• No results found

Nd:YAG pulse laser

Development of long pulse Nd. YAG laser system

Development of long pulse Nd. YAG laser system

... Nd:YAG laser operating in the quasi-CW ...short Nd: YAG laser pulse with less than 200 ...pumped pulse Nd: YAG lasers are widely used because a lamp is much more ...

28

Holosteric Nd : YAG lasers

Holosteric Nd : YAG lasers

... diode- laser arrays with large e m itting areas to be used, w here the ind ividual stripes need not be mu tually ...maximum pulse-len g th of injec tion current reflects the lim itation arising from the p ...

202

Beam spot of Q-switched ND: YAG laser based on raster graphic

Beam spot of Q-switched ND: YAG laser based on raster graphic

... Nd:YAG laser was employed as source of ...the laser is 1064 nm. The laser was Q-switched Nd:YAG using KD*P as a Pockels ...The pulse duration of the Q-switched laser was 10 ns. The ...

5

Inactivation of escherichia coli and listeria monocytogenes with Nd: YAG laser and its harmonics

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 ...Output pulse energies from femtosecond lasers typically do not exceed a few nanojoules, and peak powers of megawatts (Abramczyk, ...

38

Amplified Spontaneous Emission (ASE) Properties of a laser dye (LD-473) in solid state

Amplified Spontaneous Emission (ASE) Properties of a laser dye (LD-473) in solid state

... other laser coumarin dyes in ...pump pulse energies. When the pump pulses excitation (Nd: YAG laser of 355 or 532 nm) and the concentrations were suitably chosen, LD-473 showed an ASE ...

5

An Experimental Investigation and Evaluation of SS430 Using Nd- YAG Laser Welding Process

An Experimental Investigation and Evaluation of SS430 Using Nd- YAG Laser Welding Process

... of laser processing is the laser welding, which offers considerable advantages over the conventional welding ...intensity laser beam melts and partially evaporates the welded material during the ...

15

A new laser method for cleaning micropalaeontological specimens

A new laser method for cleaning micropalaeontological specimens

... The laser most commonly used to clean museum objects at present is the Q-switched Nd: YAG (neo- dymium yttrium aluminium garnet) laser operating at 1064 nm (Cooper, ...the laser beam ...

5

Synthesis and characterization of laser annealed nanoporous silicon-zinc oxide nanoclusters for ultraviolet photodetector application

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, ...with pulse laser annealing process will lead to the synthesis of better quality n-PSi and n-PSi/ZnO NCs under ...

51

The Q Switched Nd: YAG Laser in Tattoo Removal and the Effect of Lymphatic Elimination: An Experimental Study in Rabbits

The Q Switched Nd: YAG Laser in Tattoo Removal and the Effect of Lymphatic Elimination: An Experimental Study in Rabbits

... and laser assited methods. Invention of the Q-switch mode, advanced the laser method, to be one of the most effective methods of tattoo ...Q-switched Nd-YAG laser (532nm, 1064nm, ...

7

CHANGES IN INTRAOCULAR PRESSURE AFTER ND-YAG LASER POSTERIOR CAPSULOTOMY

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

COMPARISON OF ANN WITH RSM IN PREDICTING SURFACE ROUGHNESS WITH RESPECT TO PROCESS PARAMETERS IN Nd: YAG LASER DRILLING

COMPARISON OF ANN WITH RSM IN PREDICTING SURFACE ROUGHNESS WITH RESPECT TO PROCESS PARAMETERS IN Nd: YAG LASER DRILLING

... power pulse Nd:YAG laser machining such as pulse rate, pulse width, speed play a major role in deciding the surface ...Nd:YAG laser drilled mild steel ...

12

Investigation Of Nd: Yag Laser Welding Efficiencies For Inconel 625 Plates

Investigation Of Nd: Yag Laser Welding Efficiencies For Inconel 625 Plates

... and laser control ...of pulse duration, gas flow rate and focal position on process efficiency can also be tried and effective methods can be devised to measure ...

6

Pulsed Nd :YAG laser micro welding of stainless steel material

Pulsed Nd :YAG laser micro welding of stainless steel material

... Nd:YAG laser, the major process variables include the laser pulse energy, pulse time, beam diameter and intensity distribution, focal position, and material-dependent properties, such as ...

19

Characterization of Nd: Yag Laser Radiation Effects on Ti6Al4V Physico-Chemical Properties: An In Vivo Study

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 ...

11

Growth, Characterization of Cu Nanoparticles Thin Film by Nd: YAG Laser Pulses Deposition

Growth, Characterization of Cu Nanoparticles Thin Film by Nd: YAG Laser Pulses Deposition

... The ablation rate is strongly influenced by the characteristics of the laser beam (e.g., pulse duration, number of pulses, energy, fluence, wavelength) [12, 13, 14, 15, 16] processed material (e.g., mass ...

7

The Role of the Sciton Profile Nd-Yag Laser in the
Reduction of Cutaneous Varicosities, a Pilot Study

The Role of the Sciton Profile Nd-Yag Laser in the Reduction of Cutaneous Varicosities, a Pilot Study

... Sciton Nd: YAG 1064 nm laser for red to purple colored vessels and telangiectasia to reticular patterns between ...The pulse duration was set between 10 and ...shortest pulse width ...

5

Numerical Investigation of the Plasma Formation in Distilled Water by Nd YAG Laser Pulses of Different Duration

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 ...

9

Re-crystallization of metallized silicon wafer with copper film by Q-switched Nd : YAG laser

Re-crystallization of metallized silicon wafer with copper film by Q-switched Nd : YAG laser

... after laser annealing with different number of laser pulses of (b) 1 pulse (c) 2 pulses (d) 3 pulses , (e) 4 pulses, (f) 5 pulses, (g) 6 pulses, (h) 7 pulses, (i) 8 pulses, (j) 9 pulses, (k) 10 ...

23

Diode laser pumped Nd : YAG laser for 946 nm and its frequency doubling

Diode laser pumped Nd : YAG laser for 946 nm and its frequency doubling

... source. The evaluations of several favourable nonlinear crystals showed that KNbOg is the most efficient second harmonic generator at the fundamental of 946 nm, but there are some special properties associated with this ...

188

Theoretical study nd yag laser beam interaction with several solid materials by three dimension model

Theoretical study nd yag laser beam interaction with several solid materials by three dimension model

... G laser, had been studied by Willis et ...In laser drilling of metals Increasing the pulse intensity were drawn by Voisy in ...interaction laser beam pulse length and transport medium ...

8

Show all 10000 documents...

Related subjects