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Sub-nanosecond microchip oscillator for a MOPA system tailored for tattoo removal

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Author(s):
Catarina, Marcus Vinicius ; Bereczki, Allan ; Wetter, Niklaus Ursus ; IEEE
Total Authors: 4
Document type: Journal article
Source: 2023 INTERNATIONAL CONFERENCE ON OPTICAL MEMS AND NANOPHOTONICS, OMN AND SBFOTON INTERNATIONAL OPTICS AND PHOTONICS CONFERENCE, SBFOTON IOPC; v. N/A, p. 2-pg., 2023-01-01.
Abstract

In this work we study a microchip laser designed to function as an oscillator in a Master-Oscillator Power-Amplifier (MOPA) system targeted for laser tattoo removal. Different configurations of the Nd:YAG resonator were used by changing the output coupler mirror reflectivities and the initial transmission of the Q-switch. The quasi-CW resonator provided 55.4 W of output with 51.31% and 78.2% optical and slope efficiencies, respectively. For Q-switched operation, the best configuration resulted in a peak output power of 3.6 MW with 588 ps pulse width. (AU)

FAPESP's process: 21/11316-5 - Development of a nano-spectroscopic analysis (TERS, STM & n-Raman) of nanoplastics.
Grantee:Allan Bereczki
Support Opportunities: Scholarships in Brazil - Technical Training Program - Technical Training
FAPESP's process: 17/10765-5 - Highly efficient low threshold lasers in transparent and scattering media.
Grantee:Niklaus Ursus Wetter
Support Opportunities: Regular Research Grants