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Clinical Study for Assessing the Use of a Compact Vecsel-Based Yellow (590 Nm) Laser System in the Treatment of Vascular Lesions

The treatment of superficial vascular lesions on skin are among the most common sought-after dermatological laser procedures. The treatment method is based on the absorption of laser light by haemoglobin in blood, which results in the transfer of heat and wanted vessel wall damage. The yellow wavelength range is considered ideal for this purpose, because of the high absorption peak of haemoglobin around 577 nm. However, the yellow spectral range is challenging for any laser technology to produce, which is why there are only a few options on the market, notably the pulsed dye laser (PDL), resulting in limited and expensive treatments.