Fig. 1. Key technology development history of SiPM^[17-21]

Fig. 2. Schematic diagrams of the cross-section of new SiPM structures. (a) P-on-N structure^[22]; (b) RGB- SiPM structure^[27]; (c) EQR SiPM structure^[29]

Fig. 3. Analysis diagram of three working modes of SPAD

Fig. 4. Schematic of SiPM. (a) Traditional SiPM structure; (b) SiPM circuit array structure

Fig. 5. DSiPM circuit structure model^[39]

Fig. 6. Relationship network of main characteristic parameters of SiPM

Fig. 7. SiPM electrical test results under different light conditions^[41]. (a) I-V characteristic curves ; (b) derivative distribution of I-V characteristic curves

Fig. 8. Function of overvoltage and PDE of SiPM produced by different manufacturers at wavelength of 410 nm (HPK, Ketek, FBK and SensL) ^[42]

Fig. 9. SiPM noise schematics. (a) Schematic diagram of noise source; (b) noise waveform of SiPM^[42-43]

Fig. 10. SiPM ASIC schematics ^[45]. (a) Voltage mode readout; (b) current mode readout

Fig. 11. Research status of SiPM. (a) Application of SiPM in various fields; (b) comparison of statistics of published literature based on SiPM and PMT in the field of radiation detection in the past 20 years

Fig. 12. Structure diagram of SiPM-based neutron scintillation detector^[59]

Fig. 13. Typical TOF-PET cell structure diagram^[65]

Fig. 14. Application of SiPM in biosensing fluorescence detection^[69-70]