Towards intense ultra-broadband high repetition rate terahertz sources based on organic crystals

S Mansourzadeh, T Vogel, A Omar… - Optical Materials …, 2023 - opg.optica.org
Increasing the average power of broadband, few-cycle terahertz (THz) sources is currently a
topic of intense investigation, fueled by recent immense progress in high average power …

Nonlinear pulse compression of a 200 mJ and 1 kW ultrafast thin-disk amplifier

Y Pfaff, G Barbiero, M Rampp, S Klingebiel, J Brons… - Optics express, 2023 - opg.optica.org
We present a high-energy laser source consisting of an ultrafast thin-disk amplifier followed
by a nonlinear compression stage. At a repetition rate of 5 kHz, the drive laser provides a …

Terahertz spectroscopy of thick and diluted water solutions

F Novelli - Optics Express, 2024 - opg.optica.org
While bright terahertz sources are used to perform nonlinear experiments, they can be
advantageous for high-precision linear measurements of opaque samples. By placing the …

Efficient THz generation from low-temperature-grown GaAs photoconductive antennas driven by Yb-doped fiber amplifier at 200 kHz repetition rate

N Nilforoushan, C Kidd, A Fournier, J Palomo… - Applied Physics …, 2023 - pubs.aip.org
We demonstrate the generation of terahertz (THz) pulses with electric field strength reaching
34 kV/cm from low-temperature-grown GaAs (LT-GaAs) interdigitated photoconductive …

[HTML][HTML] Terahertz nanoscopy: Advances, challenges, and the road ahead

X Guo, K Bertling, BC Donose, M Brünig… - Applied Physics …, 2024 - pubs.aip.org
Exploring nanoscale material properties through light-matter interactions is essential to
unveil new phenomena and manipulate materials at the atomic level, paving the way for …

Performance of photoconductive receivers at 1030 nm excited by high average power THz pulses

T Vogel, S Mansourzadeh, U Nandi… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
In the last few years, many advances have been made in the demonstration of high-average
power pulsed THz sources; however, little effort has been made to study compatible …

Structural, electrical and optical studies on organic NLO single crystal of N‐benzyl‐2‐methyl‐4‐nitroaniline (BNA)

G Sathishkumar, M Lenin, T Gubendiran… - Vietnam Journal of …, 2023 - Wiley Online Library
Abstract The 2‐methyl‐4‐nitroaniline (NA) was converted into the raw material N‐benzyl‐2‐
methyl‐4‐nitroaniline (BNA), and the solubility of BNA in various organic solvents was …

Temperature-dependent THz properties and emission of organic crystal BNA

S Mansourzadeh, T Vogel, M Shalaby… - Optics Express, 2023 - opg.optica.org
As high-average power ultrafast lasers become increasingly available for nonlinear
conversion, the temperature dependence of the material properties of nonlinear crystals …

Efficient strong-field THz generation from DSTMS crystal pumped by 1030 nm Yb-laser

K Wang, ZR Zheng, HY Li, XZ Meng, Y Liu… - Applied Physics …, 2024 - pubs.aip.org
We report collinear strong-field terahertz (THz) generation from the organic crystal 4-N, N-
dimethlamino-4-N-methyl-stilbazolium 2, 4, 6-trimethyl benzenesulfonate (DSTMS), driven …

Optimized terahertz generation in BNA organic crystals with chirped Ti: sapphire laser pulses

H Chen, GQ Liao, HY Wu, HY Lei, JY Ruan, YY Wei… - Optics Letters, 2024 - opg.optica.org
We report on the efficient generation of intense terahertz radiation from the organic crystal N-
benzyl-2-methyl-4-nitroaniline pumped by chirped Ti: sapphire femtosecond laser pulses …