Experimental Analysis of Microparticle Elongation in the Optical Axis in Holographic Particle Measurement

The study focuses on the elongation of reconstructed microparticles in holographic particle measurement. We propose a theoretical formula for particle elongation that requires the determination of the coefficient 𝑚. Previously, the coefficient was set as 2 based on particle size distribution compari...

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Bibliographic Details
Published inAdvanced Experimental Mechanics Vol. 9; p. 24-0001
Main Authors MATSUSHI, Hiroki, NAKAI, Dai, TANAKA, Yohsuke
Format Journal Article
LanguageEnglish
Japanese
Published The Japanese Society for Experimental Mechanics 2024
Subjects
Depth resolution
Holographic particle measurement
Particle elongation
Reconstructed particle
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ISSN2189-4752
2424-175X
DOI10.11395/aem.24-0001

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Summary:The study focuses on the elongation of reconstructed microparticles in holographic particle measurement. We propose a theoretical formula for particle elongation that requires the determination of the coefficient 𝑚. Previously, the coefficient was set as 2 based on particle size distribution comparisons. However, its suitability computational for other diameters was unclear. We directly compare elongation from particle patterns printed on a glass plate with varying diameters to the theoretical formula. We found that 𝑚 is equal to 1, not 2. This finding is crucial for accurate holographic particle measurement.
ISSN:2189-4752
2424-175X
DOI:10.11395/aem.24-0001