Surg Cosmet Dermatol. 2024;16(0):1-7
INTRODUCTION: The use of potassium titanyl phosphate (KTP) crystals for second-harmonic generation of 532nm waves from a 1064nm source is presented as a more efficient method for removing residual tattoo pigments with lasers. It is crucial to measure the actual performance of the available technologies on the market, which has not been done to date.
OBJECTIVE: To assess the performance of laser systems available on the Brazilian market by measuring the amount of energy from the fundamental wavelength (1064nm) that is effectively converted to 532nm.
METHODS: The 532nm wavelength was measured on Etherea MX, Spectra XT, Inkie, Ladybug and Deltalight equipment using the metrological standard of the National Institute of Metrology of China, model NIM-1000
RESULTS: The results were unsatisfactory for most of the analyzed systems.
CONCLUSIONS: The findings suggest potential photonic design flaws in the equipment and methodological deficiencies in the conformity assessment by product certification bodies, compromising the desired clinical outcomes.
Keywords: Lasers; Solid-State; Coloring Agents; Tattoo Removal; Lasers, Dye.
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