Nd:YAG laser beam
Theoretical study nd yag laser beam interaction with several solid materials by three dimension model
... the laser beam fixed and variable with ...the laser beam fixed and variable with time, where it is clear that the temperature rises the more time and less the more depth proliferation warming ...
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Combined Nd YAG laser and external beam radiotherapy for palliation in gastrointestinal cancer
... patient Laser treatment can be technically difficult, particularly in patients in whom the endoscope will not pass the ...of laser and radiotherapy in rectal and rectosigmoid ...complimentary, laser ...
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An Experimental Investigation and Evaluation of SS430 Using Nd- YAG Laser Welding Process
... Nd:YAG laser is commonly used type of solid-state laser in many fields at present because of its good thermal properties and easy ...Nd:YAG laser is designed to produce a maximum average power. The ...
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CHANGES IN INTRAOCULAR PRESSURE AFTER ND-YAG LASER POSTERIOR CAPSULOTOMY
... Although Nd-Yag L can be delivered without contact lens, its use helps to focus the beam on to the posterior capsule, the lens enlarge the cone angle of beam at the focus and, because the ...
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Characterization of the Crystal Structure of Sesame Seed Cake Burned by Nd: YAG Laser
... µm Nd: YAG laser with 60 W out- put power for 30 ...of Nd: YAG laser comes from its high gain and good thermal properties; it is the most important solid-state laser for ...
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Pulsed Nd :YAG laser micro welding of stainless steel material
... art laser material processing includes the pulsed Nd:YAG laser spot welding for photonic devices packaging (Marley, 2002), which utilizes the laser for high precision joining and ...The laser ...
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Inactivation of escherichia coli and listeria monocytogenes with Nd: YAG laser and its harmonics
... sector, laser irradiation has been adopted as a technique for curing or controlling various bacteria-related diseases in medicine and dentistry (Andrade et ...of beam, in addition to the absorption ...
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Holosteric Nd : YAG lasers
... p beam and the cavity ...pump beam are relaxed as compared to the end-pum ping ...diode- laser arrays with large e m itting areas to be used, w here the ind ividual stripes need not be mu tually ...
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Characterization of Nd: Yag Laser Radiation Effects on Ti6Al4V Physico-Chemical Properties: An In Vivo Study
... since laser surface processing of materials is an area of considerable importance, technological parameters of radiation must be carefully optimized in order to obtain a unique surface ...the laser power ...
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Growth, Characterization of Cu Nanoparticles Thin Film by Nd: YAG Laser Pulses Deposition
... In this work, Cu thin films with different energy have been deposited on glass substrate by PLD system technique. The substrate was fixed directly above the Cu target (99.9% in purity) of 2cm in diameter with a ...
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Numerical Investigation of the Plasma Formation in Distilled Water by Nd YAG Laser Pulses of Different Duration
... by Nd-YAG laser pulses of duration 100 fs, 30 ps and 6 ns at wavelength 1064 nm are pre- formed to investigate the physical mechanisms which couple the laser energy into the ...and ...
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Amplified Spontaneous Emission (ASE) Properties of a laser dye (LD-473) in solid state
... The ASE action was obtained by optically pumping the samples with an Nd: YAG laser emitting pulses at 355 and 532 nm with a 6 ns duration and 10 Hz repeti- tion rate. A quartz cylindrical lens of ...
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Diode laser pumped Nd : YAG laser for 946 nm and its frequency doubling
... the laser output beam was both astigmatic and elliptical, having, for the tangential and sagittal planes, the apparent waists of 40 pm and 69 pm at the pump input end respectively , and 208 pm and 127 pm at ...
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Development of long pulse Nd. YAG laser system
... Laser is abbreviation of light amplification of radiation by stimulate emission radiation. In 1960, Maiman was successful demonstrated the first solid state laser. He used pink ruby crystal as active medium ...
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Beam spot of Q-switched ND: YAG laser based on raster graphic
... The beam quality of infrared laser is determined based on the absorption spectrum of photographic ...the beam quality of high power ...the beam quality is found to be similar as Gaussian ...
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The Role of the Sciton Profile Nd-Yag Laser in the Reduction of Cutaneous Varicosities, a Pilot Study
... the Nd-Yag in the treatment of cutaneous varicosities remains ...[1,2], laser [3], dual wavelength laser [4], combination sclerotherapy /laser [5,6,7], end-venous laser [8] or ...
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Evaluation of Primary and Permanent Tooth Enamel Surface Morphology and Microhardness after Nd: YAG Laser Irradiation and APF Gel Treatment - An In Vitro Study
... In Group C, two halves of each tooth from both pri- mary and permanent teeth were subjected to 4 min 1.23% APF gel treatment [Figure 3] according to the manufacturer’s instructions, excess fluoride was removed and left ...
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Measurement the Parameters of Cadmium Oxide Plasma Induced by Laser
... The plasma formed during high power laser irradiation contains atoms and ions in different excited states, free electrons and radiation. The analysis of this plasma can be done through the measurement of plasma ...
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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 ...on laser radiation ...
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Investigation Of Nd: Yag Laser Welding Efficiencies For Inconel 625 Plates
... Nd:YAG laser welding attributes of Inconel 625 material ...The laser material collaboration, controlling of process parameters and their impacts on dissolving, cementing and prepare effectiveness are basic ...
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