立方玻璃上Al2O3涂层原子蒸汽电池的老化试验。

Applied optics Pub Date : 2025-09-20 DOI:10.1364/AO.572036
Hyeonjae Kim, Taek Jeong, Sang Hyuk Hong, Jeong Bin Nam, Sangkyung Lee, Younghoon Lim, Sin Hyuk Yim
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引用次数: 0

摘要

对立方玻璃铷蒸汽电池进行了长期高温老化试验。采用电子束沉积的方法在立方玻璃电池的内表面涂覆Al2O3,其侧壁厚度为26.9 nm,底面厚度为63.8 nm。通过测量D1谱线的吸收光谱来监测铷数密度。根据比尔-朗伯定律,将实测谱与模拟谱进行了比较。在al2o3包覆的铷蒸气电池中,铷数密度保持不变的时间是未包覆铷蒸气电池的近4倍,然后下降的速度是未包覆铷蒸气电池的4.6倍。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Aging test of an atomic vapor cell with Al2O3 wall coating on cubic glass.

We conducted a long-term aging test at high temperature on cubic glass rubidium vapor cells. The inner surface of the cubic glass cell was coated with Al2O3 using electron beam deposition, resulting in a thickness of 26.9 nm on the side walls and 63.8 nm on the bottom surface. The rubidium number density was monitored by measuring the absorption spectrum of the D1 line. The measured spectrum was compared with a simulated profile based on the Beer-Lambert law. The rubidium number density in the Al2O3-coated rubidium vapor cell remained constant for nearly four times longer and then decreased 4.6 times more slowly than in the uncoated rubidium vapor cell.

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