Hello everyone, good time. If we suppose that the sensitivity of the NIR CCD sensor for the signal is S(v) (for X(watt) received power on CCD): *** S(v) = Number of incident photons × QE × Sv (CCD node sensitivity) 1. For determining the required sensitivity of the sensor, this sensitivity is compared to the sensitivity of CCD for noises (N(v))... (noises = read noise+shot noise+dark noise)? 2. Does the total MTF of the system must be considered for the calculation of noises in practice? 3. Is S(v) > N(v) is a good indicator (most important indicator for the low light environment and low received power on CCD) for choosing the NIR CCD for laser active imaging system? Thank you very much for your attention.