Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 18, issue 12
Articles | Volume 18, issue 12
https://doi.org/10.5194/amt-18-2739-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-18-2739-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 12
Research article
 | 
26 Jun 2025
Research article |  | 26 Jun 2025

Design of a wide-particle-size-range aerodynamic injection system with a new pre-focus structure

Junhong Huang, Lei Li, Xue Li, Zhengxu Huang, and Zhi Cheng

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Latest update: 26 Oct 2025
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Short summary
We developed a sampling system that extends the transmission range of the five-stage lens to 10 µm. This innovative design reduces the beam incidence angle and narrows the width. Using polystyrene latex spheres, we validated the high transmission efficiency. Additionally, a standard dust test demonstrated consistency with the aerodynamic particle sizer. This study introduces a novel design framework that not only enhances transmission range and efficiency but also supports instrument miniaturization.
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