Tong Yang
Ph.D., Tenured Associate Professor, Doctoral Supervisor
Email：yangtong@bit.edu.cn
EDUCATION
2012.08-2017.07, Tsinghua University, Optical Engineering, Ph.D.
2008.09-2012.06, Tianjin University, Optoelectronic Information Engineering, Bachelor
WORKING EXPERIENCES
2022.07-present, Associate Professor, Beijing Institute of Technology
2017.08-2022.06, Assistant Professor, Beijing Institute of Technology
COURSES TEACHING
Complex Functions & Mathematics Physics Equations (fall): 2018-2022
Optical System Design and Fabrication (spring, fall): 2023-2024
Freeform Optics (fall): 2019-2023
RESEARCH INTERESTS
Freeform optics, Optical system design, VR and AR display, Computational imaging, Diffractive optics and metasurface
AWARDS AND HONOURS
Young Elite Scientist Sponsorship Program by China Association for Science and Technology, in 2020
National Outstanding Doctoral Dissertation in Optical Engineering (Outstanding Award, only five people nationwide), honored by Chinese Society for Optical Engineering, in 2019. Title of Dissertation: Design method of freeform imaging systems based on a point-by-point construction-iteration process
Jin Guofan Prize for Excellent Youth of China Instrument and Control Society Scholarships, in 2018
PEER-REVIEWED JOURNAL PUBLICATIONS
[1] Huiming Xu, Tong Yang*, Dewen Cheng, and Yongtian Wang, "Compact freeform near-eye display system design enabled by optical-digital joint optimization," Frontiers in Physics, 12, 1440129 (2024).
[2] Yongdong Wang, Tong Yang*, Xin Lyu, Dewen Cheng, and Yongtian Wang, "Ultra-simplified and low-cost head-up display system enabled by freeform holographic element," Optics & Laser Technology, 178, 111253 (2024).
[3] 杨通*, 王永东, 吕鑫, 程德文, 王涌天. 融合自由曲面光学与全息光学元件的成像与显示系统设计,” 光学学报, 44(9): 0900001, 2024. (封面文章、特邀综述)
Tong Yang*, Yongdong Wang, Xin Lü, Dewen Cheng, Yongtian Wang. “Design of imaging and display systems combining freeform optics and holographic optical elements,” Acta Optica Sinica, 44(9): 0900001, 2024. (Cover paper, Invited review)
[4] Boyu Mao, Tong Yang*, Huiming Xu, Wenchen Chen, Dewen Cheng, and Yongtian Wang, "FreeformNet: fast and automatic generation of multiple-solution freeform imaging systems enabled by deep learning," Photonics Research, 11(8), 1408-1422 (2023).
[5] 周丽军, 杨通*, 程德文, 王涌天. “基于方域正交多项式自由曲面的成像系统设计方法,” 红外与激光工程, 52(7): 20230317, 2023.（特邀论文）
Lijun Zhou, Tong Yang*, Dewen Cheng, Yongtian Wang. “Design method of imaging systems using square-domain orthogonal polynomials freeform surface,” Infrared and Laser Engineering, 52(7): 20230317, 2023. (Invited paper)
[6] Tong Yang, Huiming Xu, Dewen Cheng*, and Yongtian Wang, "Design of compact off-axis freeform imaging systems based on optical-digital joint optimization," Optics Express, 31(12), 19491-19509 (2023).
[7] Yongdong Wang, Tong Yang*, Dongwei Ni, Dewen Cheng, and Yongtian Wang, "Design of an off-axis near-eye AR display system based on a full-color freeform holographic optical element," Optics Letters 48(5), 1288-1291 (2023).
[8] 周丽军, 杨通*, 高丽娜, 程德文, 王涌天. “易于多面共体加工的自由曲面离轴三反系统设计,” 光学学报, 43(8): 0822021, 2023.
Lijun Zhou, Tong Yang*, Lina Gao, Dewen Cheng, Yongtian Wang. “Design of freeform off-axis three-mirror system enabling multisurface-integrated fabrication,” Acta Optica Sinica, 43(8): 0822021, 2023.
[9] Dongwei Ni, Dewen Cheng*, Yongdong Wang, Tong Yang*, Ximeng Wang, Cheng Chi, and Yongtian Wang, "Design and fabrication method of holographic waveguide near-eye display with 2D eye box expansion," Optics Express 31(7), 11019-11040 (2023).
[10] Tong Yang, Lina Gao, Dewen Cheng*, and Yongtian Wang, "Design method of imaging optical systems using confocal flat phase elements," Optics Express 30(25), 45895-45909 (2022).
[11] Dewen Cheng*, Hailong Chen, Wenrui Shen, Tong Yang*, Yue Liu, and Yongtian Wang, "Optical description and design method of smoothly stitched polynomial freeform surfaces," Optics and Lasers in Engineering 162, 107349 (2023).
[12] Tong Yang, Lijun Zhou, Dewen Cheng*, and Yongtian Wang, "Designing reflective imaging systems with multiple-surfaces-integrated elements using a Gaussian function freeform surface," Applied Optics 61, 5215-5225 (2022).
[13] Tong Yang, Yongdong Wang, Dongwei Ni, Dewen Cheng*, and Yongtian Wang, "Design of off-axis reflective imaging systems based on freeform holographic elements," Optics Express 30, 20117-20134 (2022).
[14] Dewen Cheng, Chen Xu*, Tong Yang*, and Yongtian Wang, "Off-axis reflective imaging system design with a conicoid-based freeform surface," Optics Express 30, 9590-9603 (2022).
[15] Wenchen Chen, Tong Yang*, Dewen Cheng, and Yongtian Wang, "Generating starting points for designing freeform imaging optical systems based on deep learning," Optics Express 29, 27845-27870 (2021). (Editors' Pick)
[16] Dewen Cheng, Hailong Chen, Tong Yang*, Jun Ke, Yang Li and Yongtian Wang, "Optical design of a compact and high-transmittance compressive sensing imaging system enabled by freeform optics," Chinese Optics Letters 19, 112202 (2021).
[17] Junhao Ni, Tong Yang*, Dewen Cheng, and Yongtian Wang, "Design method of wide field-of-view imaging systems using Gaussian radial basis functions freeform surfaces," Applied Optics 60, 4491-4501 (2021).
[18] Tong Yang, Dewen Cheng*, Yongtian Wang, “Designing freeform imaging systems based on reinforcement learning,” Optics Express, 28, 30309-30323 (2020).
[19] Yingzhe Duan, Tong Yang*, Dewen Cheng, and Yongtian Wang, "Design method for nonsymmetric imaging optics consisting of freeform-surface-substrate phase elements," Optics Express 28, 1603-1620 (2020).
[20] 杨通, 段璎哲, 程德文, 王涌天*. 自由曲面成像光学系统设计:理论、发展与应用,” 光学学报, 41(1): 0108001, 2020. (特邀综述)
Tong Yang, Yingzhe Duan, Dewen Cheng, Yongtian Wang*. “Freeform Imaging Optical System Design: Theories, Development, and Applications,” Acta Optica Sinica, 41(1): 0108001, 2020. (Invited review)
[21] Tong Yang*, Dewen Cheng, and Yongtian Wang, "Direct generation of starting points for freeform off-axis three-mirror imaging system design using neural network based deep-learning," Optics Express 27, 17228-17238 (2019).
[22] Junhao Ni, Tong Yang*, Dewen Cheng, and Yongtian Wang, "Description and tolerance analysis of freeform surface figure error using specific-probability-distributed Gaussian radial basis functions," Optics Express 27, 31820-31839 (2019).
[23] Tong Yang*, Dewen Cheng, and Yongtian Wang, “Freeform and planar phase elements combine for better imaging optics,” Laser Focus World 55(9), 32-35 (2019).
[24] Tong Yang*, Dewen Cheng, and Yongtian Wang*, "Design method of nonsymmetric imaging systems consisting of multiple flat phase elements," Optics Express 26, 25347-25363 (2018).
[25] Tong Yang, Dewen Cheng, and Yongtian Wang*, "Freeform imaging spectrometer design using a point-by-point design method," Applied Optics 57, 4718-4727 (2018).
[26] Tong Yang, Dewen Cheng*, and Yongtian Wang, "Aberration analysis for freeform surface terms overlay on general decentered and tilted optical surfaces," Optics Express 26(6), 7751-7770 (2018).
[27] Tong Yang, Guofan Jin, and Jun Zhu*, “Automated design of freeform imaging systems,” Light: Science & Applications 6, e17081 (2017). (Nature旗下期刊，2021年影响因子20.257)
[28] Tong Yang, Jun Zhu*, and Guofan Jin, “Design of freeform imaging systems with linear field-of-view using a construction and iteration process,” Optics Express 22, 3362-3374 (2014).
[29] Tong Yang, Jun Zhu*, Wei Hou, and Guofan Jin, “Design method of freeform off-axis reflective imaging systems with a direct construction process," Optics Express 22, 9193-9205 (2014).
[30] Tong Yang, Jun Zhu*, and Guofan Jin, “Nodal aberration properties of co-axial imaging systems using Zernike polynomial surfaces,” Journal of the Optical Society of America A 32, 822-836 (2015).
[31] Tong Yang, Jun Zhu*, Xiaofei Wu, and Guofan Jin, “Direct design of freeform surfaces and freeform imaging systems with a point-by-point three-dimensional construction-iteration method,” Optics Express 23, 10233-10246 (2015).
[32] Tong Yang, Jun Zhu*, and Guofan Jin, “Starting configuration design method of freeform imaging and afocal systems with a real exit pupil," Applied Optics 55, 345-353 (2016).
[33] Tong Yang, Jun Zhu*, and Guofan Jin, “Compact freeform off-axis three-mirror imaging system based on the integration of primary and tertiary mirrors on one single surface," Chinese Optics Letters 14, 060801 (2016).
[34] Tong Yang, Jun Zhu*, and Guofan Jin, “Design of a freeform dual field-of-views, dual focal lengths off-axis three-mirror imaging system with a point-by-point construction-iteration process," Chinese Optics Letters 14, 060801 (2016).
[35] Tong Yang, Guofan Jin, and Jun Zhu*, “Design of image-side telecentric freeform imaging system using point-by-point construction-iteration process”. Chinese Optics Letters 15, 062202 (2017).
[36] Jun Zhu*, Tong Yang, and Guofan Jin, “Design method of surface contour for a freeform lens with wide linear field-of-view,” Optics Express 21, 26080-26092 (2013).
[37] Jun Zhu*, Xiaofei Wu, Tong Yang, and Guofan Jin, "Generating optical freeform surfaces considering both coordinates and normals of discrete data points," Journal of the Optical Society of America A 31, 2401-2408 (2014).
[38] Wei Hou, Jun Zhu*, Tong Yang, and Guofan Jin, “Construction method through forward and reverse ray tracing for a design of ultra-wide linear field-of-view off-axis freeform imaging systems,” Journal of Optics 17, 055603 (2015).
[39] Xiaofei Wu, Jun Zhu*, Tong Yang, and Guofan Jin, “Transverse image translation using an optical freeform single lens,” Applied Optics 54, E55-E62 (2015).
[40] Cheng Yao, Dewen Cheng*, Tong Yang, and Yongtian Wang, "Design of an optical see-through light-field near-eye display using a discrete lenslet array," Optics Express 26, 18292-18301 (2018).
[41] Luo Gu, Dewen Cheng*, Qiwei Wang, Qichao Hou, Shanshan Wang, Tong Yang, and Yongtian Wang*, "Design of a uniform-illumination two-dimensional waveguide head-up display with thin plate compensator," Optics Express 27, 12692-12709 (2019).
[42] Yue Liu, Dewen Cheng*, Tong Yang, and Yongtian Wang, "High precision integrated projection imaging optical design based on microlens array," Optics Express 27, 12264-12281 (2019).
[43] Zhuojing Zhao, Dewen Cheng*, Tong Yang, Qiwei Wang, Qichao Hou, Luo Gu, and Yongtian Wang, "Design and evaluation of a biocular system," Applied Optics 58, 7851-7857 (2019).
[44] Luo Gu, Dewen Cheng*, Yue Liu, Junhao Ni, Tong Yang, and Yongtian Wang, "Design and fabrication of an off-axis four-mirror system for head-up displays," Applied Opitcs 59, 4893-4900 (2020).
[45] Yue Liu, Dewen Cheng*, Qichao Hou, Hailong Chen, Zexin Feng, Tong Yang, and Yongtian Wang, "Compact integrator design for short-distance sharp and unconventional geometric irradiance tailoring," Applied Optics 60, 4165-4176 (2021).
[46] Linxia Zhang, Jun Ke*, Sheng Chi, Xiaowen Hao, Tong Yang, and Dewen Cheng, "High-resolution fast mid-wave infrared compressive imaging," Optics Letters 46, 2469-2472 (2021).
[47] Yue Liu, Dewen Cheng*, Qiwei Wang, Qichao Hou, Luo Gu, Hailong Chen, Tong Yang, and Yongtian Wang, "Optical distortion correction considering radial and tangential distortion rates defined by optical design," Results in Optics 3, 100072 (2021).
[48] Dewen Cheng, Jiaxi Duan, Hailong Chen, He Wang, Danyang Li, Qiwei Wang, Qichao Hou, Tong Yang, Weihong Hou, Donghua Wang, Xiaoyu Chi, Bin Jiang, and Yongtian Wang*, "Freeform OST-HMD system with large exit pupil diameter and vision correction capability," Photonics Research, 10(1), 21-32 (2022).
[49] Yue Liu, Dewen Cheng*, Tong Yang, Hailong Chen, Luo Gu, Dongwei Ni, and Yongtian Wang, "Ultra-thin multifocal integral LED-projector based on aspherical microlens arrays," Optics Express 30, 825-845 (2022).
[50] Dewen Cheng*, Qichao Hou, Yang Li, Tian Zhang, Danyang Li, Yilun Huang, Yue Liu, Qiwei Wang, Weihong Hou, Tong Yang, Zexin Feng, and Yongtian Wang*, "Optical design and pupil swim analysis of a compact, large EPD and immersive VR head mounted display," Optics Express 30, 6584-6602 (2022).
[51] Dongwei Ni, Dewen Cheng*, Yue Liu, Ximeng Wang, Cheng Yao, Tong Yang, Cheng Chi, and Yongtian Wang, "Uniformity improvement of two-dimensional surface relief grating waveguide display using particle swarm optimization," Optics Express, 30(14), 24523-24543 (2022).
[52] Dewen Cheng, Qiwei Wang, Li Wei*, Ximeng Wang, Lijun Zhou, Qichao Hou, Jiaxi Duan, Tong Yang, and Yongtian Wang, "Design method of a wide-angle AR display with a single-layer two-dimensional pupil expansion geometrical waveguide," Applied Optics, 61(19), 5813-5822 (2022).
[53] Dewen Cheng, Hailong Chen, Cheng Yao*, Qichao Hou, Weihong Hou, Li Wei, Tong Yang, and Yongtian Wang, "Design, stray light analysis, and fabrication of a compact head-mounted display using freeform prisms," Optics Express 30(20), 36931-36948 (2022).
[54] Qichao Hou, Dewen Cheng*, Yang Li, Tian Zhang, DanYang Li, Yilun Huang, Hailong Chen, Qiwei Wang, Weihong Hou, Tong Yang, and Yongtian Wang, "Stray light analysis and suppression method of a pancake virtual reality head-mounted display," Optics Express 30(25), 44918-44932 (2022).
[55] 程德文*, 陈海龙, 王涌天, 杨通. “复杂光学曲面数理描述和设计方法研究,” 光学学报, 43(8): 0822008, 2023. (封底文章、特邀综述)
Dewen Cheng*, Hailong Chen, Yongtian Wang, Tong Yang. “Mathematical description and design methods of complex optical surfaces,” Acta Optica Sinica, 43(8): 0822008, 2023. (Back cover paper, Invited Review)
[56] 程德文*, 倪栋伟, 吕鑫, 王永东, 杨通, 王涌天. “大视场二维扩瞳全息光栅波导设计与加工,” 光学学报, 44(2): 0222001, 2024.
Dewen Cheng*, Dongwei Ni, Xin Lv, Yongdong Wang, Tong Yang, Yongtian Wang. “Design and fabrication of 2D exit pupil expansion holographic grating waveguide with large field of view,” Acta Optica Sinica, 44(2): 0222001, 2024.
[57] Xin Lyu, Tong Yang, Tianxiang Lan, Yongdong Wang, Xiaolan Liu, Yongtian Wang, and Dewen Cheng*, "Design and fabrication of two-dimensional holographic grating waveguide with large field of view and high uniformity," Optics and Lasers in Engineering, 179, 108225 (2024).
[58] Xilong Dai, Yuefan Shan, Da Wang, Tong Yang, Dewen Cheng*, and Yongtian Wang, "Mapping-based design method for high-quality integral projection system," Optics Express, 32(10), 18379-18398 (2024).