Pulsed Solid State Laser with Passive Q
... Flash lamp pump source are relatively cheap and can provide very high powers. They are fairly robust, e.g. immune to voltage or current spikes. The lifetime of lamps is very limited, normally some hundred or up to a few thousand hours. The wall-plug efficiency of the laser is low, typically at most ...
... Flash lamp pump source are relatively cheap and can provide very high powers. They are fairly robust, e.g. immune to voltage or current spikes. The lifetime of lamps is very limited, normally some hundred or up to a few thousand hours. The wall-plug efficiency of the laser is low, typically at most ...
Laser Doppler Flowmetry - a Theoretical Framework
... be the cause of noticeable frequency shifts. Due to the numerous scattering events before hitting a red blood cell, the direction of the incoming propagation vector, ki, can usually be regarded as random compared to the direction of the blood flow. Laser Doppler measurements will thus, unlike ultras ...
... be the cause of noticeable frequency shifts. Due to the numerous scattering events before hitting a red blood cell, the direction of the incoming propagation vector, ki, can usually be regarded as random compared to the direction of the blood flow. Laser Doppler measurements will thus, unlike ultras ...
Imaging of single-chromophore molecules in aqueous
... reported detection of macromolecules or small molecules in solution labeled by single Cy3 or Cy5 chromophores when these became stationary due to association with an immobilized macromolecule.12 They used ISIT and intensified CCD cameras, and both epi-illumination and prism-coupled total internal re ...
... reported detection of macromolecules or small molecules in solution labeled by single Cy3 or Cy5 chromophores when these became stationary due to association with an immobilized macromolecule.12 They used ISIT and intensified CCD cameras, and both epi-illumination and prism-coupled total internal re ...
Atom lithography - Quantum technologies
... Applications. A natural application of atom lithography is the generation of precision rulers at nanometer scales because the laser wavelength determining line spacing is known with extremely high accuracy. A resolution of 1 in 106 has been demonstrated. Nanostructures produced through direct deposi ...
... Applications. A natural application of atom lithography is the generation of precision rulers at nanometer scales because the laser wavelength determining line spacing is known with extremely high accuracy. A resolution of 1 in 106 has been demonstrated. Nanostructures produced through direct deposi ...
A tunable two-impurity Kondo system in an atomic point contact
... constituting a Kondo system [2]. This configuration has been proposed as one of the simplest conceivable systems potentially exhibiting quantum critical behavior [3]. The coupling between the two atoms can be tuned continuously by varying the tip-sample separation, such that the system can be driven ...
... constituting a Kondo system [2]. This configuration has been proposed as one of the simplest conceivable systems potentially exhibiting quantum critical behavior [3]. The coupling between the two atoms can be tuned continuously by varying the tip-sample separation, such that the system can be driven ...
POLARIZATION
... components as shown in Figure 1. This may be due to the arrangement of power input leads to various points on a flat antenna, or due to an interaction of active elements in an array, or many other reasons. The geometric figure traced by the sum of the electric field vectors over time is, in general, ...
... components as shown in Figure 1. This may be due to the arrangement of power input leads to various points on a flat antenna, or due to an interaction of active elements in an array, or many other reasons. The geometric figure traced by the sum of the electric field vectors over time is, in general, ...
microscopy and staining
... principle that cells differ in refractive index (a factor by which light is slowed as it passes through a material) from their surroundings. Light passing through a cell thus differs in phase from light passing through its surroundings. This subtle difference is amplified by a device in the objectiv ...
... principle that cells differ in refractive index (a factor by which light is slowed as it passes through a material) from their surroundings. Light passing through a cell thus differs in phase from light passing through its surroundings. This subtle difference is amplified by a device in the objectiv ...
3d optical data storage
... been given by me in partial fulfilment of the requirement for the award of the degree of Bachelor of Technology in Electronics and Communication Engineering. It was prepared and presented under the esteemed guidance & supervision of Mrs. Gausia Qazi (Senior Lecturer, Department of Electronics and Co ...
... been given by me in partial fulfilment of the requirement for the award of the degree of Bachelor of Technology in Electronics and Communication Engineering. It was prepared and presented under the esteemed guidance & supervision of Mrs. Gausia Qazi (Senior Lecturer, Department of Electronics and Co ...
Atomic Clocks
... and count the number of times it can be laid end to end from one point to the other. To find the elapsed time between two instants we choose a convenient unit, such as the time required by a cer tain pendulum to complete one swing, and count the number of swings in the interval. However, the swings ...
... and count the number of times it can be laid end to end from one point to the other. To find the elapsed time between two instants we choose a convenient unit, such as the time required by a cer tain pendulum to complete one swing, and count the number of swings in the interval. However, the swings ...
Phys. Rev. Lett. 108, 246602
... spin-orbit and hyperfine interactions in the spin relaxation in GaAs quantum dots have not yet been established. The analysis of the two-electron double dot relaxation is challenging because many parameters need to be considered simultaneously: the magnitude and orientation of the magnetic field, th ...
... spin-orbit and hyperfine interactions in the spin relaxation in GaAs quantum dots have not yet been established. The analysis of the two-electron double dot relaxation is challenging because many parameters need to be considered simultaneously: the magnitude and orientation of the magnetic field, th ...
end-of-summer report
... buoyancy instability below. (d) Several theories debatably explain how the flux rope rises as more magnetic field lines undergo reconnection around it. This part of the process represents years of activity as many coronal mass ejections (CMEs) and flares occur over time on a weekly basis. (e,f) Ther ...
... buoyancy instability below. (d) Several theories debatably explain how the flux rope rises as more magnetic field lines undergo reconnection around it. This part of the process represents years of activity as many coronal mass ejections (CMEs) and flares occur over time on a weekly basis. (e,f) Ther ...
... The birefringence property arising from optical anisotropy is used in the study of photoelastic behaviour . The anisotropy may be due to naturally occuring crystalline properties or due to stress induced birefringence. It is the latter that is used in a photoelastic fiber optic strain gauge. In a si ...
What is Beneath the Sunspots? Home Page ____________________________________________
... fields emerge from solar interior and where major eruptive events occurs [6], it was studied individually as a phenomenon with strong magnetic field [5]. Until now, sunspots are conceived as a magnetic flux entity that emerged from sun’s interior [7], but the Helioseismology–methods allowed for in-d ...
... fields emerge from solar interior and where major eruptive events occurs [6], it was studied individually as a phenomenon with strong magnetic field [5]. Until now, sunspots are conceived as a magnetic flux entity that emerged from sun’s interior [7], but the Helioseismology–methods allowed for in-d ...
Analysing the potential for application of the phase shift method in
... grating diaphragms which separate its optical gaps. The width of the gap is to be approximately equal to the width of the groove and, simultaneously, to the light wave length. ...
... grating diaphragms which separate its optical gaps. The width of the gap is to be approximately equal to the width of the groove and, simultaneously, to the light wave length. ...
