● 2021.08 – 至今　suncitygroup太阳新城 助理研究员

● 2019.07 – 2021.07　suncitygroup太阳新城 博士后

主要从事高亮度电子束的产生、操控、诊断及应用方面的研究，主要包括：

1. 光阴极微波电子枪的研制，包括电子枪电磁仿真、热力学仿真、加工工艺等；

2. 半导体光阴极的制备、测量和关键物理问题研究，从阴极寿命、量子效率、热发射度三个维度对阴极性能进行优化；

3. 高亮度电子束束流动力学的研究，主要包括束流传输的理论、模拟方法和实验技术的研究，束流发射度的优化、先进束流压缩技术等；

4. 高亮度电子束的应用研究，包括超快电子衍射技术、汤姆逊散射源技术、自由电子激光技术等。

● 2022-2026，液相物质原子级时空分辨高能电子衍射技术，国家重点研发计划（大科学装置前沿研究），主要参与人

● 2019-2024，多幅动态超快成像技术研发及原理验证，国家重点研发计划（大科学装置前沿研究），主要参与人

[1] Zheng LM, Du YC, Huang PW. Eliminating uncertainty of thermal emittance measurement in solenoid scans due to rf and solenoid fields overlap. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2022, 1025: 166149.

[2 ]Chen H, Zheng LM, Huang PW, et al. Analysis of slice transverse emittance evolution in a very-high-frequency gun photoinjector. Physical Review Accelerators and Beams, 2021, 24(12): 124402.

[3] Zheng L M, Shao J H, Wisniewski E E, et al. Rapid thermal emittance and quantum efficiency mapping of a cesium telluride cathode in an rf photoinjector using multiple laser beamlets. Physical Review Accelerators and Beams, 23(5): 052801, 2020.

[4] Zheng L M, Shao J H, Du Y C, et al. Experimental demonstration of the correction of coupled-transverse-dynamics aberration in an rf photoinjector. Physical Review Accelerators and Beams, 22(7): 072805, 2019.

[5] Zheng L M, Shao J H, Du Y C, et al. Overestimation of thermal emittance in solenoid scans due to coupled transverse motion. PHYSICAL REVIEW ACCELERATORS AND BEAMS, 21, 122803, 2018.

[6] Zheng L M, Du Y C, Tang C X, et al. Effects of laser pulse heating of copper photocathodes on high-brightness electron beam production at blowout regime. Chinese Physics C, 2017, 41(6): 067002.

[7] Zheng L M, Du Y C, Zhang Z, et al. Development of S-band photocathode RF guns at Tsinghua University. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 834: 98-107, 2016.

[8] Zheng L M, Du Y, Huang W, et al. Simulation of dark current and dark current-induced background photons in the Thomson scattering X-ray source[J]. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2015, 800: 12-17.

[9] Zheng L M, Li Z Z, Du Y C, et al. Design of a 217 MHz VHF Gun at Tsinghua University. In 10th Int. Particle Accelerator Conf.(IPAC19), Melbourne, Australia, May 19-24, 2019.