Fig. 1. Structure diagram of cylindrical photoacoustic resonant cavity

Fig. 2. Simulation results of cylindrical photoacoustic resonant cavity. (a) Acoustic pressure; (b) acoustic pressure level; (c) frequency response curve; (d) fitting curve of frequency response

Fig. 3. Influence of asymmetrical layout of buffer chamber on acoustic pressure

Fig. 4. Influence of resonant cavity length and radius. (a) Characteristic frequency; (b) acoustic pressure

Fig. 5. Influence of buffer chamber length on characteristic frequency. (a) Resonance frequency of different length buffer chambers; (b) resonance frequency of different buffer chamber and resonant cavity length proportions

Fig. 6. Influence of buffer chamber length on acoustic pressure. (a) Acoustic pressure of different length buffer chambers; (b) acoustic pressure of different buffer chamber and resonant cavity length proportions

Fig. 7. Influence of buffer chamber length on quality factor