Main > Chinese Optics Letters >  Volume 17 >  Issue 2 >  Page 020006 > Article
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  • Received: Oct. 31, 2018

    Accepted: Dec. 14, 2018

    Posted: Feb. 14, 2019

    Published Online: Feb. 14, 2019

    The Author Email: Wenjun Liu (jungliu@bupt.edu.cn), Zhiyi Wei (zywei@iphy.ac.cn)

    DOI: 10.3788/COL201917.020006

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    Mengli Liu, Yuyi Ouyang, Huanran Hou, Wenjun Liu, Zhiyi Wei. Q-switched fiber laser operating at 1.5  μm based on WTe2[J]. Chinese Optics Letters, 2019, 17(2): 020006

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SEM images of (a) the WTe2 particles on the surface, and (b) the thickness of the WTe2.

Fig. 1. SEM images of (a) the WTe2 particles on the surface, and (b) the thickness of the WTe2.

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(a) Raman spectrum of prepared WTe2, and (b) the nonlinear absorption characteristics of the WTe2 SA.

Fig. 2. (a) Raman spectrum of prepared WTe2, and (b) the nonlinear absorption characteristics of the WTe2 SA.

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Experimental installation diagram of the proposed Q-switched EDF laser employing a taper fiber WTe2 SA.

Fig. 3. Experimental installation diagram of the proposed Q-switched EDF laser employing a taper fiber WTe2 SA.

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(a) Spectrum, (b) pulse duration, (c) oscilloscope traces under various pump powers, and (d) RF spectrum.

Fig. 4. (a) Spectrum, (b) pulse duration, (c) oscilloscope traces under various pump powers, and (d) RF spectrum.

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(a) Trend curves of pulse duration and repetition rate with power variation, and (b) trend curves of average output power and pulse energy with power variation.

Fig. 5. (a) Trend curves of pulse duration and repetition rate with power variation, and (b) trend curves of average output power and pulse energy with power variation.

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