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physics.acc-ph2025
Terahertz-Driven Nano-tip Field-Emission Electron Gun and Cascaded Acceleration
Wentao Yu, Nongchao Tan, Kai Peng +10
This paper reports two versions of terahertz (THz)-driven nanotip field-emission electron guns: single-layer reflective guns (SLRGs) and double-layer reflective guns (DLRGs). Both…
physics.acc-ph2025
Observation and Interpretation of Field Emission Saturation Induced by an Ultra-fast Intense Terahertz Field
Wentao Yu, Nongchao Tan, Kai Peng +10
Field emission under ultra-fast intense terahertz fields provides a promising approach for generating electron bunches with ultrashort pulse duration and high charge densities. It…
physics.acc-ph2025
Enabling Continuous THz Band Coverage via Precise Electron Beam Tailoring in Free-electron Lasers
Yin Kang, Tong Li, Zhen Wang +28
High-power, continuously tunable narrowband terahertz (THz) sources are essential for advancing nonlinear optics, THz-driven material dynamics, and ultrafast spectroscopy. Conventi…