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基于开槽圆盘和螺旋转子的机械飞行时间滤波器用于测量纳米颗粒的速度。

Mechanical time-of-flight filter based on slotted disks and helical rotor for measurement of velocities of nanoparticles.

作者信息

Solař Pavel, Kousal Jaroslav, Hanuš Jan, Škorvánková Kateřina, Kuzminova Anna, Kylián Ondřej

机构信息

Department of Macromolecular Physics, Faculty of Mathematics and Physics, Charles University, Prague, 182 00, Czech Republic.

出版信息

Sci Rep. 2021 Mar 19;11(1):6415. doi: 10.1038/s41598-021-85533-7.

DOI:10.1038/s41598-021-85533-7
PMID:33742023
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7980000/
Abstract

A mechanical time-of-flight filter intended for measurement of velocities of nanoparticles exiting a gas aggregation source has been developed. Several configurations maximizing simplicity, throughput or resolution are suggested and investigated both theoretically and experimentally. It is shown that the data measured using such filters may be easily converted to the real velocity distribution with high precision. Furthermore, it is shown that properly designed filters allow for the monitoring of the velocity of nanoparticles even at the conditions with extremely low intensity of the nanoparticle beam.

摘要

已开发出一种用于测量从气体团聚源射出的纳米颗粒速度的机械飞行时间滤波器。提出了几种使简单性、通量或分辨率最大化的配置，并进行了理论和实验研究。结果表明，使用此类滤波器测量的数据可轻松高精度地转换为实际速度分布。此外，结果表明，设计合理的滤波器即使在纳米颗粒束强度极低的条件下也能监测纳米颗粒的速度。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/d165bab1e862/41598_2021_85533_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/2b013153d0cf/41598_2021_85533_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/944591f2791e/41598_2021_85533_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/7b8ac24fd877/41598_2021_85533_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/9241fc228314/41598_2021_85533_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/9ac9cf8eb2c4/41598_2021_85533_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/e59886367c47/41598_2021_85533_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/e34e509eef25/41598_2021_85533_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/d165bab1e862/41598_2021_85533_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/2b013153d0cf/41598_2021_85533_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/944591f2791e/41598_2021_85533_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/7b8ac24fd877/41598_2021_85533_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/9241fc228314/41598_2021_85533_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/9ac9cf8eb2c4/41598_2021_85533_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/e59886367c47/41598_2021_85533_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/e34e509eef25/41598_2021_85533_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e5ba/7980000/d165bab1e862/41598_2021_85533_Fig8_HTML.jpg

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