Widely tunable passively Q-switched Er3+-doped ZrF4 fiber laser in the range of 3.4–3.7 μm based on a Fe2+:ZnSe crystal

Hongyu Luo; Jian Yang; Jianfeng Li; Yong Liu

doi:doi:10.1364/PRJ.7.001106

Photonics Research, 2019, 7 (9): 09001106, Published Online: Aug. 28, 2019

Widely tunable passively Q-switched Er³⁺-doped ZrF₄ fiber laser in the range of 3.4–3.7 μm based on a Fe²⁺:ZnSe crystal Download： 552次

Hongyu Luo Jian Yang Jianfeng Li ^*Yong Liu

Author Affiliations

State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, China

Figures & Tables

Fig. 1. Experimental setup of the Fe2+:ZnSe crystal passively Q-switched Er3+-doped ZrF4 fiber laser tunable around 3.5 μm. DM1–DM4, four DMs; L1–L6, six lenses.

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Fig. 2. Q-switched pulse train and single pulse waveform (inset) at different launched 1981 nm pump powers. (a) 2.24 W, (b) 2.78 W, (c) 4.19 W, and (d) 5.25 W. (Plaunched 976 nm=2.47 W.)

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Fig. 3. (a) Optical and (b) RF spectra at the launched 1981 nm pump power of 5.25 W. (Plaunched 976 nm=2.47 W.)

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Fig. 4. (a) Repetition rate and pulse width; (b) average power and pulse energy as functions of the launched 1981 nm pump power. (Plaunched 976 nm=2.47 W.)

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Fig. 5. Optical spectrum and output average power with the tuned wavelength. (Plaunched 1981 nm=5.25 W, Plaunched 976 nm=2.47 W.)

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Fig. 6. (a) Repetition rate and pulse width; (b) peak power and pulse energy as functions of the tuned wavelength. (Plaunched 1981 nm=5.25 W, Plaunched 976 nm=2.47 W.)

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Hongyu Luo, Jian Yang, Jianfeng Li, Yong Liu. Widely tunable passively Q-switched Er³⁺-doped ZrF₄ fiber laser in the range of 3.4–3.7 μm based on a Fe²⁺:ZnSe crystal[J]. Photonics Research, 2019, 7(9): 09001106.

Widely tunable passively Q-switched Er³⁺-doped ZrF₄ fiber laser in the range of 3.4–3.7 μm based on a Fe²⁺:ZnSe crystal Download： 552次

Fig. 1. Experimental setup of the Fe2+:ZnSe crystal passively Q-switched Er3+-doped ZrF4 fiber laser tunable around 3.5 μm. DM1–DM4, four DMs; L1–L6, six lenses.

Fig. 2. Q-switched pulse train and single pulse waveform (inset) at different launched 1981 nm pump powers. (a) 2.24 W, (b) 2.78 W, (c) 4.19 W, and (d) 5.25 W. (Plaunched 976 nm=2.47 W.)

Fig. 3. (a) Optical and (b) RF spectra at the launched 1981 nm pump power of 5.25 W. (Plaunched 976 nm=2.47 W.)

Fig. 4. (a) Repetition rate and pulse width; (b) average power and pulse energy as functions of the launched 1981 nm pump power. (Plaunched 976 nm=2.47 W.)

Fig. 5. Optical spectrum and output average power with the tuned wavelength. (Plaunched 1981 nm=5.25 W, Plaunched 976 nm=2.47 W.)

Fig. 6. (a) Repetition rate and pulse width; (b) peak power and pulse energy as functions of the tuned wavelength. (Plaunched 1981 nm=5.25 W, Plaunched 976 nm=2.47 W.)

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Widely tunable passively Q-switched Er3+-doped ZrF4 fiber laser in the range of 3.4–3.7 μm based on a Fe2+:ZnSe crystal Download： 552次

Fig. 1. Experimental setup of the Fe2+:ZnSe crystal passively Q-switched Er3+-doped ZrF4 fiber laser tunable around 3.5 μm. DM1–DM4, four DMs; L1–L6, six lenses.

Fig. 2. Q-switched pulse train and single pulse waveform (inset) at different launched 1981 nm pump powers. (a) 2.24 W, (b) 2.78 W, (c) 4.19 W, and (d) 5.25 W. (Plaunched 976 nm=2.47 W.)

Fig. 3. (a) Optical and (b) RF spectra at the launched 1981 nm pump power of 5.25 W. (Plaunched 976 nm=2.47 W.)

Fig. 4. (a) Repetition rate and pulse width; (b) average power and pulse energy as functions of the launched 1981 nm pump power. (Plaunched 976 nm=2.47 W.)

Fig. 5. Optical spectrum and output average power with the tuned wavelength. (Plaunched 1981 nm=5.25 W, Plaunched 976 nm=2.47 W.)

Fig. 6. (a) Repetition rate and pulse width; (b) peak power and pulse energy as functions of the tuned wavelength. (Plaunched 1981 nm=5.25 W, Plaunched 976 nm=2.47 W.)

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Widely tunable passively Q-switched Er³⁺-doped ZrF₄ fiber laser in the range of 3.4–3.7 μm based on a Fe²⁺:ZnSe crystal Download： 552次