The PixFEL front-end for X-ray imaging in the radiation environment of next generation FELs

L. Ratti; D. Comotti; L. Fabris; M. Grassi; L. Lodola; P. Malcovati; M. Manghisoni; V. Re; G. Traversi; C. Vacchi; G. Batignani; S. Bettarini; G. Casarosa; F. Forti; F. Morsani; A. Paladini; E. Paoloni; G. Rizzo; M. A. Benkechkache; G. F. Dalla Betta; R. Mendicino; L. Pancheri; G. Verzellesi; H. Xu

doi:10.1109/NSSMIC.2017.8533009

The PixFEL front-end for X-ray imaging in the radiation environment of next generation FELs

L. Ratti, D. Comotti, L. Fabris, M. Grassi, L. Lodola, P. Malcovati, M. Manghisoni, V. Re, G. Traversi, C. Vacchi, G. Batignani, S. Bettarini, G. Casarosa, F. Forti, F. Morsani, A. Paladini, E. Paoloni, G. Rizzo, M. A. Benkechkache, G. F. Dalla BettaR. Mendicino, L. Pancheri, G. Verzellesi, H. Xu

Radiation Imaging and Advanced Diagnosti

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

In the framework of the PixFEL project, a processing channel for pixel sensor readout has been designed and fabricated in a 65 nm CMOS technology. The detector under development is aimed at applications to coherent X-ray diffraction imaging (CXDI) at the next generation free electron lasers (FELs). Especially in the detector region around the hole for the unscattered photon beam, pixels will be subjected to huge doses of ionizing radiation, in the order of tens of Grad(SiO ₂ , during their lifetime. The total ionizing dose (TID) for the frontend electronics, while significantly reduced by the shielding effect of the detector, is still expected to exceed one Grad(SiO ₂ . This paper investigates the performance degradation in the PixFEL readout circuit, in particular in the charge sensitive amplifier, after exposure to X-ray doses up to 100 Mrad(SiO ₂ .

Original language	English
Title of host publication	2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 - Conference Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781538622827
DOIs	https://doi.org/10.1109/NSSMIC.2017.8533009
State	Published - Nov 12 2018
Event	2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 - Atlanta, United States Duration: Oct 21 2017 → Oct 28 2017

Publication series

Name	2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 - Conference Proceedings

Conference

Conference	2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017
Country/Territory	United States
City	Atlanta
Period	10/21/17 → 10/28/17

Funding

ACKNOWLEDGMENT The research activity presented in this paper has been carried out in the framework of the PixFEL experiment funded by the Italian Institute for Nuclear Physics (INFN). The authors wish to thank Serena Mattiazzo, Devis Pantano and Mario Tessaro for making the X-ray sources available and for assisting during the irradiation procedure.

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Ratti, L., Comotti, D., Fabris, L., Grassi, M., Lodola, L., Malcovati, P., Manghisoni, M., Re, V., Traversi, G., Vacchi, C., Batignani, G., Bettarini, S., Casarosa, G., Forti, F., Morsani, F., Paladini, A., Paoloni, E., Rizzo, G., Benkechkache, M. A., ... Xu, H. (2018). The PixFEL front-end for X-ray imaging in the radiation environment of next generation FELs. In 2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 - Conference Proceedings Article 8533009 (2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 - Conference Proceedings). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/NSSMIC.2017.8533009

Ratti, L. ; Comotti, D. ; Fabris, L. et al. / The PixFEL front-end for X-ray imaging in the radiation environment of next generation FELs. 2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., 2018. (2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 - Conference Proceedings).

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title = "The PixFEL front-end for X-ray imaging in the radiation environment of next generation FELs",

abstract = " In the framework of the PixFEL project, a processing channel for pixel sensor readout has been designed and fabricated in a 65 nm CMOS technology. The detector under development is aimed at applications to coherent X-ray diffraction imaging (CXDI) at the next generation free electron lasers (FELs). Especially in the detector region around the hole for the unscattered photon beam, pixels will be subjected to huge doses of ionizing radiation, in the order of tens of Grad(SiO 2 , during their lifetime. The total ionizing dose (TID) for the frontend electronics, while significantly reduced by the shielding effect of the detector, is still expected to exceed one Grad(SiO 2 . This paper investigates the performance degradation in the PixFEL readout circuit, in particular in the charge sensitive amplifier, after exposure to X-ray doses up to 100 Mrad(SiO 2 .",

author = "L. Ratti and D. Comotti and L. Fabris and M. Grassi and L. Lodola and P. Malcovati and M. Manghisoni and V. Re and G. Traversi and C. Vacchi and G. Batignani and S. Bettarini and G. Casarosa and F. Forti and F. Morsani and A. Paladini and E. Paoloni and G. Rizzo and Benkechkache, {M. A.} and {Dalla Betta}, {G. F.} and R. Mendicino and L. Pancheri and G. Verzellesi and H. Xu",

note = "Publisher Copyright: {\textcopyright} 2017 IEEE.; 2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 ; Conference date: 21-10-2017 Through 28-10-2017",

year = "2018",

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doi = "10.1109/NSSMIC.2017.8533009",

language = "English",

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Ratti, L, Comotti, D, Fabris, L, Grassi, M, Lodola, L, Malcovati, P, Manghisoni, M, Re, V, Traversi, G, Vacchi, C, Batignani, G, Bettarini, S, Casarosa, G, Forti, F, Morsani, F, Paladini, A, Paoloni, E, Rizzo, G, Benkechkache, MA, Dalla Betta, GF, Mendicino, R, Pancheri, L, Verzellesi, G & Xu, H 2018, The PixFEL front-end for X-ray imaging in the radiation environment of next generation FELs. in 2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 - Conference Proceedings., 8533009, 2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 - Conference Proceedings, Institute of Electrical and Electronics Engineers Inc., 2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017, Atlanta, United States, 10/21/17. https://doi.org/10.1109/NSSMIC.2017.8533009

The PixFEL front-end for X-ray imaging in the radiation environment of next generation FELs. / Ratti, L.; Comotti, D.; Fabris, L. et al.
2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., 2018. 8533009 (2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 - Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Casarosa, G.

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AU - Morsani, F.

AU - Paladini, A.

AU - Paoloni, E.

AU - Rizzo, G.

AU - Benkechkache, M. A.

AU - Dalla Betta, G. F.

AU - Mendicino, R.

AU - Pancheri, L.

AU - Verzellesi, G.

AU - Xu, H.

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AB - In the framework of the PixFEL project, a processing channel for pixel sensor readout has been designed and fabricated in a 65 nm CMOS technology. The detector under development is aimed at applications to coherent X-ray diffraction imaging (CXDI) at the next generation free electron lasers (FELs). Especially in the detector region around the hole for the unscattered photon beam, pixels will be subjected to huge doses of ionizing radiation, in the order of tens of Grad(SiO 2 , during their lifetime. The total ionizing dose (TID) for the frontend electronics, while significantly reduced by the shielding effect of the detector, is still expected to exceed one Grad(SiO 2 . This paper investigates the performance degradation in the PixFEL readout circuit, in particular in the charge sensitive amplifier, after exposure to X-ray doses up to 100 Mrad(SiO 2 .

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Ratti L, Comotti D, Fabris L, Grassi M, Lodola L, Malcovati P et al. The PixFEL front-end for X-ray imaging in the radiation environment of next generation FELs. In 2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc. 2018. 8533009. (2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 - Conference Proceedings). doi: 10.1109/NSSMIC.2017.8533009

The PixFEL front-end for X-ray imaging in the radiation environment of next generation FELs

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