Graphene q-switched tunable fiber laser

Author: grjt

August undefined, 2024

http://eprints.utm.my/id/eprint/100425/1/AzuraHamzah2024_PassivelyQ-SwitchedErbiumDopedFiberLaser.pdf WebIn 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.

Observation of dark and bright pulses in q-switched erbium doped fiber …

WebApr 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 ... WebOverview. SFP Modules / Transceivers are designed to be inserted into a Network Switch equipped with SFP ports or slots. You then plug your fiber optic cable assembly into them to extend it to another location. The SFP modular or media converter at the opposite end then converts the fiber optic signal back to a copper signal. deschutes county premise history request

Graphene Mode-Locked Ultrafast Laser ACS Nano

WebOct 15, 2011 · The repetition rate of the fiber laser can be widely tuned from 140 to 257 kHz along with the increase of the pump power. To the best of our knowledge, this is the first report for passively Q-switched sub-100-ns pulse operation of a graphene-based saturable absorber in a Yb-doped fiber laser. WebOne example of high-performance lasers is the Q-switched fiber laser, which can be realized from the Q-factor of the laser [1], [2]. Because of their high peak power, Q-switched lasers are frequently utilized in material processing [2] cosmetics, tattoo removal [3], range finding, optical sensor medicine and data storage industries [4]-[6]. 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 … deschutes county planning fee schedule

56 nm Wide-Band Tunable Q-Switched Erbium Doped Fiber Laser …

Passively Q-switched and mode-locked fiber laser research based …

WebOct 26, 2024 · Here, we fabricate an optical-controllable fiber filter based on a graphene-assisted micro-fiber Bragg grating, whose wavelength can be linearly tuned by controlling pump light, and a tuning step of 3.1 pm is achieved. By cooperating it with a fiber laser operating at a Q-switched mode-locked state, the lasing wavelength is all-optically ... WebJul 22, 2024 · In this paper, a passively Q-switched Erbium doped fiber laser (EDFL) by residing Graphene nanoplatelets (GnPs) embedded in polyvinyl alcohol (PVA) based satur… chrysler jefferson avenue assembly plantWebAs a Dirac material, an allotrope of graphene, namely γ-graphyne (γ-GY), is proved to have excellent nonlinear optical properties. Unfortunately, the saturable absorption properties and ultrafast photonics applications of γ-GY at the 1.5 μm band, which play vital roles in optical communication, have … chrysler jeep wrangler 2021

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Graphene q-switched tunable fiber laser

Enhanced nonlinear optical response of Se-doped MoS2 …

http://eprints.utm.my/id/eprint/100425/ WebOct 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...

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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 ...

WebFeb 15, 2011 · We demonstrate a wideband-tunable Q-switched fiber laser exploiting a graphene saturable absorber. We get ∼ 2 μ s pulses, tunable between 1522 and 1555 nm with up to ∼ 40 nJ energy. This is a simple and low-cost light source for metrology, environmental sensing, and biomedical diagnostics. WebMar 17, 2024 · Broadband nonlinear optical modulators are necessary for versatile applications in optical communication, laser radar, laser manufacturing, etc. Here, we report that the zirconium triselenide (ZrSe3) nanoflakes exhibit robust broadband nonlinear optical absorption and can modulate the Nd:YVO4 solid-state laser and erbium-doped ZBLAN …

WebJan 15, 2024 · The Q-switched fiber laser exhibits a tunable wavelength range of 7 nm (from 1558 to 1565 nm). The output pulse offers the shortest pulse duration of 2.22 μs with a repetition rate of 39.1 kHz and the widest pulse duration is 5.9 μs that corresponds to a repetition rate of 21.3 kHz. WebWidely tunable operation of a mixed crystal Tm:(LuxY1-x)3Al5O12 (Tm:LuYAG) laser is reported using a volume Bragg grating (VBG) as the wavelength selective component. The operating wavelength was continuously tunable from 1935.3 to 1994.9 nm (corresponding to a tuning range of ~ 60 nm), and a maximum output power of 1.76 W at 1999.7 nm was …

WebBroadband 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 ...

WebIn 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. chrysler jefferson northWebZhou, D.-P., Wei, L., & Liu, W.-K. (2012). Tunable graphene Q-switched erbium-doped fiber laser with suppressed self-mode locking effect. Applied Optics, 51(14), 2554 ... deschutes county property managementWebMar 1, 2024 · In reports, the wavelength tuning PQFL based on 2D materials has been realized by means of the tunable filter constructed by the birefringent plate. For example, the tuning wavelength of Q-switched pulses from 1522.5 to 1555 nm, 1510.9 to 1589.1 nm, and 1519.6 to 1567.1 nm have been reported in Er-doped fiber laser based on the … chrysler job application onlineWebApr 10, 2024 · The use of unipolar barrier structures that can selectively block dark current but allow photocurrent to flow unimpededly has emerged as an effective strategy for constructing high-performance photodetectors. In particular, two-dimensional (2D) materials with tunable band structures and self-passivated surfaces not only satisfy band … deschutes county property tax lookupWebJun 17, 2024 · A wide-band and tunable Q-switched erbium-doped fiber (EDF) laser operating at 1560.5 nm with a tungsten ditelluride (WTe2) saturable absorber (SA) is demonstrated. The semi-metallic nature of ... deschutes county public library website loginWebMar 23, 2024 · The third-order NLO properties were tested by using Z-scan technique with a 30-ps laser at 532 nm. The mechanism for the NLO properties was analyzed. The tunable saturable absorption and positive nonlinear refraction properties of Sb 2 S 3 /RGO composites were obtained, which can be applicable to the Q-switch, mode-locking, and … chrysler jobs careersWebApr 3, 2015 · We reported that the photonic crystal fiber (PCF) filled with TI:Bi2Te3 nanosheets solution could act as an effective saturable absorber (SA). Employing this TI-PCF SA device; we constructed an ytterbium-doped all-fiber laser oscillator and achieved the evanescent wave mode-locking operation. Due to the large cavity dispersion; the … deschutes county property tax records