focused Nd:YAG laser beam
Amplified Spontaneous Emission (ASE) Properties of a laser dye (LD-473) in solid state
... an Nd: YAG laser emitting pulses at 355 and 532 nm with a 6 ns duration and 10 Hz repeti- tion ...the laser light beam. The focused pulse was transversely applied to excite the ...
5
Numerical Investigation of the Plasma Formation in Distilled Water by Nd YAG Laser Pulses of Different Duration
... short laser pulse (curve 3) different behavior is shown, where the value of the threshold power showed a slight increase up to ...three laser pulses considered in this analysis when the laser ...
9
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 ...
12
Growth, Characterization of Cu Nanoparticles Thin Film by Nd: YAG Laser Pulses Deposition
... The laser beam is focused on the target surface by using lens with focal length (30) cm at the incident angle of approximately ...When focused on the surface of a solid target, ...
7
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 ...
19
Pulmonary Carcinoid Tumor
... example Nd -YAG laser, are ...tumor, Nd-YAG laser alone, or in combination with surgical treatment results in definitive cure ...
5
Evaluation of Primary and Permanent Tooth Enamel Surface Morphology and Microhardness after Nd: YAG Laser Irradiation and APF Gel Treatment - An In Vitro Study
... Pedodontics and Preventive Dentistry, Mamata Dental College, Khammam. The teeth used for the study com- prised non-carious extracted 60 retained/exfoliated pri- mary teeth and 60 extracted permanent teeth. Then, all ...
6
The Role of the Sciton Profile Nd-Yag Laser in the Reduction of Cutaneous Varicosities, a Pilot Study
... Laser therapy is also an attractive adjunct or alternative in patients with needle phobia, post-sclerotherapy complications such as neovascularization, otherwise known as matting, the rare person with sclerosant ...
5
Characterization of Nd: Yag Laser Radiation Effects on Ti6Al4V Physico-Chemical Properties: An In Vivo Study
... however, laser treatment is going to play an important role in this field ...during laser treatment processes. In fact, optical and kinetics of laser parameters like fluence and pulse number as well ...
11
Nd, Cr, Ce: YAG nano powder for solar pumped laser and crystal specifications
... Last decades rare-earth doped garnet materials used in medicine, optical, laser, and biotechnological processes [1, 2]. Different chemical methods are used for synthesis, such as sol gel, solid state, ...
20
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 ...
8
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 ...
6
Hybrid Dry-Ice Blasting Laser Processing: Nd-YAG-Laser-assisted Dry-Ice Blasting for De-Coating
... Dry-ice blasting and laser processing are eco- logical alternatives to conventional mechanical, chemical or aqueous cleaning and de-coating meth- ods. However, neither technology is suitable for highly adhesive or ...
5
Re-crystallization of metallized silicon wafer with copper film by Q-switched Nd : YAG laser
... The annealing process can be performed in short time. It is a low temperature processing technique because during the fast heating and cooling cycle the bulk substrate material is essentially unaffected. Pulsed ...
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Inactivation of escherichia coli and listeria monocytogenes with Nd: YAG laser and its harmonics
... of laser lights obtained from an oscillator is usually too low for most ...Hence, laser or pulse amplifiers are employed to raise output power to useful levels required for various ...
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A Modified Laser Deposition Technique for Depositing Titania Nanoparticles on Commercially Pure Titanium Substrates (Mechanical Evaluation)
... The optical microscopic imagesfor the coated samples,(figure 6), showed uniformly distributed and highly homogenous coating without any formation of cracks and irregularity in distribution. In nanoscale and by using SEM ...
8
SELECTION OF OPTIMAL MACHINING PARAMETERS IN CO2 LASER CUTTING FOR EN-31 MATERIAL USING TAGUCHI BASED RESPONSE SURFACE METHODOLOGY (T-RSM APPROACH)
... Abstract: Laser Beam Cutting is an advanced material removal ...of Laser beam, flexible operation characteristics and capacity of processing wide range of materials ...optimize laser ...
10
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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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 ...
6
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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