21 research outputs found

    Dataset and simulation program for "Limitation of THz conversion efficiency in DSTMS pumped by intense femtosecond pulses"

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    - Raw experimental data of the measured THz and OPA spectra - Origin file with the experimentally measured THz conversion efficienbcy as a function of the OPA fluence - Matlab program for the simulation of the THz generation process in DSTM

    Data publication: Coherent phonon and unconventional carriers in the magnetic kagome metal Fe3Sn2

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    This data set presents the optical pump-probe traces of Fe3Sn2 as function of temperature and excitation fluence. It also shows initial data analysis with exponential fits, relaxation times and FFT calculations

    Data publication: Optical Kerr nonlinearity and multi-photon absorption of DSTMS measured by Z-scan method

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    Z-scan data (polarization dependent) Matlab scripts for the fitting and simulations FTIR transmission data ------------------------------------------ Center wavelength of OPA: 1430 nm FWHM duration of OPA pulses: 75 fs Pulse energy: 20 nJ thickness of DSTMS: 0.4 mm 'OA' means open aperture 'CA' meams close apertur

    High-field THz pulses from a GaAs photoconductive emitter for non-linear THz studies

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    This is the raw data related to the publication "High-field THz pulses from a GaAs photoconductive emitter for non-linear THz studies". The file "THzPowerMeasurement.xlsx" is manually noted THz power reading from the locking. It is used for Figs. 2(a&b). The file "005-PCA-60V_100mW.thz" is the THz time-domain data corresponding to Fig2 (c). The files "017******* to 027**********" are data corresponding to Figs 3(a&b). Plots in Figs. 4(b-d) are also calculated from these data files. The files "003-PCA-1mm.thz", "004-PCA-withoutAperture.thz", and "005-PCA-1point2mm.thz" are data used for THz spot diameter calculation

    Data publication: Ultrafast Relaxation Dynamics of Spin-Density Wave Order in BaFe2As2 under High Pressures

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    Raw pump-probe data for two Ba-122 DAC fillings used in the paper, photos of the samples inside the DAC, Matlab script for constructing the p-T plot of the SDW orde

    Data for "Gold implanted germanium photoswitch for cavity dumping of a free-electron laser"

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    Measurements were carried out in ELBE 113 c lab. Free electron laser (FEL) pulses with a wavelength ranging from 6 to 90 µm from the FELBE laser operating at its maximum power level were used. Photoswitching of Ge and Ge:Au samples were carried out using a 1 kHz Ti:Sapphire Amplifier system at 800 nm. The data used in the paper is arranged in subfolders 1, 2, and 3. The description is as follows 1. Scheme of the experiment (used in Figure 1 and shows the idea of the experiment) 2. FEL pulse picking traces from photoswitched Ge and Ge: Au samples were recorded using an oscilloscope with 1 GHz bandwidth (Keysight InfiniiVision DSOX4104A). Relevance: This data is used in Figures 2 and 3. This measurement showed the photoswitching attributes in both reflection and transmission geometry for the Ge and Ge: Au samples and suitability of Ge:Au sample for efficient cavity dumping. 3. Photoinduced reflectivity measurements for the Ge: Au sample as a function of the time delay between FEL pulses and the pulses from a kHz amplifier system is recorded. The fluence required to couple out FEL wavelengths with an efficiency of at least 50 % reflectivity and Matlab scripts used for simulation of photoinduced reflectivity for the same FEL wavelengths. Relevance: This data is used in Figure 4 and shows the fluence requirements of the Ge:Au photoswitch and also a faster recovery time of sub-ns, much shorter than the FEL pulsing period of 77ns

    Data for: High-bias-field operation of GaAs photoconductive terahertz emitters

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    Data file names start with the corresponding figure in the manuscript. For example- file "F1cd_velocity vs E_hs_Jan8.opju" means this data set is used to plot Fig. 1c and 1d (So, name start with F1cd_)
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