Graphite Saturable Absorber for Q-Switched Fiber Laser

  • Authors

    • Yushazlina R. Yuzaile
    • Noor A. Awang
    • Zahariah Zakaria
    • Noor U.H.H Zalkepali
    • Amirah A. Latif
    • Atiqah N. Azmi
    • Fatin S. Abdul Hadi
    2018-11-30
    https://doi.org/10.14419/ijet.v7i4.30.22303
  • Graphite, Mechanical Exfoliation, Q-Switching, Q-Switched Fiber Laser, Saturable Absorber

  • This paper reported a successful demonstration on Q-switched fiber laser by using graphite as saturable absorber (SA). The graphite is deposited on the fiber ferrule through a simple mechanical exfoliation method. The modulation depth of the graphite SA is 19.2% with a saturation intensity of 85 MW/cm². The maximum achievable pulse repetition rates and pulse width are 42.41 kHz and 3.40 μs respectively. Meanwhile, its optical signal-to-noise ratio is about 50.81 dB. The Q-switched pulses have the maximum pulse energy of 5.84 nJ. These outcomes demonstrated that a stable output of passively Q-switched fiber laser is produced and can be applied for various optical fiber applications.

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  • How to Cite

    Yuzaile, Y. R., Awang, N. A., Zakaria, Z., Zalkepali, N. U., Latif, A. A., Azmi, A. N., & Hadi, F. S. A. (2018). Graphite Saturable Absorber for Q-Switched Fiber Laser. International Journal of Engineering & Technology, 7(4.30), 334-337. https://doi.org/10.14419/ijet.v7i4.30.22303