讨论了强相干激光场驱动下的内腔三能级原子的共振荧光谱。与自由空间情况相比，内腔谱从共振峰为中心向内压缩或向外扩张，但谱线的线型、线党和强度没有变化。共振峰的线型取决于原子与驱动场之间的失谐程度。文中还就谱线特征的形成原因作了分析。

The resonance fluorescence from an intracavity three-level atom driven by two coherent lasers are discussed. Compared with the case in the free space, the spectrum in the cavity is squeezed towards or expands outwards the resonant peak, but the type,width and strength of each spectral line remains the same. The line type of the resonant peak is determined only by the detuning between the atom and driving fields. The origination of the spectral features are analyzed.