Document creation date: March 10th 2023
Author: Jan-Christoph Deinert (HZDR)
with contributions from Hao Chu

GENERAL INFORMATION
Most of the datasets contained in this repository have been generated using the data acquisition (DAQ) system at the 
TELBE terahertz source at HZDR. The data contains timing and intensity information for every recorded shot
(pulse-resolved data acquisition). To generate easily readable data and to reduce file sizes the data was treated using 
LabView and Python programs written by the TELBE team members. These programs do (i) sort the data points using the timing signal,
and (ii) average the data with respect to time to reduce file size (binned files). The typical bin size was 50 fs.

For the data measured in 2019 we archive here the sorted data, without any binning/averaging.
The 2020 data are archived in binned form in the folders

"2020-02-07_files002-040_binned.zip"
"2020-02-08_files040-106_binned.zip"
"2020-02-09_files106-169_binned.zip"

More information on the measurement process and the DAQ system can be found here:
https://doi.org/10.1038/srep22256
https://dx.doi.org/10.1063/1.4978042
https://d-nb.info/1136021566/34

Further information can be obtained from Sergey Kovalev (s.kovalev@hzdr.de)
or Jan-Christoph Deinert (j.deinert@hzdr.de)

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DATASETS USED IN THE PUBLICATION

The measurements that are presented in the publication were measured during two beamtimes at the TELBE terahertz source:
1) August 2019
2) February 2020

The datasets are uniquely identified by their filename. Within each beamtime, datasets are numbered chronologically.
Filenames also include the date and time of the experiment. Filenumbers can appear multiple times, which indicates that 
the delay stage did the correponding number of loops of the respective measurement with otherwise identical parameters.
This repository contains the full datasets measured during the respective beamtimes. Not all of these datasets are
presented or used for the publication.


These are the file numbers for the datasets used to generate each individual figure:

Figure    beamtime  file number
Fig. 2a    2019-08    028
Fig. 2b    2020-02    111,117
Fig. 2c    Table-top data measured at PKU and located in the folder "PKU_Tabletop data.zip".

Fig. 3a    2020-02    157-169
Fig. 3b    2020-02    107-122
Fig. 3c    2019-08    023-055
Fig. 3d    2020-02    013-032
Fig. 3e    2019-08    table-top data measured at HZDR and located in the folder "Tabletop_data_HZDR_x=0.35".
Fig. 4ab  2020-02    062-082, 094-106, 107-122
Fig. 4cd  2020-02    013-032, 038-051

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