Yb-doped double-clad fiber
Theoretical Study of the Thermal Distribution in Yb-Doped Double-Clad Fiber Laser by Considering Different Heat Sources
... By photon absorption in the active medium and the existence of QDs, the nonradioactive decays become the heat source at high power lasers and amplifiers [14]. QD is the energy difference between the pump and signal photons ...
18
Parameter optimization simulation of high power yitterbium doped double-clad fiber laser
... High-power fiber laser have many advantages over other types of high power lasers including high conversion efficiency, immunity from thermal lensing effect due to large ratio of surface area to volume, no need of ...
25
Double clad structure and proximity coupling for diode bar pumped planar waveguide lasers
... pulsed fiber lasers in order to increase energy storage ...this fiber design has also recently been reported [19], but in this case the mode selection is still strictly from amongst those associated with ...
7
Investigation of Thermal Dispersion and Thermally-Induced Birefringence on High-Power Double Clad Yb:Glass Fiber Laser
... silica double clad fiber lasers are considered suitable for high power operation because of broad absorption band and strong absorption and emission cross section of Ytterbium ...power fiber ...
8
Suppression of stimulated Raman scattering in a high power Yb doped fiber amplifier using a W type core with fundamental mode cut off
... in double-clad Yb-doped fiber, and is much lower than what will be required to suppress ...our fiber, at the theoretical cut-off of 1110 nm, the overlap with the ...
11
Self Q-switched wavelength tunable Erbium-Ytterbium co-doped double clad fiber laser
... co-doped fiber tunable laser is shown in ...CP1500Y double clad Erbium-Ytterbium doped fiber (EYDF) with core diameter of 5µm, inner cladding diameter of 105 µm and secondary ...
8
Self-induced laser line sweeping in double-clad Yb-doped fiber-ring lasers
... in fiber ring lasers is presented. The SLLS with the same gain fiber is studied in Fabry-Perot cavity for compari- ...cavity fiber laser was qualitatively described by a dynamic grating in- duced by ...
7
Design of Seven core Photonic Crystal Fiber with Flat In phase Mode for Yb: Fiber Laser Pumping
... Among all supermodes, only the in-phase mode (IPM) where all cores have the same phase has the best Gaus- sian-like far field intensity distribution resulting in good beam quality [14-17]. A. Mafi [14-15] has presented a ...
5
Thulium-doped fibre laser in the 2 μm wavelength region for gas sensing
... An Erbium (Er)-doped fibre laser operating at 1.6 µm was designed by using (a) 1.5 m length of Er-doped active fibre, (b) a FBG pair at 1.6 µm, with the High Reflectivity (HR) being 99.98 % and the Low ...
188
Laser Marked and Textured Biomaterial Evaluated by Mott- Schottky Technique
... Optical fiber laser texturing and marking process are largely used on martensitic stainless steels for clinical apparatus, like dental drills and piercers ...optical fiber laser incidence and cathodic to ...
8
CW and passively Q switched double clad planar waveguide lasers
... Thin planar geometry ideal for thermal management Ideal for quasi-three level systems: Nd3+,Yb3+,Tm3+,Er3+ Proximity coupling ⇒ simple and robust ¾ No coupling optics ¾ Compatible with c[r] ...
36
Electron Irradiation and Photo Excitation Darkening and Bleaching of Yb Doped Silica Fibers: Comparison
... after OP of the fibers, applying the lateral detecting ge- ometry [18]. Fluorescence emission was collected from surface of an YF sample at the point spaced by approxi- mately 5 mm from its splice with an output ...
12
The Comparative Study of the Temperature Distribution of Fiber Laser with Different Pump Schemes
... show that the maximum temperature difference between different schemes is 57.51˚C, and when the air-clad width de- creases, the temperature in the core regions also decreases and does not affect to the cladding ...
8
Thulium Doped Fiber Amplifier (TDFA) for S band WDM Systems
... silica-based fiber amplifier is evaluated. The pump power and thulium-doped fiber (TDF) length for single-pass Thulium-Doped Fiber Amplifiers (TDFA) are theoretically optimized to ...
5
Shortening of a Raman fiber laser by inserting ytterbium doped fiber
... Raman fiber lasers with high output couplers convert the pump signal into stokes signals very ...ytterbium doped fiber into a 350-m Raman ...than double (to 750 m) but power delivery decreased ...
6
Wideband Dispersion Compensation in Hexagonal Lattice Photonic Crystal Fiber
... the fiber, and one outer core supporting two super modes [6], ...the fiber. The second core can be created in the fiber in many ways, like reducing the diameters of the air holes in one of the rings ...
8
Erbium Doped Fiber Laser and Amplifier
... scale. Fiber laser at the late eighteenth was dis- covered [7] to show that EDFL and EDFA can be used as appropriate tools for communication at lower absorp- tion and low ...
6
Modeling and Experiments of the Gain and Noise Figure for an Irradiated Erbium Ytterbium Co Doped Fiber Amplifier
... the fiber amplifier ...co-doped fiber amplifier (EYDFA) has been irradiated by a neutron beam of different doses for various exposure times from an Am-241/Be-9 neutron ...the fiber amplifier ...
10
Investigation on gain improvement of erbium doped fiber amplifier (EDFA) by using dual pumped double pass scheme
... Single Pump Double Pass Scheme: Figure 1 shows the configuration of single pump double pass of EDFA in OFCS. The amplifications are taken place in C and L band. The signal within the wavelength of 1515 and ...
8
Output power and efficiency in linear and ring configurations of continuous wave erbium doped fiber laser
... Erbium doped fiber laser plays an important role in ...erbium doped fiber amplifier and spectroscopy in medical ...wave fiber laser operating at ...erbium doped as the gain ...
22