30.6 W CW Tm3+ fiber laser of seed amplification

Laser Physics - Tập 22 - Trang 1606-1609 - 2012
Y. Liu1, H. R. Wang1, W. H. Li1
1College of Power and Energy Engineering, Institute of Marin Engine Electronic Control Technology, Harbin Engineering University, Harbin, China

Tóm tắt

We use all fiber single-mode lasers as seed source, all fiber amplifiers and pump laser coupling amplifier has been experimentally investigated, respectively. The max output power of all fiber amplifier is 30.6 W, corresponding slope efficiency is 39.1%. The two setups, amplifier output laser spectrum finely holds the property of seed laser spectrum, the wavelength of output laser are both 1947.6 nm, the spectrum width is less than 2 nm as same as the wavelength of seed laser. We estimate the beam quality to be M 2 = 2.42, clearly indicating nearly diffraction-limited beam propagation.

Tài liệu tham khảo

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