Characterization of the Percival detector with soft X-rays

Marras, Alessandro; Correa, Jonathan; Lange, Sabine; Vardanyan, Vahagn; Gerhardt, Tim; Kuhn, Manuela; Krivan, Frantisek; Shevyakov, Igor; Zimmer, Manfred; Hoesch, Moritz; Bagschik, Kai; Scholz, Frank; Guerrini, Nicola; Marsh, Ben; Sedgwick, Iain; Cautero, Giuseppe; Giuressi, Dario; Iztok, Gregori; Menk, Ralf H.; Scarcia, Martin; Stebel, Luigi; Nicholls, Tim; Nichols, William; Pedersen, Ulrik K.; Shikhaliev, Polad; Tartoni, Nicola; Hyun, HyoJung; Kim, SeongHan; Kim, KyungSook; Rah, SeungYu; Dawiec, Arkadiusz; Orsini, Fabienne; Pinaroli, Giovanni; Greer, Alan; Aplin, Steve; Jewell, April D.; Jones, Todd J.; Nikzad, Shouleh; Hoenk, Michael E.; Okrent, Frank; Graafsma, Heinz; Wunderer, Cornelia B.

2021

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Abstract

In this paper the back-side-illuminated Percival 2-Megapixel (P2M) detector is presented, along with its characterization by means of optical and X-ray photons. For the first time, the response of the system to soft X-rays (250 eV to 1 keV) is presented. The main performance parameters of the first detector are measured, assessing the capabilities in terms of noise, dynamic range and single-photon discrimination capability. Present limitations and coming improvements are discussed.