H. Ahmad, H. Hassan, R. Safaei, K. Thambiratnam, I. S. Amiri. Q-switched fiber laser using carbon platinum saturable absorber on side-polished fiber[J]. Chinese Optics Letters, 2017, 15(9): 090601
- Chinese Optics Letters
- Vol. 15, Issue 9, 090601 (2017)
Fig. 1. FESEM and EDS analysis of the synthesized CPt.
Fig. 2. Modulation depth of the CPt SA.
Fig. 3. Setup of the polishing assembly for SPF fabrication.
Fig. 4. Visible red light ‘leaking’ from the SMF-28 at the polished part, providing visual indication that the core has been exposed.
Fig. 5. (a) Cross section of the SPF and (b) side view of the SPF.
Fig. 6. (Color online) Output spectrum with and without the CPt SA.
Fig. 7. (a) Pulse train at 179.6 mW pump power, and (b) single-pulse capture at the same pump power.
Fig. 8. (Color online) (a) Repetition rate and pulse width against the pump power, and (b) the average output power and pulse energy against the pump power.
Fig. 9. RF optical spectrum and inset showing the wideband RF spectrum.
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