Graphene q-switched tunable fiber laser
WebMar 10, 2024 · We introduce a saturable absorber by coating double graphene films on a fusion stretched microfiber waveguide, compare with employing graphene films sandwiched between fiber ferrules that stable Q-switched pulse disappeared at 240 mW pump, it shows feasibility for improved Q-switching operation at higher optical damage threshold (up to … WebNov 14, 2024 · We have successfully demonstrated a stable dual-wavelength Q-switched erbium-doped fiber laser (EDFL) using a single mode fiber-multimode fiber-single mode fiber (SMF-MMF-SMF) structure-based filter. Using a graphene oxide (GO) saturable absorber (SA) to modulate the cavity loss, passive Q-switching of the dual-wavelength …
Graphene q-switched tunable fiber laser
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WebMay 11, 2024 · In this work, a tunable Q-switched thulium-doped fiber laser (TDFL) using an Ag nanoparticle film as the SA is proposed and demonstrated. The TDFL can generate wavelengths around 2.0 µ m, which is a region of interest for a number of key applications such as carbon dioxide concentration monitoring systems, biomedical research, sensor ... WebMar 10, 2015 · The tunable laser was based on a VBG, graphene SA, and three mirrors system. Tunable operation was achieved by rotating the working angle of the VBG and the high reflectivity end mirror, meanwhile the Q-switched operation was obtained by inserting and carefully aligning the graphene SA.
WebJan 29, 2024 · In this paper, we demonstrate a narrow-linewidth tunable fiber laser based on laser-induced graphene (LIG) paper-heated fiber Bragg grating (FBG) with low voltage. A linewidth of less than 600 Hz is achieved by the combination of a piece of unpumped Er-doped fiber and an FBG. Changing the temperature of the FBG will result in the central … 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 …
WebJul 10, 2024 · A wavelength-tunable Q-switched erbium-doped fiber laser based on a digital micromirror device (DMD) is experimentally demonstrated. The Q-switched pulses are generated by incorporating a saturable absorption device made of graphene oxide. Stable Q-switched pulses at 1.5 µm band are obtained at a lo … WebFeb 1, 2024 · 3. Result and discussion. In this work, we employed a SLM with polarization maintaining fiber (PMF) in the proposed tunable Q-switched fiber laser setup to provide spectral filter through the coupling light process between the slow and fast axes of birefringence fiber (PMF) [].In the SLM interferometer, input signal is split into two beams …
WebApr 28, 2024 · In this work a Q-switched, dual-wavelength fiber laser is proposed and demonstrated for S+/S band operation. The proposed laser combines a 14.5 m long thulium-fluoride fiber with an absorption rate of 0.15 dB m −1 at a wavelength of 1400 nm with a 0.5 cm-long photonics crystal fiber to generate the desired dual-wavelength …
WebJul 10, 2024 · A wavelength-tunable Q-switched erbium-doped fiber laser based on a digital micromirror device (DMD) is experimentally demonstrated. The Q-switched pulses are generated by incorporating a saturable absorption device made of graphene oxide. Stable Q-switched pulses at 1.5 µm band are obtained at a lo … star wars star destroyer dockingWebApr 11, 2024 · The prepared QDs are then used as saturable absorber (SA) in the erbium‐doped fiber laser ring cavity system. Moreover, Q‐switched and mode‐locked laser pulses with a pulse width of 1.81 µs ... star wars star trek crosswordWebBroadband light therapy, or BBL, is a non-invasive laser treatment that improves and treats many skin conditions related to aging, sun damage and heredity. This laser uses light energy to deliver pulses of light into the upper levels of the skin to stimulate collagen production, reduce melanin that is responsible for pigmented lesions (freckles ... star wars star lack pitWebIn this letter we show that these drawbacks could be circumvented if graphene is used as a broadband saturable absorber. Implementing graphene mode locking in a specially designed erbium-doped fiber laser, we demonstrated the first wide range (1570nm- 1600nm) wavelength tunable dissipative soliton fiber laser. star wars star forgehttp://eprints.utm.my/id/eprint/100381/ star wars star destroyer toyWebOct 30, 2010 · We demonstrate a wideband-tunable Q-switched fiber laser exploiting a graphene saturable absorber. We get ~2us pulses, tunable between 1522 and 1555nm with up to~40nJ energy. This is a... star wars star ridleyWebA stable Q-switched erbium-doped fiber laser with a tunable range from 1522 nm to 1568 nm is demonstrated experimentally. Self-mode locking effect in a wideband tunable graphene-based passively Q-switched erbium-doped fiber … star wars star fortress