Pattern-distortion technique: using liquid-lens magnification to extract volumes of individual droplets or bubbles within evaporating two-dimensional arrays

Kilbride, J.J. ORCID: 0000-0002-3699-6079, Fagg, K.E., Ouali, F.F. ORCID: 0000-0002-6530-6786 and Fairhurst, D.J. ORCID: 0000-0001-5311-0762, 2023. Pattern-distortion technique: using liquid-lens magnification to extract volumes of individual droplets or bubbles within evaporating two-dimensional arrays. Physical Review Applied, 19 (4): 044030. ISSN 2331-7019

[img]
Preview
Text
1750800_Fairhurst.pdf - Post-print

Download (4MB) | Preview

Abstract

We present an experimental "Pattern Distortion" technique which connects the shape of a liquid lens to its magnification. We demonstrate how to optimise the technique for arbitrary droplet sizes and optical configurations, and demonstrate its widespread utility in three distinct situations. Firstly we consider multiple sessile droplets. Although ubiquitous in nature, understanding of their complex interactions is limited, partly due to experimental limitations in determining individual droplet volumes for arbitrary configurations. We use the Pattern Distortion technique to overcome these limitations and find excellent agreement between our experimental data and three recent theoretical models. Secondly, we show how our technique can be used to inform the design of liquid lenses and thirdly we extend the method to composite droplets systems, using it to extract the size of an air bubble trapped inside a liquid droplet.

Item Type: Journal article
Publication Title: Physical Review Applied
Creators: Kilbride, J.J., Fagg, K.E., Ouali, F.F. and Fairhurst, D.J.
Publisher: American Physical Society (APS)
Date: April 2023
Volume: 19
Number: 4
ISSN: 2331-7019
Identifiers:
NumberType
10.1103/physrevapplied.19.044030DOI
1750800Other
Divisions: Schools > School of Science and Technology
Record created by: Laura Ward
Date Added: 17 Apr 2023 10:05
Last Modified: 17 Apr 2023 10:05
Related URLs:
URI: https://irep.ntu.ac.uk/id/eprint/48753

Actions (login required)

Edit View Edit View

Views

Views per month over past year

Downloads

Downloads per month over past year