Optical Cavity and laser Modes
... mirrors, and perpendicular to them. The optical axis is in the middle of the optical cavity. Aperture -The beam diameter limiting factor inside the laser cavity. Usually the aperture is determined by the diameter of the active medium, but in some lasers a pinhole is inserted into the laser cavity to ...
... mirrors, and perpendicular to them. The optical axis is in the middle of the optical cavity. Aperture -The beam diameter limiting factor inside the laser cavity. Usually the aperture is determined by the diameter of the active medium, but in some lasers a pinhole is inserted into the laser cavity to ...
Optical fibres solutions
... light propagates along the fibre it cannot be a cause of loss. The numerical aperture of a fibre is a number used to determine how easy it is to get light in to a fibre and is not a cause of loss. Dispersion is the spreading of the pulse and though the light pulse would have a lower intensity it wil ...
... light propagates along the fibre it cannot be a cause of loss. The numerical aperture of a fibre is a number used to determine how easy it is to get light in to a fibre and is not a cause of loss. Dispersion is the spreading of the pulse and though the light pulse would have a lower intensity it wil ...
Chemical Dynamics, Thermochemistry, and Quantum Chemistry
... Plot the temperature versus time data on a full scale graph. Draw straight lines (not necessarily flat) through both the initial and final temperature baselines. These need not be parallel to one another or have zero slope. ...
... Plot the temperature versus time data on a full scale graph. Draw straight lines (not necessarily flat) through both the initial and final temperature baselines. These need not be parallel to one another or have zero slope. ...
lab 7 Wave Optics
... Arrange the laser and the slide with double slits on the optics bench. The laser should be parallel to the optics bench and perpendicular to the slide, and its beam should be aimed at one of the pairs of slits. The screen should be vertical and perpendicular to the optics bench. By inspection, make ...
... Arrange the laser and the slide with double slits on the optics bench. The laser should be parallel to the optics bench and perpendicular to the slide, and its beam should be aimed at one of the pairs of slits. The screen should be vertical and perpendicular to the optics bench. By inspection, make ...
Molecules in Motion - Martin Quack
... a conceptually new approach to derive these primary processes of intramolecular kinetics on time scales leading into the femtosecond and subfemtosecond (attosecond) domain on the basis of infrared spectroscopy with high frequency resolution but without short-time resolution. Selected applications in ...
... a conceptually new approach to derive these primary processes of intramolecular kinetics on time scales leading into the femtosecond and subfemtosecond (attosecond) domain on the basis of infrared spectroscopy with high frequency resolution but without short-time resolution. Selected applications in ...
Electron spectroscopy of atoms and molecules using synchrotron
... An atom consists of a positively charged nucleus and of a cloud of negatively charged electrons orbiting around the nucleus. All molecules are an aggregation of two or more atoms, the molecular structure is determined by the interaction between the electrons of different atoms constituting the molecu ...
... An atom consists of a positively charged nucleus and of a cloud of negatively charged electrons orbiting around the nucleus. All molecules are an aggregation of two or more atoms, the molecular structure is determined by the interaction between the electrons of different atoms constituting the molecu ...
Interference of Light waves Wave Optics
... coherent source and can interfere. • Interference: Coherent waves – Full wavelength difference = Constructive – ! wavelength difference = Destructive • Multiple Slits (2 or more slits with separation d) ...
... coherent source and can interfere. • Interference: Coherent waves – Full wavelength difference = Constructive – ! wavelength difference = Destructive • Multiple Slits (2 or more slits with separation d) ...
Using GPUs for Real time Prediction of Optical Forces on Microsphere Ensembles
... • Simulation is very computationally intensive – Brownian motion in fluid – Interacting particles – Ray-particle interactions – Very small time steps ...
... • Simulation is very computationally intensive – Brownian motion in fluid – Interacting particles – Ray-particle interactions – Very small time steps ...
Aalborg Universitet Near-field electrospinning of dielectric-loaded surface plasmon polariton waveguides
... The increasing demand of faster and smaller devices have significantly increased the attention of the scientific world on surface plasmons, since they are now well known to be a way to reduce the dimension of the photonics integrated circuits and, at the same time, to keep high performances in terms ...
... The increasing demand of faster and smaller devices have significantly increased the attention of the scientific world on surface plasmons, since they are now well known to be a way to reduce the dimension of the photonics integrated circuits and, at the same time, to keep high performances in terms ...
Density Matrix Calculation of Surface Enhanced
... 1012-1014 have been estimated.3,4 At the same time, nanoparticle/nanoarray design has become more sophisticated, and new platforms for SERS are being made available. One recent set of SERS experiments by Jackson, et al.,5,6 uses small silica spheres coated with silver shells. These metal nanoshells ...
... 1012-1014 have been estimated.3,4 At the same time, nanoparticle/nanoarray design has become more sophisticated, and new platforms for SERS are being made available. One recent set of SERS experiments by Jackson, et al.,5,6 uses small silica spheres coated with silver shells. These metal nanoshells ...
Analysis of the detective quantum efficiency of
... An amplification processis one in which there are more output quanta than input quanta. The mean gain is given by g and the variance in the gain by 0,“. The variance can be used to include the effect of terms such as Swank noise.“’ The propagation of signal and noise through such a process is govern ...
... An amplification processis one in which there are more output quanta than input quanta. The mean gain is given by g and the variance in the gain by 0,“. The variance can be used to include the effect of terms such as Swank noise.“’ The propagation of signal and noise through such a process is govern ...
Phase distortions in sum- and difference
... Boyd and Kleinman1 presented such a treatment, including walk-off and diffraction. In this weak mixing limit the phase profiles of the output waves are independent of the beam intensities. When energy exchange becomes significant we might expect the output phases to depend on the strength of the mix ...
... Boyd and Kleinman1 presented such a treatment, including walk-off and diffraction. In this weak mixing limit the phase profiles of the output waves are independent of the beam intensities. When energy exchange becomes significant we might expect the output phases to depend on the strength of the mix ...
Laser-based displays: a review - Optical Microsystems Laboratory
... Even though the idea of using lasers for displays was proposed in the 1960s [1], it is the availability of lasers emitting red, green, and blue colors that triggered the recent development of portable laser projectors. An immediate advantage of using spectrally pure laser light for displays is the w ...
... Even though the idea of using lasers for displays was proposed in the 1960s [1], it is the availability of lasers emitting red, green, and blue colors that triggered the recent development of portable laser projectors. An immediate advantage of using spectrally pure laser light for displays is the w ...
Photoassociation of ultracold LiRb molecules: Observation of high efficiency
... using a pair of CCD cameras placed orthogonal to each other and a good overlap is ensured for the PA experiments. The 85 Rb dark-MOT typically contains NRb 1 × 108 85 Rb atoms at a density (nRb ) 4 × 109 cm−3 , with a majority of the 85 Rb atoms in the lower (F = 2) hyperfine level of the 5s 2 S ...
... using a pair of CCD cameras placed orthogonal to each other and a good overlap is ensured for the PA experiments. The 85 Rb dark-MOT typically contains NRb 1 × 108 85 Rb atoms at a density (nRb ) 4 × 109 cm−3 , with a majority of the 85 Rb atoms in the lower (F = 2) hyperfine level of the 5s 2 S ...
PDF Link
... of the spectral phase φωn . We assume Gaussian power spectrum of central frequency ωo [see Fig. 2(a)]. The corresponding temporal correlation function, Γτ, of this source is shown in Fig. 2(b). Figure 2(c) shows the irradiance of the field distribution when the spectral phase distribution is set ...
... of the spectral phase φωn . We assume Gaussian power spectrum of central frequency ωo [see Fig. 2(a)]. The corresponding temporal correlation function, Γτ, of this source is shown in Fig. 2(b). Figure 2(c) shows the irradiance of the field distribution when the spectral phase distribution is set ...
Precession optomechanics - EECS @ UMich
... and thinnest tapered fiber that we can experimentally fabricate while maintaining transmission higher than 90%. The ratio between the bent and the straight part will be then optimized for maximal deformation. To calculate the deformation of the structure resulting from the precession forces by light ...
... and thinnest tapered fiber that we can experimentally fabricate while maintaining transmission higher than 90%. The ratio between the bent and the straight part will be then optimized for maximal deformation. To calculate the deformation of the structure resulting from the precession forces by light ...