Optodynamic monitoring of laser tattoo removal

Boris Cencic; Ladislav Grad; Janez Mozina; Matija Jezersek

doi:10.1117/1.JBO.17.4.047003

11 April 2012 Optodynamic monitoring of laser tattoo removal

Boris Cencic, Ladislav Grad, Janez Mozina, Matija Jezersek

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Journal of Biomedical Optics, Vol. 17, Issue 4, 047003 (April 2012). https://doi.org/10.1117/1.JBO.17.4.047003

Abstract

The goal of this research is to use the information contained in the mechanisms occurring during the laser tattoo removal process. We simultaneously employed a laser-beam deflection probe (LBDP) to measure the shock wave and a camera to detect the plasma radiation, both originating from a high-intensity laser-pulse interaction with a tattoo. The experiments were performed in vitro (skin phantoms), ex vivo (marking tattoos on pig skin), and in vivo (professional and amateur decorative tattoos). The LBDP signal includes the information about the energy released during the interaction and indicates textural changes in the skin, which are specific for different skin and tattoo conditions. Using both sensors, we evaluated a measurement of threshold for skin damage and studied the effect of multiple pulses. In vivo results show that a prepulse reduces the interaction strength and that a single strong pulse produces better removal results.

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Boris Cencic, Ladislav Grad, Janez Mozina, and Matija Jezersek "Optodynamic monitoring of laser tattoo removal," Journal of Biomedical Optics 17(4), 047003 (11 April 2012). https://doi.org/10.1117/1.JBO.17.4.047003

Published: 11 April 2012

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Cited by 3 scholarly publications and 2 patents.

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KEYWORDS

Skin

Plasma

Cameras

Pulsed laser operation

In vivo imaging

Near infrared

Laser beam diagnostics

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