Nd-YAG laser process
An Experimental Investigation and Evaluation of SS430 Using Nd- YAG Laser Welding Process
... project, laser welding of stainless steel was studied at different values of laser power, pulse width and frequency, and keeping beam diameter as ...ALPHA LASER AL200 Nd:YAG laser was ...the ...
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Investigation Of Nd: Yag Laser Welding Efficiencies For Inconel 625 Plates
... The critical quantifiable parameter in welding procedure is process productivity. It relies on handling and working parameters, thermo mechanical and compound properties of the material, surface conditions and ...
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Inactivation of escherichia coli and listeria monocytogenes with Nd: YAG laser and its harmonics
... of laser and other pulsed light systems for phototherapy and other microbial disinfections are based on spectral characteristics and configuration of the light ...Nd:YAG laser for inactivation two ...
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Characterization of Nd: Yag Laser Radiation Effects on Ti6Al4V Physico-Chemical Properties: An In Vivo Study
... that Nd: YAG laser can induce a desirable surface modification on Ti6Al4V ...irradiation process must be optimized in terms of optical ...
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Pulsed Nd :YAG laser micro welding of stainless steel material
... Nd:YAG laser micro welding has become widely used in microelectronics and photonics packaging industry, a full understanding of various phenomena involved is still a matter of trials and speculations (Nowakowski, ...
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CHANGES IN INTRAOCULAR PRESSURE AFTER ND-YAG LASER POSTERIOR CAPSULOTOMY
... Photo-disrupter laser is the major class of ophthalmic ...state laser source emits an infra-red (IR) light invisible to the eye of 1064 nm ...Helium-Neon(He-Ne) laser aiming beam is therefore ...
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Beam spot of Q-switched ND: YAG laser based on raster graphic
... the laser output powers of 20 megawatts scale and pulse durations of less than 100 nanoseconds are commonly ...the process of frequency doubler, or even higher order harmonics generation can be achieved at ...
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Two stage model of nanocone formation on a surface of elementary semiconductors by laser radiation
... Nd:YAG laser with a wavelength of 266 nm and different laser intensities are shown in Figure ...the laser, I-V characteristics become diode like. Moreover, this process takes place in ...
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Diode laser pumped Nd : YAG laser for 946 nm and its frequency doubling
... used laser technique to obtain intense and short bursts of laser ...of laser output (a giant pulse [1-3]). The second process dumps most of the energy stored in the pumped atoms, ions or ...
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Hybrid Dry-Ice Blasting Laser Processing: Nd-YAG-Laser-assisted Dry-Ice Blasting for De-Coating
... the laser can be applied de-focused for heating up the sur- face, a focused laser application enables a defined processing of the ...de-focused laser pre- vents a cooling down of the ...focused ...
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Photo-acoustic induced by Q-Switched Nd : YAG laser detected by PVDF sensor in different liquids
... The research of acoustic wave had been widely explored for many years and still being study until now. An acoustic wave can be utilised as a non-contact method to characterising and monitoring process of liquids ...
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Synthesis and Characterization of Ag Metal Nanoparticles Prepared in Different Solutions Using Nd-YAG Pulsed Laser
... Nd:YAG laser was utilized as a part of the vast majority of tests achieved up ...of laser pulse energy, the aftereffects of laser removal in fluid stage rely on upon numerous other test parameters: ...
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The treatment of riehl’s melanosis using dr hoon hur’s golden parameter therapy with a high fluence 1064nm q switched nd: yag laser without side effects
... this process may provoke the hyperpigmentation in RM (Nakayama, 1984 and Imokawa, ...Traditional laser treatments for RM had been used widely for many ...
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Re-crystallization of metallized silicon wafer with copper film by Q-switched Nd : YAG laser
... to process. This is because the process involves the application of high quality substrate like quartz or BK7 to stand with high temperature environment and long period of heat treatment in the ...problem. ...
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Nd, Cr, Ce: YAG nano powder for solar pumped laser and crystal specifications
... as Nd, Ce, or Cr where Nd is often applied in steady state lasers ...improves laser characteristics of different crystals is their annealing at high temperature (near melting ...annealing ...
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Numerical Investigation of the Plasma Formation in Distilled Water by Nd YAG Laser Pulses of Different Duration
... ionization process to the breakdown of distilled water at the ultra short laser pulse (100 ...the laser pulse (where a high electron density is achieved) as shown by the slow drop of the electron ...
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A new laser method for cleaning micropalaeontological specimens
... Q-Switched Nd: YAG (neodymium yttrium aluminium garnet) infrared laser can be used to clean micropalaeontological specimens, particularly those coated in gold–palladium for SEM ...after laser ...
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Synthesis and characterization of laser annealed nanoporous silicon-zinc oxide nanoclusters for ultraviolet photodetector application
... of laser annealing (varied fluences, laser energy, pulses, repetition time, ...pulse laser annealing process will lead to the synthesis of better quality n-PSi and n-PSi/ZnO NCs under optimum ...
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Treatment of Verrucous Epidermal Nevus Using Long Pulsed Nd: YAG Laser
... dye laser (PDL) has been used successfully in treatment of inflammatory linear verrucous nevus (ILVEN), which is a variant of epidermal nevi, by destructing the dilated blood vessels and decreasing the ...
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COMPARISON OF ANN WITH RSM IN PREDICTING SURFACE ROUGHNESS WITH RESPECT TO PROCESS PARAMETERS IN Nd: YAG LASER DRILLING
... In the present investigation a mathematical model, by using response surface methodology (RSM) and an artificial neural network (ANN) model [10] has been generated to predict the relationship between the process ...
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