High-repetition-rate quasi-CW side-pumped mJ eye-safe laser with a monolithic KTP crystal for intracavity optical parametric oscillator

C. Y. Cho; Y. C. Chen; Y. P. Huang; Y. J. Huang; Kuan-Wei Su; Yung-Fu Chen

doi:10.1364/OE.22.007625

High-repetition-rate quasi-CW side-pumped mJ eye-safe laser with a monolithic KTP crystal for intracavity optical parametric oscillator

C. Y. Cho, Y. C. Chen, Y. P. Huang, Y. J. Huang, Kuan-Wei Su, Yung-Fu Chen

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19 引文斯高帕斯（Scopus）

摘要

We demonstrate a high-repetition-rate millijoule passively Q-switched eye-safe Nd:YVO₄ laser pumped by a quasi-CW diode stack. A theoretical analysis has been explored for the design criteria of generating TEM_n,₀ mode in the diode-stack directly side-pumping configuration. We successfully generate TEM_n,₀ modes at 1064 nm by adjusting the gain medium with respected to the laser axis. We further observe the spatial cleaning ability for generating an nearly TEM ₀,₀ mode output at 1573 nm with a monolithic OPO cavity. At the repetition rate up to 200 Hz, the output pulse energy reaches 1.21 mJ with the threshold pump energy of 17.9 mJ.

原文	English
頁（從 - 到）	7625-7631
頁數	7
期刊	Optics Express
卷	22
發行號	7
DOIs	https://doi.org/10.1364/OE.22.007625
出版狀態	Published - 7 4月 2014

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abstract = "We demonstrate a high-repetition-rate millijoule passively Q-switched eye-safe Nd:YVO4 laser pumped by a quasi-CW diode stack. A theoretical analysis has been explored for the design criteria of generating TEMn,0 mode in the diode-stack directly side-pumping configuration. We successfully generate TEMn,0 modes at 1064 nm by adjusting the gain medium with respected to the laser axis. We further observe the spatial cleaning ability for generating an nearly TEM 0,0 mode output at 1573 nm with a monolithic OPO cavity. At the repetition rate up to 200 Hz, the output pulse energy reaches 1.21 mJ with the threshold pump energy of 17.9 mJ.",

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AU - Su, Kuan-Wei

AU - Chen, Yung-Fu

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AB - We demonstrate a high-repetition-rate millijoule passively Q-switched eye-safe Nd:YVO4 laser pumped by a quasi-CW diode stack. A theoretical analysis has been explored for the design criteria of generating TEMn,0 mode in the diode-stack directly side-pumping configuration. We successfully generate TEMn,0 modes at 1064 nm by adjusting the gain medium with respected to the laser axis. We further observe the spatial cleaning ability for generating an nearly TEM 0,0 mode output at 1573 nm with a monolithic OPO cavity. At the repetition rate up to 200 Hz, the output pulse energy reaches 1.21 mJ with the threshold pump energy of 17.9 mJ.

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High-repetition-rate quasi-CW side-pumped mJ eye-safe laser with a monolithic KTP crystal for intracavity optical parametric oscillator

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