Chemiluminescence Detection Method Using SiPM with Dedicated Readout Circuit

Paper presents the detection method of the chemiluminescence phenomenon using SiPM. Chemiluminescence phenomena is kind of luminescence which appears as a results of a chemical reaction and is used in many applications in a medicine, chemistry, biology, biotechnology, environmental protection. The readout electronics requires to measure a single photons and should be fast to distinguish overlapping signals generated by the chemiluminescence light. The front-endelectronics consists of preamplifier and fast shaper. It produces the pulses which peaking time for the single photon is equal to 3.6 ns and the FWHM is 3.8 ns. The performance of the detection method was verify with measurements of the chemiluminescence of luminol (it is used i.e.in the criminology to detect the traces of blood). The system is optimal to measure chemiluminescence. It generates low number of overlapping pulses and is accurate. The relationship between the light intensity and concentration of luminol is linear and have high r-squared parameter equal to 0.9995 and low 95% prediction intervals.