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Título

Development of a tabletop setup for the transient current technique using two-photon absorption in silicon particle detectors

AutorWiehe, Moritz; Fernández-García, Marcos CSIC ORCID ; Moll, Michael; Montero Santos, Raúl; Palomo, Francisco Rogelio; Vila, Iván CSIC ORCID; Muñoz-Marco, Héctor; Otgon, Viorel; Pérez-Millán, Pere
Palabras claveFemtosecond laser
Radiation hardness
Silicon detectors
Transient current technique
Two-photon absorption
Fecha de publicación2021
EditorInstitute of Electrical and Electronics Engineers
CitaciónIEEE Transactions on Nuclear Science 68(2): 220-228 (2021)
ResumenThe transient current technique (TCT) is widely used in the field of silicon particle detector development. So far, only laser wavelengths with a photon energy larger than or similar to the silicon bandgap (single photon absorption) were used. Recently, measurements using two-photon absorption (TPA) for silicon detector testing have been carried out for the first time. Excess carriers are only created at the focal point of the laser beam and thus resolution in all three spatial directions could be achieved. The resolution perpendicular to the incident laser beam could be increased roughly by a factor of 10. First measurements using this new method were performed at the Singular Laser Facility of Universidad del País Vasco (UPV)/Euskal Herriko Unibertzitatea (EHU). Following the initial success of the method, a compact TPA-TCT setup is under development. A first description of the setup and laser system is presented in this article.
Versión del editorhttps://doi.org/10.1109/TNS.2020.3044489
URIhttp://hdl.handle.net/10261/260141
DOI10.1109/TNS.2020.3044489
E-ISSN1558-1578
Aparece en las colecciones: (IFCA) Artículos




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