The Signal calculation involves variables that directly relate to the specifications of the sensor:

$$ s_{sensor} = A_{detector}\eta_{sensor}(\lambda)\Delta t $$

Where:

• $s_{sensor}$ [m2 electron s]: The factor of the signal calculation (used for the Signal-to-Noise calculation) that relates to the specifications of the sensor.
• $A_{detector}$ [m2]: Area of a singular detector element.
• $\eta_{sensor}(\lambda)$ [electron]: Quantum efficiency of sensor.
• $\Delta t$ [s]: Integration time.