Graphene q-switched tunable fiber laser
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 … WebJan 1, 2011 · For passive Q-switching, graphene has also been used as a saturable absorber (SA) in an Er-doped fiber laser, and the wavelength …
Graphene q-switched tunable fiber laser
Did you know?
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. 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 ...
WebApr 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 … 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 …
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 … 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 ...
WebJan 15, 2024 · A tunable passively Q-switched fiber laser is fabricated using a graphene saturable absorber. The graphene saturable absorber is composed of a tapered fiber coated with graphene nanosheets. It combines the abilities of a saturable absorber and power-dependent tunable filter, thereby simplifying the structure of the tunable …
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. fit bit work on exercise bikehttp://eprints.utm.my/id/eprint/100425/ cangle haverhillWebOverview. 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. can gligar learn false swipeWebJun 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. can glial cells generate action potentialsWebThe SF Q-switched fiber laser has the characteristics of narrow line width and high coherence, and can further compress the pulse width and increase the beam power. ... Latest Research Progress. Harith Ahmad et al. reported a SLM tunable fiber laser based on graphene SA to generate radio frequency (microwave) signals cangler analyticsWebOne 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]. can gleevec cause skin blistersWebApr 11, 2024 · Hence in this paper, we report the first demonstration of a thulium doped fiber laser with a wavelength-tunable, passive Q-switched output using a graphene-polyvinyl-alcohol composite film for operation in the 2.0 µm region. The proposed laser has a wavelength-tunable output spanning from 1932.0 nm to 1946.0 nm, giving a total … fitbit workout schedule