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@inproceedings{mai:ipac2021-thpab097, author = {C. Mai and B. Büsing and A. Held and S. Khan and D. Krieg}, title = {{Towards Arbitrary Pulse Shapes in the Terahertz Domain}}, booktitle = {Proc. IPAC'21}, pages = {3977--3979}, eid = {THPAB097}, language = {english}, keywords = {laser, electron, radiation, storage-ring, controls}, venue = {Campinas, SP, Brazil}, series = {International Particle Accelerator Conference}, number = {12}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {08}, year = {2021}, issn = {2673-5490}, isbn = {978-3-95450-214-1}, doi = {10.18429/JACoW-IPAC2021-THPAB097}, url = {https://jacow.org/ipac2021/papers/thpab097.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-THPAB097}, abstract = {{The TU Dortmund University operates the 1.5-GeV electron storage ring DELTA as a synchrotron light source in user operation and for accererator physics research. At a dedicated beamline, experiments with (sub-)THz radiation are carried out. Here, an interaction of short laser pulses with electron bunches is used to modulate the electron energy which causes the formation of a dip in the longitudinal electron density, giving rise to the coherent emission of radiation between 75 GHz and 6 THz. The standard mode of operation is the generation of broadband radiation. However, more sophisticated energy modulation schemes were implemented using a liquid-crystal phase modulator. Here, a modulation of the spectral phase of the laser is used to control the spectral shape of the THz pulses. The resulting THz spectra have a relative bandwidth of about 2 %. Measurement results from the different THz generation schemes are presented.}}, }