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

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

19 Scopus citations

Abstract

We demonstrate a high-repetition-rate millijoule passively Q-switched eye-safe Nd:YVO ₄ 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.

Original language	English
Pages (from-to)	7625-7631
Number of pages	7
Journal	Optics Express
Volume	22
Issue number	7
DOIs	https://doi.org/10.1364/OE.22.007625
State	Published - 7 Apr 2014

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

abstract = " We demonstrate a high-repetition-rate millijoule passively Q-switched eye-safe Nd:YVO 4 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.",

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AU - Cho, C. Y.

AU - Chen, Y. C.

AU - Huang, Y. P.

AU - Huang, Y. J.

AU - Su, Kuan-Wei

AU - Chen, Yung-Fu

PY - 2014/4/7

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N2 - We demonstrate a high-repetition-rate millijoule passively Q-switched eye-safe Nd:YVO 4 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.

AB - We demonstrate a high-repetition-rate millijoule passively Q-switched eye-safe Nd:YVO 4 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.

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JO - Optics Express

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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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