The development of an image processing algorithm for the precise monitoring of a laser-polymer interaction via third harmonic generation microscopy measurements

Tserevelakis, G. J., Selimis, A., Pitsios, Ioannis and Filippidis, G. 2013. The development of an image processing algorithm for the precise monitoring of a laser-polymer interaction via third harmonic generation microscopy measurements. Laser Physics 23 (12) , 126005. 10.1088/1054-660X/23/12/126005

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Abstract

Insight into the processes taking place upon ultraviolet (UV) laser ablation of polymers is of high importance. In this study, a new algorithm for the precise analysis of third harmonic generation (THG) images from irradiated polymers has been developed. In particular, high accuracy qualitative and quantitative morphological information concerning the induced swelling following UV laser irradiation has been obtained by employing the proposed algorithm. Furthermore, compensation for the curvature of the field, correction of the apparent depth distortion and delineation capability of the total swelling area at a high resolution has been achieved. The above advantages allow a precise and comprehensive monitoring (via the detection of THG signals) of the dynamics during the interaction of laser radiation with polymeric materials to an extent that is not possible with other standard techniques such as profilometry or electron microscopy.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Publisher:	MAIK Nauka/Interperiodica /IOP Publishing
ISSN:	1054-660X
Last Modified:	23 Jan 2020 04:20
URI:	https://orca.cardiff.ac.uk/id/eprint/110540

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