Wavelength-locked Tm:Y2O3 ceramic laser with a volume Bragg grating

Shiqiang Wang; Xuan Liu; Haitao Huang; Deyuan Shen

doi:10.1117/1.OE.58.2.026114

26 February 2019 Wavelength-locked Tm:Y₂O₃ ceramic laser with a volume Bragg grating

Shiqiang Wang, Xuan Liu, Haitao Huang, Deyuan Shen

Author Affiliations +

Optical Engineering, Vol. 58, Issue 2, 026114 (February 2019). https://doi.org/10.1117/1.OE.58.2.026114

Abstract

An 808-nm laser diode-pumped narrow line-width Tm : Y₂O₃ ceramic laser at 2059 nm was realized using volume Bragg grating (VBG) to provide a spectrally controlled feedback. The reflecting-VBG was used as a wavelength selector and a pump input mirror simultaneously. A maximum output power of 1.81 W with a slope efficiency of about 15.7% with respect to absorbed power was obtained. The central wavelength of the Tm : Y₂O₃ ceramic laser was locked at 2059.7 nm with an FWHM linewidth of 0.1 nm. Our work provides a cost-effective method for developing a 2-μm solid-state laser with good wavelength stability.

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Shiqiang Wang, Xuan Liu, Haitao Huang, and Deyuan Shen "Wavelength-locked Tm:Y₂O₃ ceramic laser with a volume Bragg grating," Optical Engineering 58(2), 026114 (26 February 2019). https://doi.org/10.1117/1.OE.58.2.026114

Received: 22 August 2018; Accepted: 11 February 2019; Published: 26 February 2019

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