High-Resolution Retinal Imaging using Adaptive Optics in a
... The work described in the remaining pages of this thesis is only a part of what the whole PhD experience is about – the easiest part to write about. Trying to describe this experience is a next-to-impossible task; so I will not attempt such a feat. It suffices to say that all the hyperbolic clichés ...
... The work described in the remaining pages of this thesis is only a part of what the whole PhD experience is about – the easiest part to write about. Trying to describe this experience is a next-to-impossible task; so I will not attempt such a feat. It suffices to say that all the hyperbolic clichés ...
Application of Fast Light in Gravitational Wave Detection with ... In this paper, we study several designs for interferometric...
... order to detect weaker sources of GW. Furthermore, more sensitive detectors may make the detection of GWs much easier as an engineering project, possibly using configurations that are far more compact than the LIGO type systems. We have shown8 both theoretically and experimentally that incorporating ...
... order to detect weaker sources of GW. Furthermore, more sensitive detectors may make the detection of GWs much easier as an engineering project, possibly using configurations that are far more compact than the LIGO type systems. We have shown8 both theoretically and experimentally that incorporating ...
Free-space optical communications have distinct advantages over
... signal. However, these systems are too large and expensive. The next generation of adaptive optics systems should be substantially smaller and less expensive in order to facilitate widespread application. The goal of this thesis is the investigation of a wavefront sensorless adaptive optics system w ...
... signal. However, these systems are too large and expensive. The next generation of adaptive optics systems should be substantially smaller and less expensive in order to facilitate widespread application. The goal of this thesis is the investigation of a wavefront sensorless adaptive optics system w ...
A| ω - Enrico Rubiola
... to the expected RF frequency. This increased size was found to be necessary to reduce RF magnetic fields at the exterior of the (now relatively larger) spacer. ...
... to the expected RF frequency. This increased size was found to be necessary to reduce RF magnetic fields at the exterior of the (now relatively larger) spacer. ...
Heidelberg Retina Tomograph - HRT
... right hand side show the variations of the measured surface height along the horizontal lines superimposed on the topography images. The normal eye shows a regular shape of the cross section through the cup with a low slope on the temporal side and a higher slope nasally. The cross section through t ...
... right hand side show the variations of the measured surface height along the horizontal lines superimposed on the topography images. The normal eye shows a regular shape of the cross section through the cup with a low slope on the temporal side and a higher slope nasally. The cross section through t ...
Acousto-Optic Effect and Its use in Signal Processing Abstract 1
... the same polarization as the incident light. In a later monograph, he shows that this is true to a very good approximation, even in the case of strong interaction where the perturbation theory fails. During the 1960s, the character of acousto-optics changed completely. The invention of the laser cre ...
... the same polarization as the incident light. In a later monograph, he shows that this is true to a very good approximation, even in the case of strong interaction where the perturbation theory fails. During the 1960s, the character of acousto-optics changed completely. The invention of the laser cre ...
chenjiqualv04 - Physics at UC Merced
... material. There is no long-lived excited state, so the FOPO cavity must be aligned so that it is synchronous with that of the pump laser cavity. The goal is to amplify the parametric scattering after each round trip through the system, and so a new pump pulse must be passing through the PCF when the ...
... material. There is no long-lived excited state, so the FOPO cavity must be aligned so that it is synchronous with that of the pump laser cavity. The goal is to amplify the parametric scattering after each round trip through the system, and so a new pump pulse must be passing through the PCF when the ...
Micron-scale modifications of Si surface morphology by pulsed
... objective lens with a resolution of ⬃50 nm. To facilitate placement of the sample surface at the focal plane of the objective lens, we insert a Fresnel beam splitter in the optical path and focus the light reflected from the sample surface onto a small aperture placed in front of a photodetector; th ...
... objective lens with a resolution of ⬃50 nm. To facilitate placement of the sample surface at the focal plane of the objective lens, we insert a Fresnel beam splitter in the optical path and focus the light reflected from the sample surface onto a small aperture placed in front of a photodetector; th ...
Printable T
... The object stands in front of a convex mirror. Consider first the P-ray: it leaves the top of the object as a parallel ray, and when it hits the convex mirror it is reflected. The reflected ray passes through the focal point of the spherical mirror. Even though the ray would be reflected up and away ...
... The object stands in front of a convex mirror. Consider first the P-ray: it leaves the top of the object as a parallel ray, and when it hits the convex mirror it is reflected. The reflected ray passes through the focal point of the spherical mirror. Even though the ray would be reflected up and away ...
Characterization of Encircled Flux Source For Multimode
... With increasing adoption of high speed fiber networks, qualifying the infrastructure becomes imperative before deployment. Be it Ethernet standards or the Fiber Channel standards, the primary performance metric has always been the insertion loss (attenuation) of the channel. The performance specific ...
... With increasing adoption of high speed fiber networks, qualifying the infrastructure becomes imperative before deployment. Be it Ethernet standards or the Fiber Channel standards, the primary performance metric has always been the insertion loss (attenuation) of the channel. The performance specific ...
Little big photon - Research Laboratory of Electronics
... that prevents the cavity of filling up with input light that is applied to the cavity. Thus in the presence of a stored gate photon (i.e., an atom in the state s), a source beam incident onto the cavity is reflected off the input mirror of the cavity, while in the absence of a stored gate photon the ...
... that prevents the cavity of filling up with input light that is applied to the cavity. Thus in the presence of a stored gate photon (i.e., an atom in the state s), a source beam incident onto the cavity is reflected off the input mirror of the cavity, while in the absence of a stored gate photon the ...
Total internal reflection photonic crystal prism
... The presence of an evanescent field is the signature of near-field optics. There are two main characteristics of these waves that distinguish them from propagating waves. The first is their intensity profile, which exponentially decays away from the source that created them. This means that they are ...
... The presence of an evanescent field is the signature of near-field optics. There are two main characteristics of these waves that distinguish them from propagating waves. The first is their intensity profile, which exponentially decays away from the source that created them. This means that they are ...
Interference3
... Of one of the interfering beams displaces the entire Fringe system through a distance ...
... Of one of the interfering beams displaces the entire Fringe system through a distance ...
Real-time digital holographic microscopy Ventseslav Sainov and Elena Stoykova
... which makes it especially suitable for microscopy [4] as quantitative phase-contrast imaging of transparent biological samples without need of multiple exposures or mechanical scanning [5,6], numerical focusing at different planes within the space occupied by a bulky object and, hence, its 3D recons ...
... which makes it especially suitable for microscopy [4] as quantitative phase-contrast imaging of transparent biological samples without need of multiple exposures or mechanical scanning [5,6], numerical focusing at different planes within the space occupied by a bulky object and, hence, its 3D recons ...
UNIVERSIDAD DE MURCIA ABERRACIONES EN LENTES OFTÁLMICAS DE POTENCIA
... El sistema acomodativo del ojo humano permite enfocar objetos a diferentes distancias. Según la teoría de Helmholtz, para enforcar objetos cercanos, el músculo ciliar se contrae y las fibras axiales de la zónula se relajan produciendo un aumento del espesor y de la curvatura de las superficies del c ...
... El sistema acomodativo del ojo humano permite enfocar objetos a diferentes distancias. Según la teoría de Helmholtz, para enforcar objetos cercanos, el músculo ciliar se contrae y las fibras axiales de la zónula se relajan produciendo un aumento del espesor y de la curvatura de las superficies del c ...
Influence of the Brownian movement on the motion of nano
... The results of these investigations can find their practi− cal use in applied biomedicine [12] as well as in various directions of singular polarization optics [13–15]. The offered paper is a continuation of investigations [16,17] of the influence of spatial modulations of the aver− aged Poynting ve ...
... The results of these investigations can find their practi− cal use in applied biomedicine [12] as well as in various directions of singular polarization optics [13–15]. The offered paper is a continuation of investigations [16,17] of the influence of spatial modulations of the aver− aged Poynting ve ...
Ammonia Optical Sensing by Microring Resonators
... Other approaches to NH3 sensing are based on potentiometer electrodes [5], infrared gas analyzers [6] and conducting polymers [7]. Different kinds of optical ammonia concentration sensors, based on monitoring the absorption or fluorescence characteristics of sensing films deposited onto an optical f ...
... Other approaches to NH3 sensing are based on potentiometer electrodes [5], infrared gas analyzers [6] and conducting polymers [7]. Different kinds of optical ammonia concentration sensors, based on monitoring the absorption or fluorescence characteristics of sensing films deposited onto an optical f ...
Femtosecond self-guided atmospheric light strings
... the beam neither diffracts not self-focuses but instead maintains a stationary waveguide. A more refined calculation for a Gaussian beam yields a more accurate estimate of the critical power. Moreover, the critical power for collapse increases for ultrashort laser pulses when the wavelength is such ...
... the beam neither diffracts not self-focuses but instead maintains a stationary waveguide. A more refined calculation for a Gaussian beam yields a more accurate estimate of the critical power. Moreover, the critical power for collapse increases for ultrashort laser pulses when the wavelength is such ...
DesignCon 2013 Advances in Onboard Optical Interconnects: A New Generation of Miniature Optical
... (typically 4 bidirectional channels). Recently, bidirectional 8 and 12 channel devices have been sampling as pre-commercial products. Larger devices with channel counts in the 100’s have been demonstrated in research. Most optical engines include an electronic driver circuitry that will reshape and ...
... (typically 4 bidirectional channels). Recently, bidirectional 8 and 12 channel devices have been sampling as pre-commercial products. Larger devices with channel counts in the 100’s have been demonstrated in research. Most optical engines include an electronic driver circuitry that will reshape and ...
Nanosecond laser-induced breakdown in pure and - AS
... duration, focused to a 7.45-µm-radius spot inside a fused silica window, to measure the single shot optical breakdown threshold irradiances of 4.7E11 and 6.4E11 W/cm2 respectively for pure fused silica, and for a 1% Yb3+ doped fused silica preform of Liekki’s Yb1200 fiber. These irradiances have bee ...
... duration, focused to a 7.45-µm-radius spot inside a fused silica window, to measure the single shot optical breakdown threshold irradiances of 4.7E11 and 6.4E11 W/cm2 respectively for pure fused silica, and for a 1% Yb3+ doped fused silica preform of Liekki’s Yb1200 fiber. These irradiances have bee ...
Light Source Notes
... This Note continues a Series of works aimed (i) to investigate the performance of the existing LTP instrument as well as (ii) to determine its potential capabilities, and (iii) to lay out the measures and means for improvement of surface slope measurement with the LTP. Preface to Part 5 In Part 1 [1 ...
... This Note continues a Series of works aimed (i) to investigate the performance of the existing LTP instrument as well as (ii) to determine its potential capabilities, and (iii) to lay out the measures and means for improvement of surface slope measurement with the LTP. Preface to Part 5 In Part 1 [1 ...