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@inproceedings{scarpine:ibic2021-tupp25, author = {V.E. Scarpine and R. Campos and N. Eddy and M. El Baz and B.J. Fellenz and T.W. Hamerla and J. Ruan and R.M. Thurman-Keup}, % author = {V.E. Scarpine and R. Campos and N. Eddy and M. El Baz and B.J. Fellenz and T.W. Hamerla and others}, % author = {V.E. Scarpine and others}, title = {{Beam Profile Measurements Utilizing an Amplitude Modulated Pulsed Fiber Laser at PIP2IT}}, booktitle = {Proc. IBIC'21}, pages = {268--271}, eid = {TUPP25}, language = {english}, keywords = {laser, linac, electron, background, vacuum}, venue = {Pohang, Rep. of Korea}, series = {International Beam Instrumentation Conference}, number = {10}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {10}, year = {2021}, issn = {2673-5350}, isbn = {978-3-95450-230-1}, doi = {10.18429/JACoW-IBIC2021-TUPP25}, url = {https://jacow.org/ibic2021/papers/tupp25.pdf}, note = {https://doi.org/10.18429/JACoW-IBIC2021-TUPP25}, abstract = {{Fermilab is undertaking the development of a new 800 MeV superconducting RF linac to replace its present normal conducting 400 MeV linac. The PIP-II linac consists of a warm front-end generating 2 mA of 2.1 MeV H⁻ followed immediately by a series of superconducting RF cryomodules to 800 MeV. To limit the potential damage to the superconducting RF cavities, PIP-II will utilize laser-based monitors to obtain beam profiles via photoionization. This paper will present the results of transverse and longitudinal beam profile measurements using a prototype profile monitor that was tested with 2.1 MeV H⁻ beam at the PIP-II Injector Test (PIP2IT) accelerator. This prototype profile monitor utilizes a high repetition rate fiber laser and fiber optic transport into the PIP2IT enclosure. In addition, results will be shown of narrow-band electron detection from amplitude modulated laser pulses.}}, }