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Chinese Optics Letters, Volume. 16, Issue 2, 020013(2018)

Graphene oxide for diode-pumped Tm:YLF passively Q-switched laser at 2 μm

Yuqian Zu1, Cheng Zhang1, Yongjing Wu1, Jingjing Liu1, Jie Liu1,2、*, and Yonggang Wang3
Author Affiliations
  • 1Shandong Provincial Key Laboratory of Optics and Photonic Device, School of Physics and Electronics, Shandong Normal University, Jinan 250014, China
  • 2Institute of Data Science and Technology, Shandong Normal University, Jinan 250014, China
  • 3School of Physics and Information Technology, Shaanxi Normal University, Xi’an 710119, China
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    Nonlinear transmission of the GO saturable absorber.

    Fig. 1. Nonlinear transmission of the GO saturable absorber.

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    Schematic of the Tm:YLF laser passively Q-switched with GO as a saturable absorber.

    Fig. 2. Schematic of the Tm:YLF laser passively Q-switched with GO as a saturable absorber.

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    Average output power as a function of absorbed pump power for CW and the inset shows the output spectrum of CW.

    Fig. 3. Average output power as a function of absorbed pump power for CW and the inset shows the output spectrum of CW.

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    Average output power of the GO Q-switched Tm:YLF laser. Inset (a) describes the output fluctuation versus time, and inset (b) displays the laser emission spectrum.

    Fig. 4. Average output power of the GO Q-switched Tm:YLF laser. Inset (a) describes the output fluctuation versus time, and inset (b) displays the laser emission spectrum.

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    (a) Pulse duration and repetition rate versus absorbed pump power; (b) single pulse energy and peak power versus absorbed pump power.

    Fig. 5. (a) Pulse duration and repetition rate versus absorbed pump power; (b) single pulse energy and peak power versus absorbed pump power.

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    (a) Q-switched pulse trains under absorbed pump powers of 2.957, 4.815, and 7.830 W; (b) a typical pulse profile of the Q-switched laser in different time scales and the inset displays the 2D and 3D images of the far-field intensity distribution for the Q-switched laser.

    Fig. 6. (a) Q-switched pulse trains under absorbed pump powers of 2.957, 4.815, and 7.830 W; (b) a typical pulse profile of the Q-switched laser in different time scales and the inset displays the 2D and 3D images of the far-field intensity distribution for the Q-switched laser.

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    Yuqian Zu, Cheng Zhang, Yongjing Wu, Jingjing Liu, Jie Liu, Yonggang Wang, "Graphene oxide for diode-pumped Tm:YLF passively Q-switched laser at 2 μm," Chin. Opt. Lett. 16, 020013 (2018)

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    Paper Information

    Special Issue: PHOTONICS BASED ON 2D NONCARBON MATERIALS

    Received: Oct. 1, 2017

    Accepted: Nov. 23, 2017

    Published Online: Jul. 16, 2018

    The Author Email: Jie Liu (jieliu@sdnu.edu.cn)

    DOI:10.3788/COL201816.020013

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology