kyungwon An, "Continuous control of the coupling constant in an atom-cavity system by using elliptic polarization and magnetic sublevels", Optics Express 18, 9286 (2010).

Youngwoon Choi, Sungsam Kang, Sooin Lim, Wookrae Kim, Jung-Ryul Kim, Jai-Hyung Lee, and Kyungwon An, "Quasieigenstate Coalescence in an Atom-Cavity Quantum Composite", Physical Review Letters 104, 153601 (2010).

Seokchan Yoon, Youngwoon Choi, Sangbum Park, Wangxi Ji, Jai-Hyung Lee, and Kyungwon An, "Characteristics of single-atom trapping in a magneto-optical trap with a high magnetic-field gradient", Journal of Physics: Conference Series 80, 012046 (2007).

Youngwoon Choi, Seokchan Yoon, Sungsam Kang, Wookrae Kim, Jai-Hyung Lee, and Kyungwon An, ''Direct measurement of loading and loss rates in a magneto-optical trap with atom-number feedback'', Physical Review A 76, 013402 (2007).

Sungsam Kang, Seokchan Yoon, Youngwoon Choi, Jai-Hyung Lee, and Kyungwon An, ''Dependence of fluorescence-level statistics on bin-time size in a few-atom magneto-optical trap'', Physical Review A, 74, 013409 (2006).

Seokchan Yoon, Youngwoon Choi, Sangbum Park, Jaisoon Kim, Jai-Hyung Lee, and Kyungwon An, "A definitive number of atoms on demand: controlling the number of atoms in a-few-atom magneto-optical trap", Applied Physics Letters 88, 211104 (2006).

Myung-Kyu Oh, Wonshik Choi, Jin-Ho Jeon, Moonjoo Lee, Youngwoon Choi, Sangbum Park, Jai-Hyung Lee, and Kyungwon An, "Measurement of hyperfine structures and isotope shifts in 4f55d6s2 and 4f66s6p of Sm I", Spectrochimica Acta Part B, 59, 1919 (2004).

BOOK CHAPTER

PATENTS

Scanner-free single fiber microendoscope and imaging method using the same

Holographic microscope system

Medical light irradiation and monitoring equipment

Reflection phase microscopy