High-efficiency 1040 and 1078 nm laser emission of a Yb:Y<sub>2</sub>O<sub>3</sub> ceramic laser with 976 nm diode pumping

J. Kong; D. Y. Tang; C. C. Chan; J. Lu; K. Ueda; H. Yagi; T. Yanagitani

doi:10.1364/OL.32.000247

Optics Letters
Vol. 32,
Issue 3,
pp. 247-249
(2007)
•https://doi.org/10.1364/OL.32.000247

High-efficiency 1040 and $1078 nm$ laser emission of a $Yb : Y_{2} O_{3}$ ceramic laser with $976 nm$ diode pumping

J. Kong, D. Y. Tang, C. C. Chan, J. Lu, K. Ueda, H. Yagi, and T. Yanagitani

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J. Kong, D. Y. Tang, C. C. Chan, J. Lu, K. Ueda, H. Yagi, and T. Yanagitani, "High-efficiency 1040 and 1078 nm laser emission of a Yb:Y₂O₃ ceramic laser with 976 nm diode pumping," Opt. Lett. 32, 247-249 (2007)

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Abstract

We report a high-efficiency diode-end-pumped polycrystalline $Yb : Y_{2} O_{3}$ ceramic laser. Pumped by a $976 nm$ laser diode bar and with an absorbed pump power of $2.8 W$ , cw output power of $1.74 W$ at $1078 nm$ , and $0.73 W$ at $1040 nm$ were obtained. The slope efficiency was measured to be 82.4% for the $1078 nm$ laser emission and 57.1% for the $1040 nm$ laser emission.

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