Laser‐driven strong‐field terahertz sources

JA Fülöp, S Tzortzakis… - Advanced Optical Materials, 2020 - Wiley Online Library
A review on the recent development of intense laser‐driven terahertz (THz) sources is
provided here. The technologies discussed include various types of sources based on …

Segmented terahertz electron accelerator and manipulator (STEAM)

D Zhang, A Fallahi, M Hemmer, X Wu, M Fakhari… - Nature …, 2018 - nature.com
Acceleration and manipulation of electron bunches underlie most electron and X-ray
devices used for ultrafast imaging and spectroscopy. New terahertz-driven concepts offer …

Terahertz-driven linear electron acceleration

EA Nanni, WR Huang, KH Hong, K Ravi… - Nature …, 2015 - nature.com
The cost, size and availability of electron accelerators are dominated by the achievable
accelerating gradient. Conventional high-brightness radio-frequency accelerating structures …

Efficient generation of THz pulses with 0.4 mJ energy

JA Fülöp, Z Ollmann, C Lombosi, C Skrobol… - Optics express, 2014 - opg.optica.org
Efficient generation of THz pulses with high energy was demonstrated by optical rectification
of 785-fs laser pulses in lithium niobate using tilted-pulse-front pum**. The enhancement …

Compact electron acceleration and bunch compression in THz waveguides

LJ Wong, A Fallahi, FX Kärtner - Optics express, 2013 - opg.optica.org
We numerically investigate the acceleration and bunch compression capabilities of 20 mJ,
0.6 THz-centered coherent terahertz pulses in optimized metallic dielectric-loaded …

Highly efficient scalable monolithic semiconductor terahertz pulse source

JA Fülöp, G Polónyi, B Monoszlai, G Andriukaitis… - Optica, 2016 - opg.optica.org
Intense pulses at low terahertz (THz) frequencies of 0.1–2 THz are an enabling tool for
constructing compact particle accelerators and for strong-field control of matter. Optical …

Terahertz generation in lithium niobate driven by Ti: sapphire laser pulses and its limitations

X Wu, S Carbajo, K Ravi, F Ahr, G Cirmi, Y Zhou… - Optics letters, 2014 - opg.optica.org
We experimentally investigate the limits of 800-nm-to-terahertz (THz) energy conversion in
lithium niobate at room temperature driven by amplified Ti: sapphire laser pulses with tilted …

Femtosecond phase control in high-field terahertz-driven ultrafast electron sources

D Zhang, A Fallahi, M Hemmer, H Ye, M Fakhari, Y Hua… - Optica, 2019 - opg.optica.org
Terahertz-based electron acceleration has recently emerged as a promising candidate for
driving next-generation high-brightness electron sources. Although initial demonstrations …

Toward a terahertz-driven electron gun

WR Huang, EA Nanni, K Ravi, KH Hong, A Fallahi… - Scientific reports, 2015 - nature.com
Femtosecond electron bunches with keV energies and eV energy spread are needed by
condensed matter physicists to resolve state transitions in carbon nanotubes, molecular …

Nonlinear distortion of intense THz beams

C Lombosi, G Polónyi, M Mechler… - New Journal of …, 2015 - iopscience.iop.org
Near-and far-field beam profiles were measured for THz pulses generated in LiNbO 3 by
optical rectification of 200 fs pulses with a tilted pulse front. The variation of the THz beam …