Prof. Qiang Liu Profile

Prof. Qiang Liu

Professor at Tsinghua Univ

SPIE Involvement:

Conference Chair | Author

Proceedings Article | 13 March 2024 Presentation + Paper

Large-scale photonic computing with nonlinear disordered media

Hao Wang, Jianqi Hu, Andrea Morandi, Alfonso Nardi, Fei Xia, Xuanchen Li, Romolo Savo, Qiang Liu, Rachel Grange, Sylvain Gigan

Proceedings Volume 12903, 1290302 (2024) https://doi.org/10.1117/12.3001884

KEYWORDS: Nonlinear optics, Image classification, Optical computing, Speckle, Second harmonic generation, Light scattering, Feature extraction, Artificial neural networks, Optical signal processing

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SPIE Journal Paper | 6 February 2023 Open Access

Evolution on spatial patterns of structured laser beams: from spontaneous organization to multiple transformations

Xin Wang, Zilong Zhang, Xing Fu, Adnan Khan, Suyi Zhao, Yuan Gao, Yuchen Jie, Wei He, Xiaotian Li, Qiang Liu, Changming Zhao

APN, Vol. 2, Issue 02, 024001, (February 2023) https://doi.org/10.1117/12.10.1117/1.APN.2.2.024001

KEYWORDS: Superposition, Mode locking, Second harmonic generation, Nonlinear dynamics, Airy beams, Polarization, Laser frequency, Fiber lasers, Photonics, Modulation

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Proceedings Article | 15 February 2018 Presentation + Paper

2-μm Cr2+: CdSe passively Q-switched laser

E. C. Ji, Q. Liu, Y. Yao, S. Lu, Q. T. Lue

Proceedings Volume 10511, 105110Z (2018) https://doi.org/10.1117/12.2284294

KEYWORDS: Chromium, Holmium, Crystals, YAG lasers, Pulsed laser operation, Absorption, Laser crystals, Q switched lasers, Laser damage threshold, Autoregressive models

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Proceedings Article | 15 November 2017 Paper

Anti-dynamic-crosstalk method for single photon LIDAR detection

Fan Zhang, Qiang Liu, Mali Gong, Xing Fu

Proceedings Volume 10605, 1060503 (2017) https://doi.org/10.1117/12.2286068

KEYWORDS: Single photon, LIDAR

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Proceedings Article | 9 November 2016 Paper

The influence of combined guiding effect on the beam quality in MOPA Nd:YVO4 lasers

Xingpeng Yan, Qiang Liu, Xi Wang

Proceedings Volume 10016, 1001617 (2016) https://doi.org/10.1117/12.2246270

KEYWORDS: Thermal effects, Modes of laser operation, Oscillators, Optical amplifiers, Crystals, Refractive index, Neodymium, Temperature metrology, Composites, Amplifiers

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Proceedings Article | 4 November 2014 Paper

Multimodal visual dictionary learning via heterogeneous latent semantic sparse coding

Chenxiao Li, Guiguang Ding, Jile Zhou, Yuchen Guo, Qiang Liu

Proceedings Volume 9273, 92731K (2014) https://doi.org/10.1117/12.2073276

KEYWORDS: Associative arrays, Visualization, Image compression, Visual process modeling, Image retrieval, Data modeling, Performance modeling, Computer programming, Lithium, Image analysis

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Proceedings Article | 29 November 2012 Paper

Modeling of distributed-side-pumped slab lasers: power scaling by adding slab units

Xing Fu, Qiang Liu, Mali Gong

Proceedings Volume 8551, 85510Z (2012) https://doi.org/10.1117/12.981708

KEYWORDS: Composites, Nd:YAG lasers, YAG lasers, Absorption, Oscillators, Thermal effects, Reflectivity, Mirrors, Crystals, Image segmentation

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Proceedings Article | 29 November 2012 Paper

Q-switched quasi-concentric laser resonator with line-shaped end-pumping profile: power-insensitive operating point and symmetrized TEM00 output

Xing Fu, Qiang Liu, Mali Gong

Proceedings Volume 8551, 85510Y (2012) https://doi.org/10.1117/12.981707

KEYWORDS: Resonators, Laser resonators, Thermal effects, Optical pumping, Thermal modeling, Q switched lasers, Fiber lasers, Laser beam propagation, Solid state lasers, Fiber couplers

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Proceedings Article | 29 November 2012 Paper

Variation of thermal lens curvature type between the convex and the concave lens for zigzag slab laser

Xing Fu, Qiang Liu, Mali Gong

Proceedings Volume 8551, 855105 (2012) https://doi.org/10.1117/12.981709

KEYWORDS: Optical amplifiers, Nd:YAG lasers, Laser scattering, Wavefronts, Thermography, High power lasers, Composites, Geometrical optics, Crystals, Neodymium

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Showing 5 of 9 publications

Conference Committee Involvement (1)

Nineteenth National Conference on Laser Technology and Optoelectronics

21 June 2024 | Shanghai, China

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