分析发现，对等离子体的有效约束是提高动量耦合系数的主要原因。
It is found that effectively confined plasma expansion is the main reason for the enhancement of the momentum-coupling coefficient.
实验测得的动量耦合系数和能量转换效率均随脉冲宽度的减小而增大。
It is found that both the momentum coupling efficiency and the overall energy conversion efficiency from light energy to kinetic energy are greater for shorter laser pulses.
实验中还发现，金属小球和非金属小球的动量耦合系数随脉冲焦斑直径的变化趋势完全不同。
It is also evident that for metallic and non-metallic microbeads the momentum coupling efficiency has different variation tendencies versus the focused beam spot diameter.
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