Implementation of uniform beam shape of medical picosecond laser for effective treatment

Ji-Young Lee; Han-Young Ryu; Young-Seok Seo

doi:10.1117/12.3006292

12 March 2024 Implementation of uniform beam shape of medical picosecond laser for effective treatment

Ji-Young Lee, Han-Young Ryu, Young-Seok Seo

Proceedings Volume 12864, Solid State Lasers XXXIII: Technology and Devices; 1286412 (2024) https://doi.org/10.1117/12.3006292
Event: SPIE LASE, 2024, San Francisco, California, United States

Conference Poster

Abstract

In the case of the medical lasers used for skin diseases and skin beauty, picosecond lasers with pulse durations of hundreds of picoseconds are mainly used. The picosecond laser breaks the pigment of the lesion into small pieces, enabling effective treatment without damaging the surrounding tissue. In the case, the beam profile is important because the laser must be uniformly irradiated to the desired area. In this paper, in order to obtain a uniform beam profile, the size of Nd:YAG Rod, which is a laser gain medium for each amplification stages, is different, and cap is used for the pre amplification stage. In addition, a beam shape compensator with an aspherical lens at the front of the handpiece was designed to realize a uniform beam in all handpieces.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Ji-Young Lee, Han-Young Ryu, and Young-Seok Seo "Implementation of uniform beam shape of medical picosecond laser for effective treatment", Proc. SPIE 12864, Solid State Lasers XXXIII: Technology and Devices, 1286412 (12 March 2024); https://doi.org/10.1117/12.3006292

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