Details

Autor(en) / Beteiligte

• Antamanova, E.V.
• Bearden, I.G.
• Garcia-Solis, E.J.
• Harton, A.V.
• Kaplin, V.A.
• Karavicheva, T.L.
• Klay, J.L.
• Melikyan, Yu.A.
• Serebryakov, D.V.
• Slupecki, M.
• Trzaska, W.H.

Titel

Anode current saturation of ALD-coated Planacon® MCP-PMTs

Ist Teil von

• Journal of instrumentation, 2018-09, Vol.13 (9), p.T09001-T09001

Ort / Verlag

Bristol: IOP Publishing

Erscheinungsjahr

2018

Link zum Volltext

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• We have measured and compared the characteristics of ALD-coated Planacon® MCP-PMTs (XP85112/A1-Q-L) with their non-ALD counterparts (XP85012/A1-Q). While the latter show excellent performance, the ALD-coated sensors have surprisingly low current saturation levels (∼ two orders of magnitude lower than expected) and extremely high gain recovery time (more than 7 orders of magnitude higher than expected). We suspect that these problems might be caused by the unexpected side-effects of the ALD process. To make a definite conclusion, more samples need to be tested, preferably from different production runs. If our observation were confirmed, it would mean a serious technological setback for ALD-coated MCP-PMTs.