Criterion for optimizing high-power acousto-optically Q-switched self-Raman yellow lasers with repetition rates up to 500 kHz

Yung-Fu Chen; K. Y. Chen; Y. C. Liu; C. M. Chen; C. H. Tsou; H. C. Liang

doi:10.1364/OL.390991

Criterion for optimizing high-power acousto-optically Q-switched self-Raman yellow lasers with repetition rates up to 500 kHz

Yung-Fu Chen^*, K. Y. Chen, Y. C. Liu, C. M. Chen, C. H. Tsou, H. C. Liang

^*Corresponding author for this work

Department of Electrophysics

Research output: Contribution to journal › Article

1 Scopus citations

Abstract

The criterion for optimizing the high-power acousto-optically Q-switched self-Raman yellow laser is originally explored for the repetition rate within 100-500 kHz. The minimum allowed value for the gate-open time is experimentally verified to be determined by the pulse buildup time. By using the minimum allowed gate-open time, the highest conversion efficiency can be achieved to raise the output power by approximately 20% in comparison with the conventional results. At a repetition rate of 200 kHz, the maximum output power at 588 nm can be up to 8.8 W at an incident pump power of 26 W. Furthermore, a practical formula is developed to accurately calculate the threshold pump power as a function of the gate-open time for a given repetition rate. (C) 2020 Optical Society of America

Original language	English
Pages (from-to)	1922-1925
Number of pages	4
Journal	Optics Letters
Volume	45
Issue number	7
DOIs	https://doi.org/10.1364/OL.390991
State	Published - 1 Apr 2020

Keywords

ND-YVO4 LASER
GENERATION

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10.1364/OL.390991

Cite this

Chen, Y-F., Chen, K. Y., Liu, Y. C., Chen, C. M., Tsou, C. H., & Liang, H. C. (2020). Criterion for optimizing high-power acousto-optically Q-switched self-Raman yellow lasers with repetition rates up to 500 kHz. Optics Letters, 45(7), 1922-1925. https://doi.org/10.1364/OL.390991

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abstract = "The criterion for optimizing the high-power acousto-optically Q-switched self-Raman yellow laser is originally explored for the repetition rate within 100-500 kHz. The minimum allowed value for the gate-open time is experimentally verified to be determined by the pulse buildup time. By using the minimum allowed gate-open time, the highest conversion efficiency can be achieved to raise the output power by approximately 20% in comparison with the conventional results. At a repetition rate of 200 kHz, the maximum output power at 588 nm can be up to 8.8 W at an incident pump power of 26 W. Furthermore, a practical formula is developed to accurately calculate the threshold pump power as a function of the gate-open time for a given repetition rate. (C) 2020 Optical Society of America",

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AU - Tsou, C. H.

AU - Liang, H. C.

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