Correlation Effects in Two-Electron Model Atoms in Intense Laser
... role during the ionization process, or if there is an intensity threshold where its effect “turns on” or “turns off,” or even if there is a particularly sensitive window of intensities where the effect of correlation is most active. It is also not known how the effect of electron correlation is sync ...
... role during the ionization process, or if there is an intensity threshold where its effect “turns on” or “turns off,” or even if there is a particularly sensitive window of intensities where the effect of correlation is most active. It is also not known how the effect of electron correlation is sync ...
Single-shot measurement of a 52 fs pulse
... recorded with a linear array of CCD. If the two incident pulses are not collinear, the SH signal is only produced where the pulses coincide both spatially and temporally. The exact calculation of the SH beam spatial shape was done by Jansky et al.,10 and we present here their results in a more intui ...
... recorded with a linear array of CCD. If the two incident pulses are not collinear, the SH signal is only produced where the pulses coincide both spatially and temporally. The exact calculation of the SH beam spatial shape was done by Jansky et al.,10 and we present here their results in a more intui ...
Fluorescence of coumarins and xanthenes after two
... note that high peak powers are reached when a pulsed laser is used, although the cw power is quite low. To prove that one can conclude that the peak power of the laser pulses is from the cw power, we performed a simple experiment. The cw power of the titanium–sapphire laser was measured 3 times with ...
... note that high peak powers are reached when a pulsed laser is used, although the cw power is quite low. To prove that one can conclude that the peak power of the laser pulses is from the cw power, we performed a simple experiment. The cw power of the titanium–sapphire laser was measured 3 times with ...
b1.2. generation and propagation of higher order gaussian beams
... Generation of higher order modes are interesting because of the phase singularity and the characteristic intensity distribution. In particular, the dark region is very useful to manipulate particles in single beam optical traps [1]. Large number of vortices available in higher order modes could be a ...
... Generation of higher order modes are interesting because of the phase singularity and the characteristic intensity distribution. In particular, the dark region is very useful to manipulate particles in single beam optical traps [1]. Large number of vortices available in higher order modes could be a ...
Measurement and correction of aberrations in light and electron
... Abstract (English) Imperfections in image formation, called aberrations, often preclude microscopes from reaching diffraction-limited resolution. Aberrations can be caused either by the microscope itself or by the sample and can be compensated for by using an active element integrated into the bea ...
... Abstract (English) Imperfections in image formation, called aberrations, often preclude microscopes from reaching diffraction-limited resolution. Aberrations can be caused either by the microscope itself or by the sample and can be compensated for by using an active element integrated into the bea ...
High-Resolution Retinal Imaging using Adaptive Optics in a
... A significant part of this eye research deals with, or benefits from, being able to image the different structures of the eye; this includes the retina which is the focus of the work being presented in this thesis. The eye, however, is an organ designed to look out and not to be looked into, and we ...
... A significant part of this eye research deals with, or benefits from, being able to image the different structures of the eye; this includes the retina which is the focus of the work being presented in this thesis. The eye, however, is an organ designed to look out and not to be looked into, and we ...
Attosecond lighthouse driven by sub-two
... integrating each XUV spectrum along the energy axis for the entire energy range. Wavefront rotation converts the temporal information to spatial information. Therefore, the black curves directly show the XUV beam intensity profiles in time. In each spectrum, there are three beamlets separated by abou ...
... integrating each XUV spectrum along the energy axis for the entire energy range. Wavefront rotation converts the temporal information to spatial information. Therefore, the black curves directly show the XUV beam intensity profiles in time. In each spectrum, there are three beamlets separated by abou ...
The Physics of the Optical Fibre
... to capture pictures of astronomical objects of a quality previously only obtainable from the Hubble Space Telescope. The optical fibre in this case is used to pipe the laser power needed to create the artificial star from the lasers to the telescope itself. - As light is not affected noticeably by e ...
... to capture pictures of astronomical objects of a quality previously only obtainable from the Hubble Space Telescope. The optical fibre in this case is used to pipe the laser power needed to create the artificial star from the lasers to the telescope itself. - As light is not affected noticeably by e ...
Chapter 2 Femtosecond Laser Pulses - diss.fu
... because focusing the beam increases the focal ”power” of this ”lens”. The increase of the focusing stops when the diameter of the beam is small enough and the linear diffraction is large enough to balance the Kerr effect. Consider now a seed beam with a Gaussian profile propagating through a nonline ...
... because focusing the beam increases the focal ”power” of this ”lens”. The increase of the focusing stops when the diameter of the beam is small enough and the linear diffraction is large enough to balance the Kerr effect. Consider now a seed beam with a Gaussian profile propagating through a nonline ...
MEMS for micro optics: from fiber optic communication to display
... attenuators (VOA) in collaboration with Santec Corp., Japan [5]. Figure 2 schematically shows the fiber optic network connecting the transmitters (left) and receivers (right). The light signals of different wavelengths are generated by the laser diodes and modulated before combined into a single mod ...
... attenuators (VOA) in collaboration with Santec Corp., Japan [5]. Figure 2 schematically shows the fiber optic network connecting the transmitters (left) and receivers (right). The light signals of different wavelengths are generated by the laser diodes and modulated before combined into a single mod ...
Quantitative determination of chromophore concentrations from 2D
... those in tumors, while the ability to map and quantify targeted contrast agents may allow the study of disease processes at a molecular level [8]. An earlier study demonstrated the recovery of absolute blood oxygenation from photoacoustic spectra detected in a cuvette filled with blood using a model ...
... those in tumors, while the ability to map and quantify targeted contrast agents may allow the study of disease processes at a molecular level [8]. An earlier study demonstrated the recovery of absolute blood oxygenation from photoacoustic spectra detected in a cuvette filled with blood using a model ...
Holography: origin, basic principle and applications of a
... Renaissance, during which works of extraordinary worldwide acknowledged beauty were passed down in history. In the great surprising changes in the history of art which took place in Greece around the 6th century BC, the Greek artists, differently from the Egyptians, tried to improve the scenes beari ...
... Renaissance, during which works of extraordinary worldwide acknowledged beauty were passed down in history. In the great surprising changes in the history of art which took place in Greece around the 6th century BC, the Greek artists, differently from the Egyptians, tried to improve the scenes beari ...
Synthesis of highly focused fields with circular
... requirements of a specific problem [10]. Interestingly, several authors described inverse methods to find the pupil function from a predetermined field distribution in the focal area [11, 12]. Light shaping can be accomplished by using an optical setup able to generate beams with arbitrary polariza ...
... requirements of a specific problem [10]. Interestingly, several authors described inverse methods to find the pupil function from a predetermined field distribution in the focal area [11, 12]. Light shaping can be accomplished by using an optical setup able to generate beams with arbitrary polariza ...
Soliton pairs in a fiber laser: from anomalous to normal average
... the simplest case, which consists of two interacting pulses, it was shown that a soliton pair with a fixed separation and a relative phase around ±90° could form [5], as predicted theoretically in the frame of the complex quintic Ginzburg-Landau equation (CQGLE) [7]. This type of multisoliton state ...
... the simplest case, which consists of two interacting pulses, it was shown that a soliton pair with a fixed separation and a relative phase around ±90° could form [5], as predicted theoretically in the frame of the complex quintic Ginzburg-Landau equation (CQGLE) [7]. This type of multisoliton state ...
NSS-MIC 2009 Conference Record Template
... in the early phase of the light pulse. This is of particular interest to tag events at future high-energy physics colliders, such as CLIC, with a bunch-crossing rate of 2 GHz, as well as for a new generation of Time of Flight Positron Emission Tomographs (TOFPET) aiming at a timing resolution of 100 ...
... in the early phase of the light pulse. This is of particular interest to tag events at future high-energy physics colliders, such as CLIC, with a bunch-crossing rate of 2 GHz, as well as for a new generation of Time of Flight Positron Emission Tomographs (TOFPET) aiming at a timing resolution of 100 ...