Prof. Tongcang Li Profile

Prof. Tongcang Li

Associate Professor at Purdue Univ

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Author

Publications (11)

Proceedings Article | 5 October 2023 Poster

Levitation and quantum control of a fast nanodiamond rotor in high vacuum

Kunhong Shen, Yuanbin Jin, Xingyu Gao, Peng Ju, Tongcang Li

Proceedings Volume PC12649, PC126491N (2023) https://doi.org/10.1117/12.2676771

KEYWORDS: Diamond, Vacuum, Nanodiamonds, Ions, Particles, Thermography, Photons, Optical tweezers, Microwave radiation, Magnetism

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Proceedings Article | 5 October 2023 Presentation

GHz rotation and sensing with an optically levitated nanodumbbell near a surface

Peng Ju, Yuanbin Jin, Kunhong Shen, Yao Duan, Zhujing Xu, Xingyu Gao, Alejandro Grine, Xinjie Ni, Tongcang Li

Proceedings Volume PC12649, PC126490M (2023) https://doi.org/10.1117/12.2676898

KEYWORDS: Near field optics, Quantum sensing, Optical surfaces, Vacuum, Optical sensing, Quantum probes, Silica, Sapphire, Quantum detection, Numerical simulations

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Proceedings Article | 3 October 2022 Presentation

Optical levitation with a metasurface lens

Tongcang Li

Proceedings Volume PC12198, PC121980I (2022) https://doi.org/10.1117/12.2635921

KEYWORDS: Nanoparticles, Silica, Sensors, Sensing systems, Scanning probe microscopes, Precision measurement, Nanotechnology, Nanolithography, Diffraction

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Proceedings Article | 9 March 2022 Presentation

Plasmonic enhanced quantum sensing with spin qubits in a 2D material

Tongcang Li

Proceedings Volume PC12016, PC120163G (2022) https://doi.org/10.1117/12.2616912

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Proceedings Article | 1 August 2021 Presentation

5D cooling and torque detection with optically levitated nanoparticles

Tongcang Li

Proceedings Volume 11798, 1179816 (2021) https://doi.org/10.1117/12.2595487

KEYWORDS: Quantum optics, Nanoparticles, Sensors, Particles, Silica, Quantum mechanics, Nonlinear dynamics, Nanotechnology, Nanophotonics, Mechanical sensors

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Proceedings Article | 5 March 2021 Presentation

Ultrasensitive optical-tweezer torque detection and Casimir effects

Tongcang Li

Proceedings Volume 11700, 1170013 (2021) https://doi.org/10.1117/12.2586802

KEYWORDS: Nanoparticles, Strontium, Physics, Optical tweezers, Optical biology, Nanotechnology, Nanophotonics, Magneto-optics, Lithium, Biomedical optics

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Proceedings Article | 27 March 2020 Presentation

Laser-driven GHz rotation and ultrasensitive torque detection (Conference Presentation)

Tongcang Li

Proceedings Volume 11296, 1129625 (2020) https://doi.org/10.1117/12.2552692

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Proceedings Article | 9 September 2019 Presentation

Torsional optomechanics and GHz rotation of an optically levitated nanoparticle in vacuum (Conference Presentation)

Tongcang Li

Proceedings Volume 11083, 1108319 (2019) https://doi.org/10.1117/12.2528245

KEYWORDS: Nanoparticles, Optomechanical design, Quantum optics, Thermography, Precision measurement, Thermodynamics, Quantum mechanics, Silica, Light-matter interactions

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Proceedings Article | 17 September 2018 Presentation

Experimental test of the differential fluctuation theorem and realization of the Feynman’s ratchet with an optically trapped nanosphere (Conference Presentation)

Tongcang Li

Proceedings Volume 10723, 107230B (2018) https://doi.org/10.1117/12.2325059

KEYWORDS: Optical tweezers, Thermodynamics, Physics, Biology, Chemistry, Control systems, Particles, Optical arrays, Feedback control

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Proceedings Article | 9 March 2015 Paper

Resolving power in direct oblique plane imaging

Jeongmin Kim, Tongcang Li, Yuan Wang, Xiang Zhang

Proceedings Volume 9330, 93300E (2015) https://doi.org/10.1117/12.2078008

KEYWORDS: Point spread functions, Optical transfer functions, Imaging systems, 3D image processing, Objectives, Mirrors, Diffraction, Spectral resolution, Microscopy, 3D acquisition

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Proceedings Article | 10 October 2012 Paper

Optical trapping and cooling of glass microspheres

Mark Raizen, Simon Kheifets, Tongcang Li

Proceedings Volume 8458, 84580B (2012) https://doi.org/10.1117/12.928885

KEYWORDS: Particles, Optical tweezers, Motion measurement, Sensors, Velocity measurements, Silica, Temperature metrology, Glasses, Mechanics, Feedback control

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Showing 5 of 11 publications

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