Spectroscopic properties and laser operation of Yb3+ : SGYB crystal

Houping Xia; Qian Ma; Qiang Xu; Lei Zhao

doi:10.1117/1.OE.56.3.036103

2 March 2017 Spectroscopic properties and laser operation of Yb³⁺ : SGYB crystal

Houping Xia, Qian Ma, Qiang Xu, Lei Zhao

Author Affiliations +

Optical Engineering, Vol. 56, Issue 3, 036103 (March 2017). https://doi.org/10.1117/1.OE.56.3.036103

Abstract

A Sr3Yb0.1Gd0.2Y0.7(BO3)3 single crystal was grown by the Czochralski method. The crystal was evaluated by absorption, emission, and luminescence decay measurements. The relevant absorption and emission cross-sections as well as fluorescence lifetimes were calculated and compared. Studies showed that the existence of Gd3+ can lead to greater structural disorder and broaden the spectra of the crystal. Diode-pumped laser action of this crystal is demonstrated for the first time, and the best output power of 1.8 W with a slope efficiency of 75.8% was obtained. Dual-wavelength and three-wavelength oscillations were observed. Thus, this crystal is suitable for use as tunable or ultrashort laser mediums.

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Houping Xia, Qian Ma, Qiang Xu, and Lei Zhao "Spectroscopic properties and laser operation of Yb³⁺ : SGYB crystal," Optical Engineering 56(3), 036103 (2 March 2017). https://doi.org/10.1117/1.OE.56.3.036103

Received: 3 January 2017; Accepted: 14 February 2017; Published: 2 March 2017

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