Imaging micrometer-sized aerosol particles with digital holography

被引：6

作者：

Berg, Matthew J. ^{[1
]}

Jacquot, Justin ^{[2
]}

Harris, Jeremy m. ^{[2
]}

Shen, Xiaoli ^{[2
]}

机构：

[1] Kansas State Univ, Dept Phys, 1228 N Martin Luther King Jr Dr, Manhattan, KS 66502 USA

[2] Purdue Univ, Dept Earth Atmospher & Planetary Sci, W Lafayette, IN 47907 USA

来源：

OPTICS LETTERS | 2024年 / 49卷 / 10期

关键词：

IN-LINE;

D O I：

10.1364/OL.521772

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Small particles that are trapped, deposited, or otherwise fixed can be imaged by digital holography with a resolution approaching that of optical microscopy. When such particles are in motion as an aerosol, a comparable resolution is challenging to achieve. Using a simplified bi-telecentric lens system, we demonstrate that 1 mu m free-flowing aerosol particles can be imaged at the single-particle level using digital in-line holography. The imaging is demonstrated with an aerosol of 1 mu m polystyrene latex microspheres and a ragweed pollen aerosol.

引用

页码：2653 / 2656

页数：4

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