Zobrazeno 1 - 10
of 247
pro vyhledávání: '"Lee, ChangHwan"'
Autor:
Fardian-Melamed, Natalie, Skripka, Artiom, Lee, Changhwan, Ursprung, Benedikt, Darlington, Thomas P., Teitelboim, Ayelet, Qi, Xiao, Wang, Maoji, Gerton, Jordan M., Cohen, Bruce E., Chan, Emory M., Schuck, P. James
Mechanical force is an essential feature for many physical and biological processes.1-12 Remote measurement of mechanical signals with high sensitivity and spatial resolution is needed for diverse applications, including robotics,13 biophysics,14-20
Externí odkaz:
http://arxiv.org/abs/2404.02026
Autor:
Skripka, Artiom, Lee, Minji, Qi, Xiao, Pan, Jia-Ahn, Yang, Haoran, Lee, Changhwan, Schuck, P. James, Cohen, Bruce E., Jaque, Daniel, Chan, Emory M.
Photon avalanching nanoparticles (ANPs) exhibit extremely nonlinear upconverted emission valuable for sub-diffraction imaging, nanoscale sensing, and optical computing. Avalanching has been demonstrated with Tm3+, Nd3+ or Pr3+-doped nanocrystals, but
Externí odkaz:
http://arxiv.org/abs/2306.06200
Autor:
Lee, Changhwan
Photon avalanching (PA), one of the more unique nonlinear optical processes due to its combination of efficiency and extreme response, first attracted attention from the optics community more than four decades ago. But interest waned as researchers f
Autor:
Lee, Changhwan, Xu, Emma Z., Kwock, Kevin W. C., Teitelboim, Ayelet, Liu, Yawei, Fardian-Melamed, Natalie, Pedroso, Cassio C. S., Park, Hye Sun, Kim, Jongwoo, Pritzl, Stefanie D., Nam, Sang Hwan, Lohmueller, Theobald, Ercius, Peter, Suh, Yung Doug, Cohen, Bruce E, Chan, Emory M, Schuck, P. James
Materials whose luminescence can be switched by optical stimulation drive technologies ranging from superresolution imaging1-4, nanophotonics5, and optical data storage6-8, to targeted pharmacology, optogenetics, and chemical reactivity9. These photo
Externí odkaz:
http://arxiv.org/abs/2209.06098
Despite the success of deep learning in computer vision, algorithms to recognize subtle and small objects (or regions) is still challenging. For example, recognizing a baseball or a frisbee on a ground scene or a bone fracture in an X-ray image can e
Externí odkaz:
http://arxiv.org/abs/2111.13233
Recent advances in microscopy enable three-dimensional live imaging at a high resolution. Long-term live imaging of a multicellular organism requires immobilization of the organism under stable physiological conditions. Despite proper immobilization,
Externí odkaz:
http://arxiv.org/abs/2111.03988
Publikováno v:
In Neuropsychologia 4 July 2024 199
Autor:
Lee, Changhwan, Xu, Emma, Liu, Yawei, Teitelboim, Ayelet, Yao, Kaiyuan, Fernandez-Bravo, Angel, Kotulska, Agata, Nam, Sang Hwan, Suh, Yung Doug, Bednarkiewicz, Artur, Cohen, Bruce E., Chan, Emory M., Schuck, P. James
Avalanche phenomena leverage steeply nonlinear dynamics to generate disproportionately high responses from small perturbations and are found in a multitude of events and materials, enabling technologies including optical phase-conjugate imaging, infr
Externí odkaz:
http://arxiv.org/abs/2007.10551
Autor:
Trovatello, Chiara, Marini, Andrea, Xu, Xinyi, Lee, Changhwan, Liu, Fang, Curreli, Nicola, Manzoni, Cristian, Conte, Stefano Dal, Yao, Kaiyuan, Ciattoni, Alessandro, Hone, James, Zhu, Xiaoyang, Schuck, P. James, Cerullo, Giulio
Optical parametric amplification is a second-order nonlinear process whereby an optical signal is amplified by a pump via the generation of an idler field. It is the key ingredient of tunable sources of radiation that play an important role in severa
Externí odkaz:
http://arxiv.org/abs/1912.10466
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