laser pulse repetition rate
Characterization of MHz pulse repetition rate femtosecond laser irradiated gold coated silicon surfaces
... MHz pulse repetition rate, the pulse separation time is 40 ns, Au film reaches high temperature due to accumula- tion of heat from successive ...pulses. Laser pulse repeti- tion ...
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Synthesis of magnetic nanofibers using femtosecond laser material processing in air
... Characterization was performed using XRD as a func- tion of femtosecond laser pulse repetition rate. Figure 6 shows XRD pattern of NdFeB magnetic nanofibers gener- ated by femtosecond ...
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Diode laser pumped, high repetition rate, Nd:YLF laser and its frequency conversion
... resulting pulse-build-up times proved to be too fast for the switching times of the acousto-optical ...er pulse is already limited by the damage threshold of the slab ...
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Ozawa, Akira (2009): Frequency combs in the extreme ultraviolet. Dissertation, LMU München: Fakultät für Physik
... the pulse-to-pulse phase coherence has to be preserved in the HHG process for XUV frequency comb ...driving laser exhibits phase noise, the noise will be transfered to the ...driving laser ...
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Laser Surface Annealing of Plasma Sprayed Coatings
... ent repetition rates 10 and 50 ...lower pulse repetition rate (10 Hz) shows a very fine surface layer (~300 nm) that was melted by the pulsed laser (Figure ...5(a), laser pulses ...
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How to perform the dusting technique for calcium oxalate stone phantoms during Ho:YAG laser lithotripsy
... Ho:YAG laser system is limited. During laser lithotripsy, dusting technique usually needs the laser setting of low-pulse energy and high frequency ...Ho:YAG laser with 200-μm fibers ...
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A Modified Laser Deposition Technique for Depositing Titania Nanoparticles on Commercially Pure Titanium Substrates (Mechanical Evaluation)
... YAG laser parameters (except the increasing of pulse repetition rate from (3) to (6) Hz)were used to coat the substratestostudy their effects on the Titania film properties (from ...
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Titanium alloy welding using middle range power pulsed wave laser
... Scanning using 100Hz of pulse repetition rate and 1.255 of laser energy, it needs to be done with pulse width 0.6ms and above to avoid sputtering problem.. Figure 2 shows the effect of e[r] ...
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Melted zone shapes transformation in titanium alloy welded using pulse wave laser
... Nd:YAG laser with defocused laser beam ...[5]. Pulse wave laser will result to unstable welding beads depth and width where the process is a repetition of heating and chilling ...with ...
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Dissimilar materials laser welding characteristics of stainless steel and titanium alloy
... Different combination of parameters, namely pulse width t,, pulse repetition rate C,f and energy E were used to perform a blank irradiation on AISI 316L and Ti6A14V.. This experiment was[r] ...
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Wettability and Surface Morphology Investigation of RGP Eye Contact Lens Irradiated by 193 nm Excimer Laser
... ArFexcimer laser, at 1 Hz pulse repetition rate with 75 mJ/pulse energy to improve surface ...The laser irradiation without changing the chemical bonds has modified the lens ...
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Microfluidics for Ultrafast Spectroscopy
... As discussed above, ultrafast transient spectroscopy is suitable for the study of biological samples. These samples are usually made of purified and solvated proteins. Once a particular molecule is excited, the deposited ...
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Time-resolved X-ray absorption spectroscopy
... second laser pulse with the electron bunch within a specialised insertion device in the stor- age ring, so that the interaction between them slices out two wedges that have the time structure of the ...
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Ultrashort laser processing of glass : cutting and micro surface structuring of soda lime glass
... a laser repetition rate between of 100 kHz up to 400 ...kHz repetition rate did not work, the maximum power output of the laser was too low for this repetition rate ...
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Generation of Ultrahigh Speed, Ultrashort Flat-Top Picosecond Electrical Pulses by Laser Pulse Shaping and Ultrafast Electro-Optics Sampling
... the pulse repetition rate of 10 GHz and a rise or fall time of 15 ps could be achievable ...pulses, laser pulse shaping technique based on Michelson interferometer [8] would be a better ...
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Optimization of laser cutting parameters on the laminated carbon fibre reinforced plastics (CFRP) composites using DOE Technique
... speed, pulse energy, pulse repetition rate and pulse ...of pulse energy (A), pulse repetition rate (B), pulse duration (C) and cutting speed (D) on ...
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Fiber Laser Welding of Dissimilar 2205/304 Stainless Steel Plates
... pulsed-fiber laser welding on an austenitic-duplex stainless steel butt joint configuration was ...power, pulse repetition rate, and pulse width on the weld beads geometry was studied ...
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Analysis of laser ablation plumes by laser induced breakdown spectroscopy and quadrupole mass spectrometry: a comparative study
... Nd:YAG laser, frequency doubled to produce an output at 532 nm, with 4-6 ns pulse length and a peak power of 200 ...The laser acts as both an excitation source for LIBS and a sampling method to ...
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Study of nanostructure growth with nanoscale apex induced by femtosecond laser irradiation at megahertz repetition rate
... incoming laser pulse absorption and nitrogen gas ...13-MHz repetition rate machining, the plasma spe- cies expand wider, and thus, the redeposition back to the target surface occurs over a ...
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Evaluation of molten zone in glass welding using ultra short pulsed laser
... Influence of polarization Two kinds of glass - borosilicate glass and fused silica glass were irradiated under various feed rate 10 ~ 200mm/s, pulse repetition rate and different polariz[r] ...
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