Engineering of Ti:Sapphire Lasers for Dermatology and Aesthetic Medicine

This review describes new engineering solutions for Ti:Sapphire lasers obtained at Laseroptek during the development of laser devices for dermatology and aesthetic medicine. The first device, PALLAS, produces 311 nm radiation by the third harmonic generation of a Ti:Sapphire laser, which possesses s...

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Autores principales:	Aleksandr Tarasov, Hong Chu
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	solid-state lasers Ti:Sapphire lasers tunable lasers subnanosecond lasers induced scattering in crystals Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/4b629b72c0d848968dcf7b728c84a5f8
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spelling	oai:doaj.org-article:4b629b72c0d848968dcf7b728c84a5f82021-11-25T16:31:00ZEngineering of Ti:Sapphire Lasers for Dermatology and Aesthetic Medicine10.3390/app1122105392076-3417https://doaj.org/article/4b629b72c0d848968dcf7b728c84a5f82021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/22/10539https://doaj.org/toc/2076-3417This review describes new engineering solutions for Ti:Sapphire lasers obtained at Laseroptek during the development of laser devices for dermatology and aesthetic medicine. The first device, PALLAS, produces 311 nm radiation by the third harmonic generation of a Ti:Sapphire laser, which possesses similar characteristics to excimer laser-based medical devices for skin treatments. In comparison to excimer lasers, Ti:Sapphire laser services are less expensive, which can save ~10% per year for customers compared to initial excimer laser costs. Here, the required characteristics were obtained due to the application of a new type of diffraction grating for spectral selection. The second device, HELIOS-4, based on the Ti:Sapphire laser, produces 300 mJ, 0.5 ns pulses at 785 nm for tattoo removal. The characteristics of HELIOS-4 exceed those of other tattoo removal laser devices represented in the medical market, despite a simple and inexpensive technical solution. The development of the last laser required the detailed study of a generation process and the investigation of the factors responsible for the synchronization of the generation in Ti:Sapphire lasers with short (several millimeters) cavities. The mechanism that can explain the synchronization in such lasers is suggested. Experiments for the confirmation of this concept are conducted and analyzed.Aleksandr TarasovHong ChuMDPI AGarticlesolid-state lasersTi:Sapphire laserstunable laserssubnanosecond lasersinduced scattering in crystalsTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 10539, p 10539 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	solid-state lasers Ti:Sapphire lasers tunable lasers subnanosecond lasers induced scattering in crystals Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
spellingShingle	solid-state lasers Ti:Sapphire lasers tunable lasers subnanosecond lasers induced scattering in crystals Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 Aleksandr Tarasov Hong Chu Engineering of Ti:Sapphire Lasers for Dermatology and Aesthetic Medicine
description	This review describes new engineering solutions for Ti:Sapphire lasers obtained at Laseroptek during the development of laser devices for dermatology and aesthetic medicine. The first device, PALLAS, produces 311 nm radiation by the third harmonic generation of a Ti:Sapphire laser, which possesses similar characteristics to excimer laser-based medical devices for skin treatments. In comparison to excimer lasers, Ti:Sapphire laser services are less expensive, which can save ~10% per year for customers compared to initial excimer laser costs. Here, the required characteristics were obtained due to the application of a new type of diffraction grating for spectral selection. The second device, HELIOS-4, based on the Ti:Sapphire laser, produces 300 mJ, 0.5 ns pulses at 785 nm for tattoo removal. The characteristics of HELIOS-4 exceed those of other tattoo removal laser devices represented in the medical market, despite a simple and inexpensive technical solution. The development of the last laser required the detailed study of a generation process and the investigation of the factors responsible for the synchronization of the generation in Ti:Sapphire lasers with short (several millimeters) cavities. The mechanism that can explain the synchronization in such lasers is suggested. Experiments for the confirmation of this concept are conducted and analyzed.
format	article
author	Aleksandr Tarasov Hong Chu
author_facet	Aleksandr Tarasov Hong Chu
author_sort	Aleksandr Tarasov
title	Engineering of Ti:Sapphire Lasers for Dermatology and Aesthetic Medicine
title_short	Engineering of Ti:Sapphire Lasers for Dermatology and Aesthetic Medicine
title_full	Engineering of Ti:Sapphire Lasers for Dermatology and Aesthetic Medicine
title_fullStr	Engineering of Ti:Sapphire Lasers for Dermatology and Aesthetic Medicine
title_full_unstemmed	Engineering of Ti:Sapphire Lasers for Dermatology and Aesthetic Medicine
title_sort	engineering of ti:sapphire lasers for dermatology and aesthetic medicine
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/4b629b72c0d848968dcf7b728c84a5f8
work_keys_str_mv	AT aleksandrtarasov engineeringoftisapphirelasersfordermatologyandaestheticmedicine AT hongchu engineeringoftisapphirelasersfordermatologyandaestheticmedicine
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Engineering of Ti:Sapphire Lasers for Dermatology and Aesthetic Medicine

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