WebApr 1, 2024 · A tunable Q-switched EDFL with a tuning range from 1553 to 1569 nm was achieved by bending SIMF. When the Q-switched fiber laser operated at 1560 nm, a repetition rate of 84 kHz was obtained, together with pulse width and pulse energy of 1. 47 μ s and 104.7 nJ under the maximum pump power of 800 mW. Our results show that the … WebA passively Q-switched erbium-doped fiber laser (EDFL) was experimented on by employing graphene, single walled carbon nanotubes (SWCNT) and multi-walled carbon nanotube (MWCNT) saturable absorbers (SA). The SA film was obtained by embedding the graphene, SWCNT and MWCNT into polyvinyl alcohol (PVA). The graphene SA was …
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WebWe demonstrated the tunable passively Q-switched Thulium-Flouride Fiber (TFF) laser based on exfoliated MoS 2 saturable absorber (SA). The generation of Q-switched pulses of the proposed experiment favors the tunable operation from 1460.0 nm to 1506.0 nm, with range of 46.0 nm. The achievable maximum repetition rate and maximum pulse energy … WebJun 1, 2016 · We demonstrated a wavelength switchable graphene Q-switched fiber laser based on the cascaded FBGs. The two lasing peaks are located at 1542.9 nm or 1543.7 nm in optical communication band, and output characteristics, like output power, pulse energy, repetition rate, and pulse width with pump power was characterized. neighborhood data for social change
Tunable Q-Switched Fiber Laser Based on a Graphene …
WebOct 3, 2011 · A schematic diagram of our Q-switched, mode-locked erbium-doped fiber (EDF) laser incorporating a polarization sensitive saturable absorber is shown in figure 1(a). The laser had a ring cavity based on a 3 m EDF with a peak absorption of ∼20 dB/m at 1530 nm. The EDF was pumped by a 980 nm laser diode via a 980/1550 nm wavelength … WebMay 5, 2024 · An enhanced nonlinear optical (NLO) performance was observed in Se-doped MoS 2 nanosheets synthesized through a facile annealing process. Se-doped MoS 2 nanosheets with a large saturable intensity and high modulation depth generated stable passively Q-switched fiber laser pulses at 1559 nm. In comparison with the Q … WebNov 2, 2011 · We demonstrated a wide-band tunable passively Q-switched fiber laser by using a graphene-based saturable absorber (SA). The graphene SA was prepared through the optically driven deposition method. The Q-switched operation was initiated with a low pump threshold of about 33 mW. neighborhood defender service san antonio