正交线偏振(lin⊥lin)相干双色光作为光源可以用于实现性能较好的相干布居囚禁(CPT)原子钟。研究了用外腔式激光器(ECDL)出射光对受到微波调制的纵腔面发射激光器(VCSEL)产生的多色激光+1级边带注入锁频,用主从锁频激光系统实现lin⊥lin准双色光束方案,进而研究了所获光束的特性以及与原子作用实现CPT共振的效果,获得一些有意义的结果。研究结果对于CPT原子钟研究有参考价值。 Coherent linear polarized (lin ⊥ Lin) coherent two-color light as a light source can be used to achieve better performance coherent population captivity (CPT) atomic clock. In this paper, we studied the injection of the multi-color laser with the first order sidebands by the cavity-modulated lasers (VCSELs) Quasi-bicolor beam scheme, and then study the characteristics of the beam obtained and the role of atomic CPT resonance effect obtained some meaningful results. The research results have reference value for CPT atomic clock research.