Ultrashort Pulse
An ultrashort pulse ultra-violet radiation undulator source driven by a laser plasma wakefield accelerator
... of ultrashort pulse UV radiation has been ...radiation pulse duration, and 50% radia- tion spectral ...radiation pulse duration is a sum of the mean electron duration (28 fs simulated) and ...
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Development of a high-power, ultrashort pulse duration optical parametric amplification system
... the pulse duration deceased substantially as the pump level dropped towards threshold and there was no real correlation between the pump level and the spectral ...
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Exploring the ultrashort pulse laser parameter space for membrane permeabilisation in mammalian cells
... the pulse energy with the results shown in ...the pulse duration, this method of controlling the peak power simultaneously changes the total energy the cell is subjected to during exposure to the femto- ...
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Ultrashort pulse generation from quantum dot semiconductor diode lasers
... one pulse was ...the pulse repetition rate is doubled. A variation of colliding pulse mode locking is harmonic mode locking, where more than two pulses circulate in the cavity, the number being equal ...
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Evaluation of glass welding by ultrashort pulse laser
... In this study, evaluations of molten zones created by high ultra-short pulse laser in borosilicate glass (Schott D263) and fused silica were carried out. Two types of laser with different pulse width were ...
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Ultrashort-pulse laser with an intracavity phase shaping element
... A feedback loop was implemented with a genetic optimization algorithm (GOA) [19,31,32] to achieve a user-defined phase shape. The advantage of such an algorithm in combination with a feedback loop is that the influence ...
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Novel semiconductor based light sources
... of ultrashort-pulse lasers, I will forego any discussion of constant- intensity lasing ...a pulse as it propagates through a dielectric medium and then discuss the different methods that can be used ...
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Parallel diffractive multi-beam ultrafast laser micro-processing
... method to increase the efficiency and throughput of ultrashort pulse laser processing. From multiple-beam interference to micro-lens arrays, previous studies have demonstrated many approaches to create ...
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Femtosecond Laser Direct Joining of Copper with Polyethylene Terephthalate
... the ultrashort pulse width of the laser enables the direct joining of these dissimilar materials, thereby avoiding graphitization of the polymeric ...
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Investigate the Characteristics of Ultrashort Pulses in OCDMA System
... of ultrashort pulses and their applications in communication ...using ultrashort pulses with the help of OPTSIM ...by ultrashort pulses and also to examine the temporal and statistical behavior of ...
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Generation of Ultrahigh Speed, Ultrashort Flat-Top Picosecond Electrical Pulses by Laser Pulse Shaping and Ultrafast Electro-Optics Sampling
... electrical pulse shaper for producing short electrical pulses with very fast rise and fall ...high-speed, ultrashort pulse duration, and ultrashort rise and fall times ...MHz pulse ...
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Solitary Nanostructures Produced by Ultrashort Laser Pulse
... an ultrashort pulse is applied to produce a two-dimensional lattice of solitary bumps or holes on a thin film [4, ...laser pulse (second harmonics of femtosecond laser 785 nm), the lattice spacing ...
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Generation and nonlinear propagation of ultrashort near infrared laser pulses
... the pulse to have, initially, a positive frequency chirp ...the pulse will collapse in upon itself, progressively narrowing as it propagates along the ...a pulse in the negative GVD region will ...
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Generation and propagation of ultrashort laser pulses using nonlinear waveguides
... The pulse duration could be varied just simply by altering the length or the group- velocity-dispersion of the ...the pulse shortening resulting from the combined effect of self-phase- modulation and ...
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Ablation and optical third-order nonlinearities in Ag nanoparticles
... and pulse durations, in this work we present results for the nonlinearities of absorption and index of refraction in a high-purity silica sample implanted with Ag ...
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Pain reduction by continuous intraperitoneal nebulization of ropivacaine during gynecological laparoscopic surgery
... Abstract The objective of this study was to examine the analgesic effect of intraperitoneal nebulization of ropiva- caine during gynecological laparoscopic procedures for patients anesthetized with an ...
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Ultrafast non linear optics for telecommunication applications
... The mode locked emission spectra was measured at different pump power (Figure 3-8). The shift in wavelength is due to thermal expansion of the laser cavity over the duration of the measurement. From the thermal expansion ...
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Conductivity in Jurkat cell suspension after ultrashort electric pulsing
... short pulse with a magnitude of 150 kV/cm and width of 10 ...s pulse with a magnitude of ...ns pulse. The results support the hypothesis that the short electric pulse interacts primarily with ...
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Effects of ultrashort laser pulses on angular distributions of photoionization spectra
... We study the photoelectron spectra by intense laser pulses with arbitrary time dependence and phase within the Keldysh framework. An efficient semianalytical approach using analytical transition matrix elements for ...
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Schreiber, Jörg (2006): Ion Acceleration driven by High-Intensity Laser Pulses. Dissertation, LMU München: Fakultät für Physik
... After the invention of the laser the power was increased mainly by decreasing the laser pulse duration. At the end of the 70’s stagnation set in which could be overcome by the invention of the chirped pulse ...
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