ultra-short laser pulses
Selective ablation of thin films using ultra-short laser pulses
... Figure 41: SEM area of LLEC. The SEM was a Phenom FEI scanning electron microscope. Samples were loaded into the base unit for optical microscopy before pumping downing for SEM. ...
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Ultra short laser pulses and coupled cavity mode locking in a KCI:TI colour centre laser
... dye laser systems, the gain medium has much shorter upper lasing level lifetime ...the laser also favours cw operation since there is less energy being stored and so the Q-switch effect becomes ...and ...
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Dreher, Matthias (2005): Experimental Demonstration of Superradiant Amplification of Ultra-Short Laser Pulses in a Plasma. Dissertation, LMU München: Fakultät für Physik
... single short pulse requires above all a much improved input signal ...fs laser pulses in the mJ-range are reliably produced by commercially available Ti:Sapphire based laser ...signal ...
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Inertial displacement of a domain wall excited by ultra short circularly polarized laser pulses
... by ultra-short laser pulses is a pre-requisite for envisaged low-power spintronics combining storage of information in magnetoelectronic devices with high speed and long distance transmission ...
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Plasma density measurements using chirped pulse broad-band Raman amplification
... counter-propagating, ultra-short laser pulses with a spectral bandwidth larger than twice the plasma frequency, amplification occurs at the Stokes wavelengths, which results in regions of gain ...
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Processing of ultra short optical pulses for high bit rate optical communications
... Two approaches can be considered for regeneration. The first, known as Optical- Electronic-Optical regeneration, relies on segmenting the system into independent trunks and uses Optical-Electronic (O-E) conversion by ...
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Amplification and generation of ultra-intense twisted laser pulses via stimulated Raman scattering
... , ultra-fast optical communications 6,7 , quantum computing 8 and astrophysics 9 ...and short (with 10–100 fs durations) twisted laser beams could also excite strongly nonlinear plasma waves suitable ...
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Ultra-short, beamed source of laser-driven epithermal neutrons
... in laser-driven sources has enabled the production of sub-ns neutron pulses useful for many ap- plications in science [1], industry [2, 3], security [4] and healthcare [5] either directly, or by moderating ...
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Interaction of an Ultra-Short Laser Pulse and Ultra-Intense with a Dielectric
... The electron density in the conduction band and the optical breakdown-OBT threshold were calculated, and a comparison with the experimental measurements is made. We have found that our results are in good agreement with ...
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Inertial displacement of a domain wall excited by ultra short circularly polarized laser pulses
... The III-V based ferromagnetic semiconductor used in our study is an ideal model system for the proof of concept demonstration, as well as, for the detailed theoretical analysis of the DW dynamics in this new regime. DWs ...
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Enhance the Terahertz Wave by Varying the Laser Beam Intensity via Relativistic Plasma
... impacting short laser pulses characterized with solid targets (nonlinear crystals or semiconductors) [13, ...pulse. Laser with ultra-short pulse was employed by Leemans ...
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Optical pumped ultra-short pulse CO2 lasers as drivers of laser-plasma accelerators and other applications
... pumped ultra-short pulsed CO2 laser can be designed, which would be suitable for many applications including XUV photolithography, remote sensing and driving a laser wakefield ...producing ...
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Heissler, Patrick (2012): Relativistic laser plasma interaction: a novel route to intense, single attosecond pulses. Dissertation, LMU München: Fakultät für Physik
... light pulses with durations as short as 80 as [21] is the non-linear interaction of a moderately intense laser pulse with a noble gas ...the laser increases in strength to the point, that an ...
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The dynamics of compact laser pulses
... ( ). The same parameter set is used to numerically solve ( 6 ) for a collection of trajectories for charged particles, each arranged initially around the circumference of a circle in a plane orthogonal to the propagation ...
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Yb doped femtosecond lasers and their frequency doubling
... of pulses in picosecond regimes ...that pulses as short as 390 fs can be produced by an electrically pumped mode-locked quantum-dot laser ...sub-picosecond pulses up to 500 fs ...
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The dynamics of compact laser pulses
... in laser technology have made possible the exploration of physical processes on unprecedented temporal and spatial ...using laser-matter ...) laser pulses can be produced using Q-switching or ...
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Generation of Ultrahigh Speed, Ultrashort Flat-Top Picosecond Electrical Pulses by Laser Pulse Shaping and Ultrafast Electro-Optics Sampling
... electrical pulses, laser pulses are first longitudinally shaped through two sets of YVO4 crystals and then detected through ultrafast electro-optics ...electrical pulses that are produced ...
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Frequency-Swept Pulses in Ultra-Wideline NMR
... Non-negative Tikhonov fitting (NNTF) procedure for separating overlapping powder patterns originating from magnetically distinct nuclides according to differences in their T 2 relaxa[r] ...
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Study of the nonlinear propagation of femtosecond laser pulses
... The need to image fast phenomena has lead to many novel technologies and ever-faster imaging systems. Film-based cameras capture events in microseconds by using mechanical motion to direct the light to different parts of ...
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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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