High-power diode-pumped actively Q-switched Nd:YAG laser at 1123 nm

Yung-Fu Chen; Yu-Pin Lan; S. W. Tsai

doi:10.1016/j.optcom.2004.02.009

High-power diode-pumped actively Q-switched Nd:YAG laser at 1123 nm

Yung-Fu Chen^*, Yu-Pin Lan, S. W. Tsai

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

45 Scopus citations

Abstract

A high-power diode-pumped Nd:YAG laser at 1123 nm is acousto-optically Q-switched at a pulse repetition rate range of 5-20 kHz. Experimental results reveal that the resonator mirrors need to suppress parasitic oscillations on lines in the 1064 nm as well as 1319 nm regions for actively Q-switching operation. With an incident pump power of 19.2 W, the pulse energy increases from 0.15 mJ at 20 kHz to 0.4 mJ at 5 kHz. The highest peak power is up to 8.0 kW at 5 kHz. Furthermore, a conventional model of coupled rate equations is used to analyze the experimental data. The general agreement indicates that the simple model is adequate for a first order prediction of the low-gain laser characteristics.

Original language	English
Pages (from-to)	309-313
Number of pages	5
Journal	Optics Communications
Volume	234
Issue number	1-6
DOIs	https://doi.org/10.1016/j.optcom.2004.02.009
State	Published - 15 Apr 2004

Keywords

Acousto-optic Q-switching
Diode-pumped
Nd:YAG

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title = "High-power diode-pumped actively Q-switched Nd:YAG laser at 1123 nm",

abstract = "A high-power diode-pumped Nd:YAG laser at 1123 nm is acousto-optically Q-switched at a pulse repetition rate range of 5-20 kHz. Experimental results reveal that the resonator mirrors need to suppress parasitic oscillations on lines in the 1064 nm as well as 1319 nm regions for actively Q-switching operation. With an incident pump power of 19.2 W, the pulse energy increases from 0.15 mJ at 20 kHz to 0.4 mJ at 5 kHz. The highest peak power is up to 8.0 kW at 5 kHz. Furthermore, a conventional model of coupled rate equations is used to analyze the experimental data. The general agreement indicates that the simple model is adequate for a first order prediction of the low-gain laser characteristics.",

keywords = "Acousto-optic Q-switching, Diode-pumped, Nd:YAG",

author = "Yung-Fu Chen and Yu-Pin Lan and Tsai, {S. W.}",

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doi = "10.1016/j.optcom.2004.02.009",

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T1 - High-power diode-pumped actively Q-switched Nd:YAG laser at 1123 nm

AU - Chen, Yung-Fu

AU - Lan, Yu-Pin

AU - Tsai, S. W.

PY - 2004/4/15

Y1 - 2004/4/15

N2 - A high-power diode-pumped Nd:YAG laser at 1123 nm is acousto-optically Q-switched at a pulse repetition rate range of 5-20 kHz. Experimental results reveal that the resonator mirrors need to suppress parasitic oscillations on lines in the 1064 nm as well as 1319 nm regions for actively Q-switching operation. With an incident pump power of 19.2 W, the pulse energy increases from 0.15 mJ at 20 kHz to 0.4 mJ at 5 kHz. The highest peak power is up to 8.0 kW at 5 kHz. Furthermore, a conventional model of coupled rate equations is used to analyze the experimental data. The general agreement indicates that the simple model is adequate for a first order prediction of the low-gain laser characteristics.

AB - A high-power diode-pumped Nd:YAG laser at 1123 nm is acousto-optically Q-switched at a pulse repetition rate range of 5-20 kHz. Experimental results reveal that the resonator mirrors need to suppress parasitic oscillations on lines in the 1064 nm as well as 1319 nm regions for actively Q-switching operation. With an incident pump power of 19.2 W, the pulse energy increases from 0.15 mJ at 20 kHz to 0.4 mJ at 5 kHz. The highest peak power is up to 8.0 kW at 5 kHz. Furthermore, a conventional model of coupled rate equations is used to analyze the experimental data. The general agreement indicates that the simple model is adequate for a first order prediction of the low-gain laser characteristics.

KW - Acousto-optic Q-switching

KW - Diode-pumped

KW - Nd:YAG

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DO - 10.1016/j.optcom.2004.02.009

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