Detectors: Difference between revisions
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The Hamamatsu VUV4 is used to detect H fluorescence. | The Hamamatsu VUV4 is used to detect H fluorescence. | ||
[[File:April 2017 VUV4-MPPC-HPK.pdf| | [[File:April 2017 VUV4-MPPC-HPK.pdf|frameless|Specifications]] | ||
The SiPM bias and the amplifier are powered by the so-called LoLX board | The SiPM bias and the amplifier are powered by the so-called LoLX board | ||
[[File:User Manual SiPM-FE-Rev1-A.pdf| | [[File:User Manual SiPM-FE-Rev1-A.pdf|frameless|SiPM power up]] | ||
The LoLX board is powered by a DC power supply. | The LoLX board is powered by a DC power supply. | ||
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Dark count rate from [https://arxiv.org/abs/1903.03663 this paper] | Dark count rate from [https://arxiv.org/abs/1903.03663 this paper] | ||
[[File:DCRvsTEMP.png| | [[File:DCRvsTEMP.png|800x800px|frameless|centre|Literature values DCR as a function on sensor temperature]] | ||
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The MCPs are biased by a custom made voltage divider. | The MCPs are biased by a custom made voltage divider. | ||
[[File:TBD| | [[File:TBD|800x800px|frameless|centre|Schematics]] | ||
Revision as of 22:00, 6 January 2026
SiPM
The Hamamatsu VUV4 is used to detect H fluorescence.
File:April 2017 VUV4-MPPC-HPK.pdf
The SiPM bias and the amplifier are powered by the so-called LoLX board
File:User Manual SiPM-FE-Rev1-A.pdf
The LoLX board is powered by a DC power supply.
File:HMC804x dat de en 3607-0169-3x v0200.pdf
Dark count rate from this paper
SiPM turn-on procedure
SiPM cooling procedure
MCP
Two InComm MCPs are used to detect H fluorescence.
The MCPs are biased by a custom made voltage divider.
The HV power supply is a CAEN DT5533EN
HV PS
Serial control:
`$ minicom -D /dev/ttyACM0`
[type "caen"]
the menu items can be accessed by typing the initials.