Fig. 1. The schematic diagram of Raman sideband effect.拉曼光边带效应示意图

Fig. 2. The influence of laser systems with and without sidebands on the measured results of cold atom gravimeter有无拉曼边带效应对冷原子重力仪测量结果的影响

Fig. 3. Measurements of the gravity changes as a function of at two different positions of Raman retro-reflection mirror. Red and green scatters are the experimental data of the position of 41.50 cm and 40.58 cm respectively. 不同拉曼光反射镜位置重力测量值随 的变化. 实心三角形: z_M = 41.50 cm的实验数据; 实心正方形: z_M = 40.58 cm的实验数据

Fig. 4. Measurements of the functions of gravity changes as different when the positions of Raman retro-reflection mirror are the same. Different colors denote the experimental data measured at different days. 相同拉曼光反射镜位置下多次测量重力值随 的变化关系. 不同颜色代表不同天的测量数据

Fig. 5. The measured gravity changes as a function of . 重力测量值随 的变化关系

Fig. 6. The gravity variations with the changes of the detuning of Raman laser. Red dots: the experimental data; Red line: the linear fitted curve.重力测量值随拉曼光失谐 的变化. 红圆点: 实验数据; 红线: 线性拟合曲线

Fig. 7. The gravity variations as a function of the positions of Raman resonant peak. (a) With sidebands effect; (b) without sidebands effect. Round scatters: the experimental data; Black line: the linear fitted curve.重力测量值随拉曼共振峰位置的变化　(a) 有边带效应; (b) 无边带效应; 圆散点: 实验数据; 黑线: 线性拟合曲线

Fig. 8. The influence of different configurations of Raman pulses sequence on the measurement of gravity. (a) The case with sidebands effect; (b) the case without sidebands effect.不同拉曼脉冲配置对重力测量的影响　(a)有边带效应情况; (b)无边带效应情况

Fig. 9. Measurements of the gravity as a function of the detunings of Raman laser at the different positions of Raman retro-reflection mirror. red and black scatters are the experimental data for two different heights 41.50 cm and 40.58 cm respectively; Red and black lines are the corresponding fitted curves.不同拉曼光反射镜位置重力测量值随拉曼光失谐的变化. 红点和黑点分别是41.50 和40.58 cm两个竖直位置下的实验数据, 红色和黑色直线分别是其线性拟合曲线

Fig. 10. The measured gravity as a function of the detunings of Raman laser with different t₀. The black dots: t₀ = 8 ms; The red triangle: t₀ = 11 ms; the blue square: t₀ = 17 ms. 不同t₀下重力测量值随拉曼光大失谐Δ的变化. 黑圆点: t₀ = 8 ms; 红三角: t₀ = 11 ms; 蓝方块: t₀ = 17 ms