Terahertz generation and acceleration

Franz X. Kärtner; Dongfang Zhang; Arya Fallahi; Michael Hemmer; Moein Fakhari; Yi Hua; Huseyin Cankaya; Anne-Laure Calendron; Xiaojun Wu; Luis E. Zapata; Nicholas H. Matlis

doi:10.1117/12.2517434

1 March 2019 Terahertz generation and acceleration

Franz X. Kärtner, Dongfang Zhang, Arya Fallahi, Michael Hemmer, Moein Fakhari, Yi Hua, Huseyin Cankaya, Anne-Laure Calendron, Xiaojun Wu, Luis E. Zapata, Nicholas H. Matlis

Author Affiliations +

Proceedings Volume 10917, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XII; 109170I (2019) https://doi.org/10.1117/12.2517434
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

The generation and use of THz radiation for electron acceleration and manipulation of electron bunches has progressed over the last decade to a level where practical devices for THz guns, acceleration and a wide range of beam manipulations have become possible. Here, we present on our progress to generated single-cycle THz pulses at the twohundred micro- Joule level to drive advanced acceleration and beam manipulation devices. Specifically, a segmented terahertz electron accelerator and manipulator (STEAM) capable of performing multiple high-field operations on the 6D-phase-space of ultrashort electron bunches is demonstrated using these pulses. Using this device, powered by single-cycle, 0.3 THz pulses, we demonstrate record THz-acceleration of <60 keV, streaking with <10 fs resolution, focusing with <2 kT/m strength, compression to ~100 fs as well as real-time switching between these modes of operation. The STEAM device demonstrates the feasibility of THz-based electron accelerators, manipulators and diagnostic tools enabling science beyond current resolution frontiers with transformative impact.

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Franz X. Kärtner, Dongfang Zhang, Arya Fallahi, Michael Hemmer, Moein Fakhari, Yi Hua, Huseyin Cankaya, Anne-Laure Calendron, Xiaojun Wu, Luis E. Zapata, and Nicholas H. Matlis "Terahertz generation and acceleration", Proc. SPIE 10917, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XII, 109170I (1 March 2019); https://doi.org/10.1117/12.2517434

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