Ramsey-CPT spectrum with the Faraday effect and its application to atomic clocks*
Tian Yuana), Tan Bo-Zhongc), Yang Jingb), Zhang Yib), Gu Si-Honga),b),c)†
       
Ramsey-CPT spectra obtained from the FRC (dashed line) and NFRC (solid line) schemes. The total incident intensity is 1.6 mW/cm2 and B = 6 μT. There is a 10-fold variation between the ratios of amplitude of the central Ramsey-CPT fringe to background for the two schemes.