Fractional Laser Photothermolysis Using Bessel Beams

Overview

Journal Biomed Opt Express

Specialty Radiology

Date 2016 Dec 27

PMID 28018718

Citations 2

Authors

Charles Mignon

Aura Higuera Rodriguez

Jonathan A Palero

Babu Varghese

Martin Jurna

Affiliations

Soon will be listed here.

Abstract

Fractional photothermolysis uses lasers to generate a pattern of microscopic columnar thermal lesions within the skin stimulating collagen remodeling. In this paper we investigate the use of Bessel beams as an alternative to conventional Gaussian beams in creating laser photothermal lesions of different aspect ratios in skin. We show for the first time the improved photothermal lesion depth-to-diameter aspect ratio using Bessel beams in human skin as well as in numerical simulations using electric field Monte Carlo photon transport, finite difference methods and Arrhenius model. Bessel beams allow the creation of deep and narrow thermal lesions necessary for improved efficacy in fractional photothermolysis.

Citing Articles

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McMillan L, Reidt S, McNicol C, Barnard I, Macdonald M, Brown C J Biomed Opt. 2021; 26(9).

PMID: 34490761 PMC: 8421375. DOI: 10.1117/1.JBO.26.9.096004.

Shedding light on the variability of optical skin properties: finding a path towards more accurate prediction of light propagation in human cutaneous compartments.

Mignon C, Tobin D, Zeitouny M, Uzunbajakava N Biomed Opt Express. 2018; 9(2):852-872.

PMID: 29552418 PMC: 5854084. DOI: 10.1364/BOE.9.000852.

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