activity
20112023
most citedIntense THz source based on BNA organic crystal pumped at Ti:Sapphire wavelength

75 citations · 357 across the 25 of their papers we have counts for

collaborators

26 papers

physics.optics2023★ 6 cited

Temperature-Dependent THz Properties and Emission of Organic Crystal BNA

Samira Mansourzadeh, Tim Vogel, Mostafa Shalaby +1

As high-average power ultrafast lasers become increasingly available for nonlinear conversion, the temperature dependence of the material properties of nonlinear crystals becomes i…

physics.optics2022★ 38 cited

Broadband THz-TDS with 5.6 mW average power at 540 kHz using organic crystal BNA

Samira Mansourzadeh, Tim Vogel, Alan Omar +3

We demonstrate efficient optical rectification in the organic crystal BNA (N-benzyl-2-methyl-4-nitroaniline), driven by a temporally compressed, commercially available industrial Y…

physics.optics2021★ 1 cited

Efficient broadband THz generation in BNA organic crystal at Ytterbium laser wavelength

Hovan Lee, Claudia Gollner, Jiaqi Nie +3

In this work, we demonstrate BNAs high potential for efficient generation of high power THz using ytterbium laser wavelengths. We study the generation theoretically and experimenta…

cond-mat.mtrl-sci2021

Ab initio molecular dynamics modelling of organic crystal electro-optical properties

Hovan Lee, Rui Hou, Ding Pan +2

Molecular dynamics calculations were preformed on organic crystals 4-N,N-dimethylamino-4'-N'-methyl-stilbazolium tosylate (DAST) and 4-N,N-dimethylamino-4'-N'-methylstilbazolium 2,…

physics.optics2021

Milliwatt average power, MHz-repetition rate, broadband THz generation in organic crystal BNA with diamond substrate

Samira Mansourzadeh, Tim Vogel, Mostafa Shalaby +2

We demonstrate a 13.3 MHz repetition rate, broadband THz source with milliwatt-average power, obtained by collinear optical rectification of a high-power Yb-doped thin-disk laser i…

cond-mat.mtrl-sci2021

Ultrafast Electron Dynamics in Magnetic Thin Films

Hovan Lee, Cedric Weber, Manfred Fähnle +1

In past decades, ultrafast spin dynamics in magnetic systems have been associated with heat deposition from high energy laser pulses, limiting the selective access to spin order. H…