femtosecond pulses
Broadly tunable femtosecond pulses around 2.06 µm from a diode-pumped Tm 3+ -doped solid-state laser source
... the femtosecond pulses was realized in a compact configuration through the use of a steeply diving birefringent filter ...ultrashort pulses in the ...
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Fernández González, Alma (2007): Chirped Pulse Oscillators: Generating microjoule femtosecond pulses at megahertz repetition rate. Dissertation, LMU München: Fakultät für Physik
... Standard femtosecond laser oscillators deliver pulses with energies of merely a few nano- joules, which is insufficient to write waveguide structures in bulk material (required pulse energies >10 nJ [25, ...
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Broadly tunable femtosecond pulses around 2 06 µm from a diode pumped Tm3+ doped solid state laser source
... the femtosecond pulses was realized in a compact configuration through the use of a steeply diving birefringent filter ...ultrashort pulses in the ...
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Zeidler, Dirk (2002): Coherent Control of Molecular Dynamics with Shaped Femtosecond Pulses. Dissertation, LMU München: Fakultät für Physik
... Fig. 3.1 shows the experimental setup. The WLC is produced in a 2mm sapphire plate from a small fraction of the fundamental pulse of a commercial Ti:Sa laser system (812nm, 100fs, 300 µJ, 1kHz). The pulse shaper to ...
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Ueffing, Moritz (2018): Direct amplification of femtosecond pulses. Dissertation, LMU München: Fakultät für Physik
... nel introduces a multi-pass amplifier prior to the pulse compressors to boost the energy to 10 mJ corresponding to 1 kW average power. The following MPC based compression stage holds promise to be implemented without ...
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Nanoimprinted distributed feedback lasers of solution processed hybrid perovskites
... a femtosecond laser (pulse duration ~200 fs). Femtosecond pulses were generated by the 515 nm 2nd harmonic of a PHAROS regenerative amplifier, with 200 fs pulses, with the repetition rate ...
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Study of the nonlinear propagation of femtosecond laser pulses
... of femtosecond pulses in a Kerr ...laser pulses propagate in Kerr media has generated widespread interest since the phenomena was first observed ...power femtosecond pulses in air into ...
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Holzwarth, Ronald (2001): Measuring the Frequency of Light using Femtosecond Laser Pulses. Dissertation, LMU München: Fakultät für Physik
... Optical pulses shorter than 1 ps could be produced and improvements in the cavity design allowed breaking of the 100 fs ...fs pulses from a Rhodamine 6G dye laser emitting around 620 nm ...10 ...
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Yb doped femtosecond lasers and their frequency doubling
... hundred femtosecond regimes, earning him the Nobel Prize for Chemistry in ...laser femtosecond pulses, the chemical reaction, bonding, and breaking within atoms or molecules can be studied in slow ...
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Contrasting levels of absorption of intense femtosecond laser pulses by solids
... between the peak values and the longer duration lower intensity portions is an important parameter. Progress in the last decade has made high contrast, ‘cleaner’ femtosecond pulses available in the lab. It ...
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Electrostrictive Mechanism of Nanostructure Formation at Solid Surfaces Irradiated by Femtosecond Laser Pulses
... The significance of the mechanical pressure of light in creation of laser-induced periodic surface structures (LIPSSs) is investigated. Distributions of the electrically induced normal pressure and tangential stress at ...
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Synthesis of 3D nanostructured metal alloy of immiscible materials induced by megahertz repetition femtosecond laser pulses
... nanoparticles, thus facilitating the agglomeration of the nanoparticles into a 3D nanostructure. The shock wave that travels through the sample, as a result of irradia- tion with laser pulses, causes rapid ...
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Femtosecond Spin Current Pulses Generated by the Nonthermal Spin Dependent Seebeck Effect and Interacting with Ferromagnets in Spin Valves
... 9], femtosecond laser excitation is promising for SC pulse generation on subpicosecond time scales, before the electron-electron [9] and electron-lattice [8] equilibration is ...a femtosecond time scale ...
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Characterisation and performance of a Terfenol-D coated femtosecond laser inscribed optical fibre Bragg sensor with a laser ablated microslot for the detection of static magnetic fields
... a femtosecond laser (a High Q femtoREGEN laser operating at 1035nm, with pulse duration of 300fs, 1kHz pulse repetition rate with the pulse energy being controlled by a variable ...of femtosecond inscribed ...
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The evolution of corneal and refractive surgery with the femtosecond laser
... the femtosecond laser at two-thirds of the corneal thick- ness and the implantation of plastic polymethylmethacry- late biocompatible segments peripherally in the tunnels for the mechanical flattening of the ...
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Corneal biomechanical properties after SMILE versus FLEX, LASIK, LASEK, or PRK: a systematic review and meta-analysis
... introduced to the market in 2002, the corneal flap can be produced by FS laser instead of a microkeratome (FS-LASIK) [9]. Laser-assisted sub-epithelial keratec- tomy (LASEK) is another common type of refractive surgery ...
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Search | Preprints
... dispersive medium) of chirped rectangular pulses, which can converge to extremely narrow pulses; analytical 663. approximation for the evolution of Super-Gaussian pulses in disp[r] ...
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Collision of Nonlinear Envelope Pulses Developed in Composite Right- and Left-Handed Transmission Lines Periodically Loaded with Schottky Varactors
... We consider composite right- and left-handed (CRLH) transmis- sion lines [4]. Several interesting managements of dispersive proper- ties of propagating waves have been investigated [5, 6]. A CRLH line also receives ...
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Hörlein, Rainer (2009): Investigation of the XUV Emission from the Interaction of Intense Femtosecond Laser Pulses with Solid Targets. Dissertation, LMU München: Fakultät für Physik
... LWS10 pulses ROM-harmonic generation was not observed despite the relativistic laser intensity and the harmonic emission was thus limited to orders below 21 owing to the properties of the fused silica target ...
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Comparison of visual results and higher-order aberrations after small incision lenticule extraction (SMILE): high myopia vs. mild to moderate myopia
... induction of HOAs after SMILE [1, 12–14, 20, 25–27]. Shah et al. [1] found a significant increase in the RMS, higher-order coma aberrations, spherical aberrations, and 4 th -order astigmatism, but there was no ...
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