College Physics ›› 2025, Vol. 44 ›› Issue (8): 31-.doi: 10.16854/j.cnki.1000-0712.250266

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Discussion on thequality factor of resonant systems

  

  1. The Key Laboratory of Weak Light Non linear Photonics, Ministry of Education, School of Physics and 
    TEDA Institute of Applied Physics,Nankai University, Tianjin 30007, China
  • Received:2025-05-14 Revised:2025-05-29 Online:2025-11-03 Published:2025-11-11

Abstract: The quality factor, as a dimensionless parameter quantifying the energy storage efficiency relative to dissipation in resonant systems, holds extensive and profound application value across diverse domains including circuit resonators, optical microcavities, mechanical oscillators, and nonlinear dynamics.However, contemporary university physics curricula predominantly limit the presentation of quality factor to conceptual descriptions, lacking