High-speed phenomena visualization using digital holographic microscopy

Mona Mihailescu; Alina Georgiana Ilie; Julia Costescu; Oana Tatiana Nedelcu

doi:10.1117/12.922740

4 May 2012 High-speed phenomena visualization using digital holographic microscopy

Mona Mihailescu, Alina Georgiana Ilie, Julia Costescu, Oana Tatiana Nedelcu

Proceedings Volume 8430, Optical Micro- and Nanometrology IV; 84301F (2012) https://doi.org/10.1117/12.922740
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

Digital holographic microscopy is a technique which enables real time monitoring of fast phenomena by using high speed sensors of video cameras. Using this advantage, we obtain holographic images of flow in microcavities, employing a CMOS video camera sensor with acquisition rate of 10 000fps. The corresponding reconstructed 3D image for different flow conditions is obtained from a single hologram using simulations based on the Fresnel approximation. We develop an automated image processing procedure in order to obtain quantitative information about the dynamic contact angle evolution, the shape and velocity of an approximately 300μm wide portion from the water-air meniscus interface in different microscopic cavity geometries.

Citation Download Citation

Mona Mihailescu, Alina Georgiana Ilie, Julia Costescu, and Oana Tatiana Nedelcu "High-speed phenomena visualization using digital holographic microscopy", Proc. SPIE 8430, Optical Micro- and Nanometrology IV, 84301F (4 May 2012); https://doi.org/10.1117/12.922740

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