Seunghwan Ko, Jinho Lee, Ju Han Lee. Passively Q -switched ytterbium-doped fiber laser using the evanescent field interaction with bulk-like WTe2 particles[J]. Chinese Optics Letters, 2018, 16(2): 020017
- Chinese Optics Letters
- Vol. 16, Issue 2, 020017 (2018)
Fig. 1. Photo and schematics of the prepared WTe 2
Fig. 2. Measurements of (a) the scanning-electron-microscope (SEM) image and (b) the Raman spectra of the WTe 2
Fig. 3. Measurements of (a) the EDS spectrum of the WTe 2 WTe 2
Fig. 4. Experimental configuration of the proposed Q -switched YDF laser.
Fig. 5. (a) Measured optical spectrum of the output pulses at a pump power of ∼ 180 mW
Fig. 6. (a) Measured repetition rates and temporal widths of the Q -switched pulses as a function of the pump power. (b) Measured pulse energies and average powers as a function of the pump power.
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Table 1. Performance Comparison of Passively Q-switched Ytterbium-doped Fiber Lasers Using a Side-polished Fiber with Saturable-absorption Materials.
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