不合适的锁相放大导致饱和吸收光谱中的伪边峰
Artifact side peaks in saturated absorption spectroscopy caused by inappropriate lock-in amplification
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中文总结 AI 辅助
该研究针对饱和吸收光谱中不恰当使用锁相放大器产生伪边峰的问题，基于朗伯-比尔定律进行数值计算，重现了伪边峰并发现其随探测激光透射率降低而更显著，为避免结果误读提供依据。
中文摘要 AI 辅助
饱和吸收光谱是一种强大的技术，可提供关于气相原子靶的有价值信息，不仅包括跃迁的精确位置，还包括速度变化碰撞的影响，其表现为峰形的变化。然而，不恰当地使用锁相放大器会产生伪边峰，可能导致对结果的错误解读。为研究这些伪影的出现，我们基于基本朗伯-比尔定律进行了数值计算。我们的模型重现了伪边峰，并揭示出当探测激光的透射率降低时，这些伪影会变得更显著。
英文摘要
Saturated absorption spectroscopy is a powerful technique that provides valuable information about gas-phase atomic targets, including not only the precise positions of transitions but also the effects of velocity-changing collisions, which manifest as changes in the shape of the peaks. However, using a lock-in amplifier inappropriately can generate artifact side peaks, potentially leading to a misinterpretation of results. To investigate the emergence of these artifacts, we conducted numerical calculations based on the basic Lambert-Beer's law. Our model reproduced the artifact side peaks and revealed that these artifacts become more significant as the transmittance of the probe laser decreases.
