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teamc2024 [2024/03/05 02:28] – [Details of measurements] nuiciseteamc2024 [2024/03/05 02:38] (current) – [Details of measurements] nuicise
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       * Due to some electric RF noise, we may want to operate at higher voltage to get more gain, allowing us to set up higher threshold to remove the electric RF noise       * Due to some electric RF noise, we may want to operate at higher voltage to get more gain, allowing us to set up higher threshold to remove the electric RF noise
     * Rising time and falling time measurement: it's better with LED, to reduce the effect of the electric noise     * Rising time and falling time measurement: it's better with LED, to reduce the effect of the electric noise
 +    * Sensitivity: lower down the light intensity 
 +    * Dynamic range: increasing the light intensity and measure the intensity 
   - Spectra measurement of the white LED    - Spectra measurement of the white LED 
     - Observe with diffraction grating with high intensity/ take photo with camera (eg. smartphone)     - Observe with diffraction grating with high intensity/ take photo with camera (eg. smartphone)
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       - FGL570nm       - FGL570nm
   - Cosmic ray measurement   - Cosmic ray measurement
 +   * Using scintillator cube/ (1) one cube (2) two cube, one to read with PMTs, one to read with MPPC; for MPPC, one can use wavelength shifting fiber
 +   * How many photons are collected by MPPC/WLS and how many collected by PMT?
 ===== Important notes ===== ===== Important notes =====
   * PMT voltage supply <15V and for gain control <1V   * PMT voltage supply <15V and for gain control <1V
teamc2024.1709630886.txt.gz · Last modified: 2024/03/05 02:28 by nuicise