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		题名	作者	年代	出处	被引量
	1	Q-switched Er-doped fiber laser with low pumping threshold using graphene saturable absorber显示文摘We propose a Q-switched Er-doped fiber laser(EDFL) with a threshold pumping power as low as 7.4 mW, and demonstrate using graphene polyvinyl alcohol(PVA) thin film as a passive saturable absorber(SA). The SA is fabricated from graphene flakes, which is synthesized by electrochemical exfoliation of graphite at room temperature in 1% sodium dodecyl sulfate aqueous solution. The flakes are mixed with PVA solution to produce a thin film, which is then sandwiched between two ferrules to form a SA and integrated in the EDFL ring cavity to generate a stable Q-switched pulse train. The pulse train operates at 1560 nm with a threshold pump power of 7.4 mW. At maximum 1480 nm pump power of 33.0 mW, the EDFL generates an optical pulse train with a repetition rate of 27.0 kHz and pulse width of 3.56 μs. The maximum pulse energy of 39.4 nJ is obtained at a pump power of 14.9 mW. This laser can be used as a simple and low-cost light source for metrology, environmental sensing, and biomedical diagnostics.	R.Z.R.R.Rosdin F.Ahmad N.M.Ali S.W.Harun H.Arof	2014	Chinese Optics Letters2014，12，9：	1
	2	Nanosecond Pulse Generation with Silver Nanoparticle Saturable Absorber显示文摘Nanosecond pulse generation in an erbium-doped fiber laser (EDFL) passively mode-locked by a silver nanoparticle(SNP)-based saturable absorber(SA) is experimentally demonstrated. The SA is fabricated by depositing a nanosized SNP layer onto the surface of polyvinyl alcohol film through the thermal evaporation process. By inserting the SA into an EDFL cavity, stable mode-locked operation is achieved at 1561.5 nm with the maximum pulse energy up to 52.3 nJ. The laser operates at a pulse repetition frequency of 1.0 MHz with a pulse width of 202 ns. These results suggest that SNPs could be developed as an effective SA for mode-locking pulse generation.	R.Z.R.R.Rosdin M.T.Ahmad A.R.Muhammad Z.Jusoh H.Arof S.W.Harun	2019	Chinese Physics Letters2019，36，5：	0

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