Professors
TANG Chuanxiang
Professor

Ph.D.

Tel: +86-10-62775551

Email: Tang.xuh@tsinghua.edu.cn

Educational Background


1987.09-1992.07

Tsinghua Univeristy, Physics Department ,

Bachelor Degree of Modern Physics and Applications

Second Bachelor Degree of Electronics and Computer Technology

1992.7-1996.3

Tsinghua University, Department of Engineering Physics

MS Degree and Ph.D Degree of Accelerator Physics and Applications


Work Experience

2004.12-now, Tsinghua University, Department of Engineering Physics, Professor

1999.08-2004.12, Tsinghua University, Department of Engineering Physics, Associate researcher

1996.04-1999.08, Tsinghua University, Department of Engineering Physics, Lecturer


Teaching work

For undergraduate students:  Electrodynamics

Previously taught: 

“Principle of Accelerators”, “An overview of the Engineering Physics”,“Plasma, Laser and Electron beam”, “The latest development of accelerators”, “Physics of High brightness electron beam”.


Research Field

Particle accelerator physics and their applications:

High brightness electron injectors and their applications- photocathode RF gun, MeV ultrafast electron diffraction.

Advanced light sources: Steady-state microbunching EUV source, Inverse Compton Scattering X/g Ray Sources, Free Electron Lasers.

High gradient accelerating structures: x-band, THz acceleration.

Applications of electron linacs: FLASH radiotherapy, cargo inspection.


Academic Achievements

Selected publications of recent years:

1) A hybrid simulation method towards the gamma-ray phase contrast imaging for metallic material, Scientific Reports ,(2024) 14:21159

2) A simulation method of gamma-ray phase contrast imaging for metal samples, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment(ISSN:0168-9002),2023,Vol.1053, WOS:001053090300001

3) An ultrahigh-vacuum S-band photocathode radio-frequency electron gun, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment(ISSN:0168-9002),2023,Vol. 1051, WOS:000990854900001

4) Development of a compact linear accelerator to generate ultrahigh dose rate high-energy X-rays for FLASH radiotherapy applications, MEDICAL PHYSICS(ISSN:0094-2405),2023,Vol.50,No.3,Pages 1680-1698, WOS:000913873100001

5) Widely tunable electron bunch trains for the generation of high-power narrowband 1–10 THz radiation , NATURE PHOTONICS, 2023.

6) Steady state microbunching accelerator light source,  Acta Phys. Sin. , Vol. 71, No. 15 (2022) 152901, Invited review paper (in Chinese )

7) Experimental demonstration of the mechanism of steady-state microbunching, Nature | Vol590 | 25 February 2021, P576

8) Cascaded high-gradient terahertz-driven acceleration of relativistic electron beams, Nature Photonics, VOL 15 June 2021, P426–430

9) Rapid thermal emittance and quantum efficiency mapping of a cesium telluride cathode in an rf photoinjector using multiple laser beamlets, PRAB, 2020:Vol.23, No.5

10) Single shot cathode transverse momentum imaging in high brightness photoinjectors, PRAB,2020,Vol.23,No.4

11) Linearly polarized X-ray fluorescence computed tomography based on a Thomson scattering light source: a Monte Carlo study, JOURNAL OF SYNCHROTRON RADIATION, 2020,Vol.27,P737-745

12) Commissioning the photoinjector of a gamma-ray light source, PRAB,2019,Vol.22,No.5

13) Design and dynamic studies for a compact storage ring to generate gamma-ray light source based on Compton backscattering technique, PRAB, 2019,Vol.22,No.4

14) Experimental demonstration of the correction of coupled-transverse-dynamics aberration in an rf photoinjector, PRAB, 2019,Vol.22,No.7

15) Demonstration of Single-Shot High-Quality Cascaded High-Energy-Electron Radiography using Compact Imaging Lenses Based on Permanent-Magnet Quadrupoles, PHYSICAL REVIEW APPLIED,2019,Vol.11,No.3,

16) Shanghai Soft X-Ray Free-Electron Laser Facility, Chinese Journal of Lasers, 2019,Vol.46,No.1

17) Experimental feasibility of dual-energy computed tomography based on the Thomson scattering X-ray source, JOURNAL OF SYNCHROTRON RADIATION,Vol. 25,P1797-1802,No. 6,NOV 2018

18) Selective excitation and control of coherent terahertz Smith-Purcell radiation by high-intensity period-tunable train of electron micro-bunches, APPLIED PHYSICS LETTERS, Vol.113, No.17, OCT 22 2018

19) Non-perturbing THz generation at the Tsinghua University Accelerator Laboratory 31 MeV electron beamline, REVIEW OF SCIENTIFIC INSTRUMENTS,Vol.89,No.9,SEP 2018

20) Twin-bunch compression via velocity bunching in a traveling wave accelerator, PRAB, Vol. 21, No.8,AUG 27 2018

21) Transverse profile tomography of a high current proton beam with a multi-wire scanner, PRAB,Vol. 21,No.7, JUL 20 2018

22) Experiments on bright-field and dark-field high-energy electron imaging with thick target material,PRAB,Vol.21,No.7, JUL 12 2018

23) Theoretical analysis and simulation study of the deep overcompression mode of velocity bunching for a comblike electron bunch train,PRAB,Vol.21,No.2,FEB 27 2018

24) Observation of coherent Smith-Purcell and transition radiation driven by single bunch and micro-bunched electron beams, APPLIED PHYSICS LETTERS,Vol.112,No. 5, JAN 29 2018

25) Measurement of pre-bunched beam's longitudinal form factor based on radiation from a tunable-gap undulator, REVIEW OF SCIENTIFIC INSTRUMENTS,Vol.89,No.1,JAN 2018

26) Intrinsic nonlinear effects of dipole magnets in small rings,PRAB, Vol.19   No.6   P064001 (9 pp.)  June 2016

27) Development of S-band photocathode RF guns at Tsinghua University,NIM A, Vol. 834 P98-107,OCT 21 2016

28) Tunable High-Intensity Electron Bunch Train Production Based on Nonlinear Longitudinal Space Charge Oscillation, PRL, Vol.116 No.18,MAY 5 2016。

29) Interaction of an Ultra-relativistic Electron Bunch Train with a W-Band Accelerating Structure: High Power and High Gradient,PRL,Vol.116 No.5,FEB 5 2016

30) Flexible pulse delay control up to picosecond for high-intensity twin electron bunches, PRSTAB,Vol.18 No.9, SEP 10 2015

31) Analytical study on emittance growth caused by roughness of a metallic photocathode,PRSTAB  Volume: 18   Issue: 5, MAY 29 2015

32) Bunch evolution study in optimization of MeV ultrafast electron diffraction, CHINESE PHYSICS C.  Volume: 38 Issue: 12, DEC 2014.

33) In-line phase-contrast imaging based on Tsinghua Thomson scattering x-ray source, REVIEW OF SCIENTIFIC INSTRUMENTS, Volume: 85 Issue: 8, AUG 2014.

34) Design of a 4.8-m ring for inverse Compton scattering x-ray source, PRSTAB Volume: 17 Issue: 7, JUL 10 2014.

35) A simple scheme for injection and extraction in compact rings, REVIEW OF SCIENTIFIC INSTRUMENTS, Volume: 85 Issue: 3, MAR 2014.

36) Phase-space dynamics of ionization injection in plasma-based accelerators, PRL, Volume:112 Issue:3, 2014-Jan-24.

37) High-Gain Thompson-Scattering X-Ray Free-Electron Laser by Time-Synchronic Laterally Tilted Optical Wave, PRL  Vol.110   No.6, FEB 5 2013

38) Generation of first hard X-ray pulse at Tsinghua Thomson Scattering X-ray Source, REVIEW OF SCIENTIFIC INSTRUMENTS, Volume: 84   Issue: 5, MAY 2013.

39) Generating High-Brightness Electron Beams via Ionization Injection by Transverse Colliding Lasers in a Plasma-Wakefield Accelerator, PRL, Volume: 111   Issue: 1, JUL 2 2013.

40) Surface-Emission Studies in a High-Field RF Gun based on Measurements of Field Emission and Schottky-Enabled Photoemission, PRL,  Vol.109 No.20, NOV 14 2012

41) PRESENT STATUS OF THE ACCELERATOR INDUSTRY IN ASIA, IPAC2010, Tokyo,May24-28, 2010

42) Note: Single-shot continuously time-resolved MeV ultrafast electron diffraction, REVIEW OF SCIENTIFIC INSTRUMENTS   Vol 81   No3: MAR 2010


Part-time Academic Job

DESY, Germany, MHF-sl Group, Visiting Scholar, Aug.1996-Jun.1998

Deputy Chair of Particle Accelerators Society of China, 2016-2024

Member of ICFA-ANA Panel, 2007-now

Chair of ICFA-ANA Panel, 2022-2024

5) Adjunct Professor of City University of Hong Kong, 2019-2025


    • Address : Department of Engineering Physics, Tsinghua University (Liu Qinglou)
    • Zip code:100084
    • Phone:010-62785727
    • E-mail:gwbgs@mail.tsinghua.edu.cn
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