Dr. Yanan Zhi Profile

Dr. Yanan Zhi

at Univ of Illinois at Chicago

SPIE Involvement:

Author

Publications (63)

SPIE Journal Paper | 19 December 2016 Open Access

In vivo super-resolution retinal imaging through virtually structured detection

Changgeng Liu, Yanan Zhi, Benquan Wang, Damber Thapa, Yanjun Chen, Minhaj Alam, Yiming Lu, Xincheng Yao

JBO, Vol. 21, Issue 12, 120502, (December 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.12.120502

KEYWORDS: Super resolution, In vivo imaging, Spatial frequencies, Retinal scanning, Image resolution, Retina, Eye, Spatial resolution, Signal to noise ratio, Microscopy

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 26 August 2015 Paper

Two-center recording in LiNbO3:Fe:Ru and LiNbO3:Ce:Ru crystals

Zhifang Chai, Ya'nan Zhi, Fenglin Zhang

Proceedings Volume 9586, 958616 (2015) https://doi.org/10.1117/12.2187417

KEYWORDS: Crystals, Diffraction, Scattering, Holography, Laser crystals, Signal detection, Laser scattering, Interference (communication), 3D image reconstruction, Ruthenium

Read Abstract +

Proceedings Article | 18 September 2014 Paper

Phase detection experiment for the down-looking synthetic aperture imaging ladar with electro-optic modulation

Zhiyong Lu, Jianfeng Sun, Ya'nan Zhi, Ning Zhang, Liren Liu

Proceedings Volume 9227, 92270C (2014) https://doi.org/10.1117/12.2059886

KEYWORDS: Phase shift keying, Scanners, Crystals, Modulation, Electro optics, Synthetic aperture imaging, LIDAR, Laser crystals, Digital holography, Holographic interferometry

Read Abstract +

Proceedings Article | 18 September 2014 Paper

Three-dimensional imaging using differential synthetic aperture interferometry

Ning Zhang, Yu Zhou, Jianfeng Sun, Ya'nan Zhi, Zhiyong Lu, Qian Xu, Zhiwei Sun, Liren Liu

Proceedings Volume 9227, 92270D (2014) https://doi.org/10.1117/12.2060470

KEYWORDS: Antennas, 3D image processing, Interferometry, Synthetic aperture radar, Interferometric synthetic aperture radar, 3D acquisition, Reflection, Wavefronts, Radar, Microwave radiation

Read Abstract +

Proceedings Article | 18 September 2014 Paper

Phase error suppression by low-pass filtering for synthetic aperture imaging ladar

Zhiwei Sun, Peipei Hou, Ya'nan Zhi, Jianfeng Sun, Yu Zhou, Qian Xu, Zhiyong Lu, Liren Liu

Proceedings Volume 9227, 92270F (2014) https://doi.org/10.1117/12.2060472

KEYWORDS: Linear filtering, Image filtering, Synthetic aperture radar, Optical filters, Fourier transforms, Synthetic aperture imaging, LIDAR, Image processing, Numerical simulations, Reconstruction algorithms

Read Abstract +

Proceedings Article | 5 September 2014 Paper

Absorption characteristic and two-center holographic recording in LiNbO3:Ce:Ru crystals

Zhifang Chai, Ya'nan Zhi, Lu Cui, Xiaohua Qi, Qiang Huan

Proceedings Volume 9200, 920018 (2014) https://doi.org/10.1117/12.2060673

KEYWORDS: Crystals, Absorption, Holography, Ruthenium, Cerium, Ultraviolet radiation, Diffraction, Holograms, Scattering, Annealing

Read Abstract +

Proceedings Article | 5 September 2014 Paper

Theoretical for astigmatism Fourier transform-based imaging processor

Peipei Hou, Jianfeng Sun, Ya’nan Zhi, Liren Liu

Proceedings Volume 9200, 920016 (2014) https://doi.org/10.1117/12.2060185

KEYWORDS: LIDAR, Monochromatic aberrations, Imaging systems, Image processing, Synthetic aperture radar, Fourier transforms, Confocal microscopy, Synthetic aperture imaging, Radar, Mirrors

Read Abstract +

Proceedings Article | 28 September 2013 Paper

Differential time delay line network for optical controlled beam forming

Jianfeng Sun, Lijuan Wang, Peipei Hou, Liren Liu, Ya'nan Zhi, Yu Zhou

Proceedings Volume 8843, 88430M (2013) https://doi.org/10.1117/12.2022990

KEYWORDS: Phased array optics, Radar, Free space optics, Radio optics, Phased arrays, Prisms, Picosecond phenomena, Free space, Optical networks, Polarization

Read Abstract +

Proceedings Article | 25 September 2013 Paper

Effect of light intensity on quasi-nonvolatile holography in doubly doped LiNbO3:Fe:Ru crystal

Zhifang Chai, Ya'nan Zhi, Daoyang Bao, Yu Chen, Qiang Zhao

Proceedings Volume 8847, 88471B (2013) https://doi.org/10.1117/12.2023487

KEYWORDS: Crystals, Ruthenium, Diffraction, Holography, Electrons, Iron, Holograms, Diffraction gratings, Absorption, Laser crystals

Read Abstract +

Proceedings Article | 25 September 2013 Paper

The effect of the light size and telecommunication rate on homodyne detection efficiency in the satellite-to-ground laser communication

Xiaoping Ma, Jianfeng Sun, Yanan Zhi, Wei Lu, Qian Xu, Liren Liu

Proceedings Volume 8874, 887414 (2013) https://doi.org/10.1117/12.2022979

KEYWORDS: Homodyne detection, Laser communications, Satellites, Satellite communications, Telescopes, Modulation, Receivers, Phase shift keying, Turbulence, Atmospheric turbulence

Read Abstract +

Proceedings Article | 25 September 2013 Paper

A framework of cloud supported collaborative design in glass lens moulds based on aspheric measurement

Yongjian Zhu, Yu Wang, Jingxin Na, Yanan Zhi, Yufeng Fan

Proceedings Volume 8841, 88411A (2013) https://doi.org/10.1117/12.2023882

KEYWORDS: Aspheric lenses, Lens design, Computer aided design, Clouds, Glasses, Optics manufacturing, Finite element methods, Optical design, Data analysis, Reflection

Read Abstract +

Proceedings Article | 25 September 2013 Paper

Flat optical lens by use of 90-degree volume holographic grating recording geometry and nonvolatile thermal fixing in LiNbO3:Fe crystal

Ya'nan Zhi, Zhifang Chai, Yongjian Zhu, Peipei Hou, Jianfeng Sun, Yu Zhou, Liren Liu

Proceedings Volume 8847, 88471I (2013) https://doi.org/10.1117/12.2025132

KEYWORDS: Holography, Volume holography, Diffraction gratings, Diffraction, Crystals, Free space optics, Spherical lenses, Holograms, Switching, Optical communications

Read Abstract +

Proceedings Article | 25 September 2013 Paper

Optimization of high fixed diffraction efficiency in LiNbO3:Ce:Cu using optimal switching from recording to fixing

Peipei Hou, Ya‘nan Zhi, Jianfeng Sun, Yu Zhou, Lijuan Wang, Wei Lu, Liren Liu

Proceedings Volume 8847, 884715 (2013) https://doi.org/10.1117/12.2022610

KEYWORDS: Diffraction, Diffraction gratings, Holography, Crystals, Switching, Copper, Cerium, Ultraviolet radiation, Holograms, Photovoltaics

Read Abstract +

Proceedings Article | 17 September 2013 Paper

Optimum pattern of the multi-aperture receiver for the synthetic aperture laser imaging ladar in the turbulence environment

Jianfeng Sun, Yu Zhou, Ya'nan Zhi, Liren Liu

Proceedings Volume 8877, 88770N (2013) https://doi.org/10.1117/12.2022999

KEYWORDS: Receivers, Turbulence, Heterodyning, LIDAR, Synthetic aperture radar, Image resolution, Laser imaging, Imaging systems, Atmospheric optics, Transmitters

Read Abstract +

Proceedings Article | 17 September 2013 Paper

The impact of space-time speckle to the resolution in range and azimuth direction on synthetic aperture imaging ladar

Qian Xu, Yu Zhou, Jianfeng Sun, Ya'nan Zhi, Xiaoping Ma, Zhiwei Sun, Dong Lu, Liren Liu

Proceedings Volume 8877, 88770K (2013) https://doi.org/10.1117/12.2022974

KEYWORDS: Speckle, Image resolution, Synthetic aperture imaging, LIDAR, Computer simulations, Antennas, Fourier transforms, Image quality, Optical antennas, Image processing

Read Abstract +

Proceedings Article | 17 September 2013 Paper

Optical imaging process based on two-dimensional Fourier transform for synthetic aperture imaging ladar

Zhiwei Sun, Ya'nan Zhi, Liren Liu, Jianfeng Sun, Yu Zhou, Peipei Hou

Proceedings Volume 8877, 88770L (2013) https://doi.org/10.1117/12.2022977

KEYWORDS: Image processing, Fourier transforms, Synthetic aperture imaging, LIDAR, Synthetic aperture radar, Spherical lenses, Imaging systems, Liquid crystals, Data processing, Optical imaging

Read Abstract +

Proceedings Article | 7 September 2013 Paper

FEM analysis of hot-pressing process of aspheric glass P-SK57 lens

Yongjian Zhu, Jingxin Na, Yu Wang, Anhu Li, Yanan Zhi, Yufeng Fan

Proceedings Volume 8838, 88380Z (2013) https://doi.org/10.1117/12.2023133

KEYWORDS: Glasses, Annealing, Glass molding, Aspheric lenses, Finite element methods, Precision glass molding, Convection, Lens grinding, Spherical lenses, Digital cameras

Read Abstract +

Proceedings Article | 24 October 2012 Paper

High-data rate laser communication field experiment in the turbulence channel

Jianfeng Sun, Ya'nan Zhi, Wei Lu, Lijuan Wang, Enwen Dai, Liren Liu

Proceedings Volume 8517, 851713 (2012) https://doi.org/10.1117/12.928390

KEYWORDS: Laser communications, Turbulence, Modulation, Phase shift keying, Data communications, Satellites, Receivers, Homodyne detection, Satellite communications, Computer programming

Read Abstract +

Proceedings Article | 24 October 2012 Paper

High data-rate differential phase shift keying receiver for satellite-to-ground optical communication link

Yan'an Zhi, Jianfeng Sun, Enwen Dai, Yu Zhou, Lijuan Wang, Wei Lu, Peipei Hou, Liren Liu

Proceedings Volume 8517, 85170F (2012) https://doi.org/10.1117/12.928391

KEYWORDS: Receivers, Optical communications, Satellites, Satellite communications, Atmospheric turbulence, Atmospheric optics, Phase shift keying, Wavefronts, Hybrid optics, Modulation

Read Abstract +

Proceedings Article | 24 October 2012 Paper

Technological research of differential phase shift keying receiver in the satellite-to-ground laser communication

Xiaoping Ma, Jianfeng Sun, Yanan Zhi, Liren Liu

Proceedings Volume 8517, 851714 (2012) https://doi.org/10.1117/12.928392

KEYWORDS: Laser communications, Phase shift keying, Satellites, Turbulence, Receivers, Telecommunications, Satellite communications, Atmospheric optics, Atmospheric turbulence, Polarization

Read Abstract +