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February 22, 2023PhotoacousticsOpen Access

Highly sensitive photoacoustic acetylene detection based on differential photoacoustic cell with retro-reflection-cavity

Chu Zhang Shunda Qiao Yufei Ma

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Abstract

-PAS sensor based on retro-reflection-cavity-enhanced DPAC had a 3.55 times improvement compared to the system without the retro-reflection-cavity. An Allan deviation analysis was performed to investigate the long-term stability of the system. The minimum detection limit (MDL) was measured to be 15.81 ppb with an integration time of 100 s.

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Zhang et al. (2023) studied this question.

synapsesocial.com/papers/6a00e70ce4618ba4162dc4f0 https://doi.org/10.1016/j.pacs.2023.100467

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