low repetition rate laser
Inscription and characterization of waveguides written into borosilicate glass by a high-repetition-rate femtosecond laser at 800 nm
... second laser to produce waveguides in glassy mate- rials [1] there has been increasing interest in using this technology to fabricate optical devices both in fiber and planar optic configurations and in various ...
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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 ...
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Development of high repetition rate VUV lasers
... 337.1nm Laser Pulse Profile and Sidelight Trace with the BIW Function Switched Off Hydrogen Laser Spectrum Circuit Diagram of the Low Impedance Ferromagnetic Shock Line Driven Hydrogen L[r] ...
308
In-situ photoacoustic measurement of soot profiles in laminar flames using a high repetition-rate pulsed fibre laser
... Calibration of the photoacoustic signal to soot volume fraction was achieved by extinction measurements using a low-power (< 20 mW) 1064-nm diode laser. To improve the sensitivity of the extinction ...
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Ultrafast high repetition rate waveguide lasers
... The widespread prominence of garnets and especially YAG as gain host crystals for bulk lasers has led to a wide interest in creating waveguides in such a material. Successful fabrication techniques have included ion ...
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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 larger ...
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Development of a Laser Repetition Rate Stabilization System for an Intense Laser-Compton Scattering γ-Ray Source
... a repetition rate stabilization system. Repetition rate stabilities were obtained by using a frequency ...the low-pass filter acts as a loop filter, the low-frequency component ...
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High repetition rate Petawatt lasers
... Ti:Sapphire laser, the most common one in those ...vibronic laser that has to be pumped by a blue-green laser with pulses around 10 ns ...for low repetition ...the laser used to ...
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Diode laser pumped, high repetition rate, Nd:YLF laser and its frequency conversion
... An obvious route to imp rove the performance of this end-p um ped slab system is to sh orten the cavity, in orde r to optimise the pulse duration. An attem pt along these lines, by red ucing the resonator length down to ...
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Klingebiel, Sandro (2013): Picosecond pump dispersion management and jitter stabilization in a petawatt-scale few-cycle OPCPA system. Dissertation, LMU München: Fakultät für Physik
... in repetition rate is achieved amongst others when the thermal load is ...the laser (or in the pump laser for ...is laser-diode-pumping which has many advantages over flash- lamp ...of ...
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Laser Surface Annealing of Plasma Sprayed Coatings
... ent repetition rates 10 and 50 ...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 in- duced ...
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Pulsed 980 nm short wavelength infrared neural stimulation in cochlea and laser parameter effects on auditory response characteristics
... SWIR laser with varying pulse ...or laser pulse ...was low, only the hair cells near the sensitive frequency region could be ...with laser radiation, the photo-thermal effect played a role in ...
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A Modified Laser Deposition Technique for Depositing Titania Nanoparticles on Commercially Pure Titanium Substrates (Mechanical Evaluation)
... In addition to the previously mentionedmicro-morphological and AFM analysis,further specific characterizationfor the finally produced coating film; deposited by the selected suspension and laser parameters, were ...
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Fundamental ablation of argon - flouride excimer laser on polymethyl methacrylate by interferomety technique
... excimer laser has been used as the ultraviolet light source while polymethyl methacrylate (PMMA) sample is used as the optical ...The laser ablation was conducted in between 1 to 20 pulses as a fundamental ...
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Hua Fan 1, Meguya Ryu2 , Reo Honda 2, Junko Morikawa 2,3 ,Zhen-Ze Li 1,Lei Wang1 , Jovan Maksimovic 4,5 , Saulius Juodkazis 3,4,5, *, Qi-Dai Chen 1, *, Hong-Bo Sun 6
... Femtosecond laser micro/nano-fabrication as the no contact method can directly pattern subwavelength ripples[12,13] on the surface and 3D microstructures in the transparent materials(polymer[14,15] and ...
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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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Analysis of laser ablation plumes by laser induced breakdown spectroscopy and quadrupole mass spectrometry: a comparative study
... pulsed laser beam as the excitation ...the laser is focussed onto the sample surface (or the effective surface for a gas) and if the fluence exceeds a certain threshold value (typically ≈10 8 Wcm -2 ; this ...
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Optimization of selective laser-induced etching (SLE) for fabrication of 3D glass microfluidic device with multi-layer micro channels
... etch rate than femtosecond regime and the polarization direction of the laser leads a faster etch rate of the lin- early polarized light of the vector perpendicular to the direction of the ...
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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 surface properties ...
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SINTERING OF TITANIUM AND NICKEL NANOPOWDERS WITH A ND:YAG NANOSECOND LASER
... Figure 2 shows the schematic diagram of the test platform. Neutral density filters with different optical densities were used to change the average power without changing other parameters. Power density of the ...
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