Analysis of four-dimensional Mie imaging using fiber-based endoscopes

Qingchun Lei, Yue Wu, Heng Xiao, Lin Ma

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


This work reports the demonstration and analysis of four-dimensional (4D) imaging measurements in two-phase flows using fiber-based endoscopes (FBEs). Such 4D measurements resolve the droplet distribution in two-phase flows in all three spatial directions and with a temporal resolution of up to 5 kHz. Demonstration measurements were performed in a measurement volume of 85 mm × 85 mm × 85 mm discretized into 64 × 64 × 64 voxels to illustrate FBEs' potential for facilitating practical implementation of 4D tomographic measurements. Mathematical analyses were performed to quantify the fundamental advantage of FBEs to enhance the reconstruction fidelity.

Original languageEnglish (US)
Pages (from-to)6389-6398
Number of pages10
JournalApplied Optics
Issue number28
StatePublished - Oct 1 2014

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