标题： 探测器带宽和偏振切换速率：伯明翰太阳振荡网络（BiSON）对太阳的分光光度观测 显示英文标题

标题： Detector bandwidth and polarisation switching rates: spectrophotometric observations of the Sun by the Birmingham Solar Oscillations Network (BiSON)

摘要： 伯明翰太阳振荡网络（BiSON）观测太阳的声学振荡。 主要的噪声源是由地球大气的波动引起的，BiSON通过在交替的偏振状态下结合多个快速观测来减轻这种影响。 当前的设备使用定制的泡克尔斯效应细胞来选择偏振状态。 在这里，我们研究了一种替代的现成解决方案，即液晶延迟器，并讨论了性能差异的潜在影响。 我们通过光电二极管检测器的电气模拟以及对两种偏振装置的评估表明，尽管开关速度较慢，但现成的LCD延迟器可以作为定制泡克尔斯效应细胞的可行替代品。 使用现成组件带来的简化使得仪器部署更加容易和快速。 显示英文摘要

摘要： The Birmingham Solar Oscillations Network (BiSON) observes acoustic oscillations of the Sun. The dominant noise source is caused by fluctuations of Earth's atmosphere, and BiSON seeks to mitigate this effect by combining multiple rapid observations in alternating polarisation states. Current instrumentation uses bespoke Pockels-effect cells to select the polarisation state. Here, we investigate an alternative off-the-shelf solution, a liquid crystal retarder, and discuss the potential impact of differences in performance. We show through electrical simulation of the photodiode-based detectors, and assessment of both types of polarisation device, that although the switching rate is slower the off-the-shelf LCD retarder is a viable replacement for a bespoke Pockels-effect cell. The simplifications arising from the use of off-the-shelf components allows easier and quicker instrumentation deployment.