The Microscope in a Computer: Image Synthesis from Three
... in which η0 = (µ0 /ǫ0 )1/2 is the wave impedance of free space. Although alternative terminologies do exist, we will use the term light intensity or simply intensity for the radiated power per unit area. The light intensity is a direct measure of the signal collected by recording media that convert ...
... in which η0 = (µ0 /ǫ0 )1/2 is the wave impedance of free space. Although alternative terminologies do exist, we will use the term light intensity or simply intensity for the radiated power per unit area. The light intensity is a direct measure of the signal collected by recording media that convert ...
Acousto-Optic Devices and Applications
... power. This is referred to as the weak interaction (or small signal) approximation which is valid when the peak efficiency is below 70 percent. As acoustic power increases, the diffraction efficiency saturates and approaches 100 percent. Thus in the Bragg regime, complete depletion of the incident l ...
... power. This is referred to as the weak interaction (or small signal) approximation which is valid when the peak efficiency is below 70 percent. As acoustic power increases, the diffraction efficiency saturates and approaches 100 percent. Thus in the Bragg regime, complete depletion of the incident l ...
Slide 1
... • Fused silica and atmospheric oxygen become absorptive by 157nm, so even incremental decreases in wavelength (by only 36nm) start to require a major system modification: vacuum exposure, use CaF2 as lens material (resist materials also different). • CaF2 has a crystalline structure (not “glassy/amo ...
... • Fused silica and atmospheric oxygen become absorptive by 157nm, so even incremental decreases in wavelength (by only 36nm) start to require a major system modification: vacuum exposure, use CaF2 as lens material (resist materials also different). • CaF2 has a crystalline structure (not “glassy/amo ...
Systematics of c-Axis Phonons in Tl and Bi Based Superconductors.
... This means that the most prominent phonon modes are polarized along the c axis, with the ab-plane phonons being strongly screened by the free carriers. The reflectivity function R p has sharp minima when c⬘ goes to zero, i.e., at the longitudinal frequencies, while the general trend depends on a ...
... This means that the most prominent phonon modes are polarized along the c axis, with the ab-plane phonons being strongly screened by the free carriers. The reflectivity function R p has sharp minima when c⬘ goes to zero, i.e., at the longitudinal frequencies, while the general trend depends on a ...
Nonlinear Reconstruction Methods for Transmission Electron
... close to life conditions (called cryo electron microscopy), it is possible to study macromolecular complexes in aqueous solution or small cells, or sections through larger cells or tissues (see e.g. [3, 49]). Presently, the resolution is limited to 4 − 5 nm but it seems reasonable to reach higher re ...
... close to life conditions (called cryo electron microscopy), it is possible to study macromolecular complexes in aqueous solution or small cells, or sections through larger cells or tissues (see e.g. [3, 49]). Presently, the resolution is limited to 4 − 5 nm but it seems reasonable to reach higher re ...
A correlation of thin lens approximation to thick
... As an application, when the formulation given above is applied to the optical glasses and other lens materials, the results can be evaluated. In addition, this can also be expanded to thick lenses. The variations of lens characteristics for optical glasses were obtained at the Yellow Hellium line (5 ...
... As an application, when the formulation given above is applied to the optical glasses and other lens materials, the results can be evaluated. In addition, this can also be expanded to thick lenses. The variations of lens characteristics for optical glasses were obtained at the Yellow Hellium line (5 ...
Optically induced forces in scanning probe microscopy
... of the light, with components (kx, ky, kz). It is assumed here that kx, ky are parallel to the surface of the sample, while kz is perpendicular to it. Thus the action of propagating information about an object to a detector in the far-field causes the attainable resolution to be limited to the order ...
... of the light, with components (kx, ky, kz). It is assumed here that kx, ky are parallel to the surface of the sample, while kz is perpendicular to it. Thus the action of propagating information about an object to a detector in the far-field causes the attainable resolution to be limited to the order ...
table of content - Photonics North
... high-tech entrepreneurs six orphan technologies of interest. This will be followed by entrepreneurs relating their technology transfer experience with a Quebec technology development and commercialization agency. ...
... high-tech entrepreneurs six orphan technologies of interest. This will be followed by entrepreneurs relating their technology transfer experience with a Quebec technology development and commercialization agency. ...
Coupled-mode theory for electromagnetic pulse propagation in
... most studies resort to numerical simulations. The most accurate numerical approach for such problems is the finitedifference time-domain (FDTD) method [72]. FDTD is applicable to any structure, as long as the nonlinear mechanism is described self-consistently via a nonlinear susceptibility, χ (j ) , ...
... most studies resort to numerical simulations. The most accurate numerical approach for such problems is the finitedifference time-domain (FDTD) method [72]. FDTD is applicable to any structure, as long as the nonlinear mechanism is described self-consistently via a nonlinear susceptibility, χ (j ) , ...
Wavefront control of UV narrow bandpass filters prepared
... Metal oxide layers produced by plasma ion-assisted deposition are extensively used for complex optical coatings due to the availability of materials, the high packing density of films, and the smooth surfaces. Stringent optical surface figure specifications necessary for both laser optics and precis ...
... Metal oxide layers produced by plasma ion-assisted deposition are extensively used for complex optical coatings due to the availability of materials, the high packing density of films, and the smooth surfaces. Stringent optical surface figure specifications necessary for both laser optics and precis ...
Optical Waveguide Modes
... Since the waveguides in optical integrated circuits are typically only a few micrometers thick, observation of the optical mode profile across a given dimension cannot be accomplished without a relatively elaborate experimental set-up, featuring at least 1000× magnification. One such system [9], whi ...
... Since the waveguides in optical integrated circuits are typically only a few micrometers thick, observation of the optical mode profile across a given dimension cannot be accomplished without a relatively elaborate experimental set-up, featuring at least 1000× magnification. One such system [9], whi ...
SiGe nanomembrane quantum-well infrared photodetectors
... of their inherent compatibility with the Si microelectronics platform, these devices may be integrated seamlessly within complex optoelectronic systems for sensing and imaging applications. However, the development of high-quality SiGe intersubband active layers is complicated by the large lattice m ...
... of their inherent compatibility with the Si microelectronics platform, these devices may be integrated seamlessly within complex optoelectronic systems for sensing and imaging applications. However, the development of high-quality SiGe intersubband active layers is complicated by the large lattice m ...
Effect of ABCD transformations on beam paraxiality
... have to be dimensionless, while B has to have units of (length)2 and C of (length)−2 . If we have a ABCD system as a cascade of n optical elements (e.g. a sequence of spaces and lenses) whose single ray-transfer matrix are T1 , T2 , ... , Tn , it is well-known that such multi-element system is equiv ...
... have to be dimensionless, while B has to have units of (length)2 and C of (length)−2 . If we have a ABCD system as a cascade of n optical elements (e.g. a sequence of spaces and lenses) whose single ray-transfer matrix are T1 , T2 , ... , Tn , it is well-known that such multi-element system is equiv ...
High resolution, high contrast, high focal depth nonlinear beams
... Propagation, simulated over 10 cm show that the Bessel central peak after a few strong oscillations arrives to a stationary radial profile mantained over the whole propagation length as shown in figure 4a. On the contrary nonlinear propagation of the Gaussian beam (figure 4b) is characterized by the ...
... Propagation, simulated over 10 cm show that the Bessel central peak after a few strong oscillations arrives to a stationary radial profile mantained over the whole propagation length as shown in figure 4a. On the contrary nonlinear propagation of the Gaussian beam (figure 4b) is characterized by the ...
Coatings - CVI Laser Optics
... with different optical properties (most notably refractive index), part of the light is reflected and part of the light is transmitted. The intensity ratio of the reflected and transmitted light is primarily a function of the change in refractive index between the two media, and the angle of inciden ...
... with different optical properties (most notably refractive index), part of the light is reflected and part of the light is transmitted. The intensity ratio of the reflected and transmitted light is primarily a function of the change in refractive index between the two media, and the angle of inciden ...
Refraction - Rocoscience
... (ii) This reflected light now strikes the interface on the opposite wall and gets totally reflected again. (iii) This process continues all along the glass pipe until the light emerges at the far end. 20. Total internal reflection occurs due to an outer cladding of lower refractive index. 21. Total ...
... (ii) This reflected light now strikes the interface on the opposite wall and gets totally reflected again. (iii) This process continues all along the glass pipe until the light emerges at the far end. 20. Total internal reflection occurs due to an outer cladding of lower refractive index. 21. Total ...
Kogelnik and Li
... It will be seen in Section 3.5 that Gaussian beams of this kind are produced by many lasers that oscillate in the fundamental mode. 3.3 Higher Order Modes In the preceding section only one solution of (11) was discussed,i.e., a lightbeamwith the property that its intensity profile in every beam cros ...
... It will be seen in Section 3.5 that Gaussian beams of this kind are produced by many lasers that oscillate in the fundamental mode. 3.3 Higher Order Modes In the preceding section only one solution of (11) was discussed,i.e., a lightbeamwith the property that its intensity profile in every beam cros ...
dbscan and optics
... implementations of the DBSCAN and SNN algorithms, two density-based clustering algorithms. These implementations can be used to cluster sets of points based on their spatial density. The results obtained through the use of these algorithms show that SNN performs better than DBSCAN since it can detec ...
... implementations of the DBSCAN and SNN algorithms, two density-based clustering algorithms. These implementations can be used to cluster sets of points based on their spatial density. The results obtained through the use of these algorithms show that SNN performs better than DBSCAN since it can detec ...
Improving of Measuring Method for Particle Size Distribution Based
... Abstract: Based on laser diffraction and Shifrin-transform, the measurement method of particle size distribution has been improved extensively. While, in real measurements, some noise peaks exist in the data of inversion and are misread as particle distribution peaks. On the other hand, the improved ...
... Abstract: Based on laser diffraction and Shifrin-transform, the measurement method of particle size distribution has been improved extensively. While, in real measurements, some noise peaks exist in the data of inversion and are misread as particle distribution peaks. On the other hand, the improved ...
Collimation Tester - Newport Corporation
... Visit Newport Online at: www.newport.com This Application Note has been prepared based on development activities and experiments conducted in Newport’s Technology and Applications Center and the results associated therewith. Actual results may vary based on laboratory environment and setup condition ...
... Visit Newport Online at: www.newport.com This Application Note has been prepared based on development activities and experiments conducted in Newport’s Technology and Applications Center and the results associated therewith. Actual results may vary based on laboratory environment and setup condition ...
Optical path function.
... Æ to focus a beam in a small spot (which is needed for achieving energy and/or spatial resolution) one must accept an increase in the beam divergence High beam divergence along the beamline: Æ large optical devices Æ high costs and low optical qualities With a not brilliant source the spot size can ...
... Æ to focus a beam in a small spot (which is needed for achieving energy and/or spatial resolution) one must accept an increase in the beam divergence High beam divergence along the beamline: Æ large optical devices Æ high costs and low optical qualities With a not brilliant source the spot size can ...
3D optical data storage
3D optical data storage is the term given to any form of optical data storage in which information can be recorded and/or read with three-dimensional resolution (as opposed to the two-dimensional resolution afforded, for example, by CD).This innovation has the potential to provide petabyte-level mass storage on DVD-sized discs (120mm). Data recording and readback are achieved by focusing lasers within the medium. However, because of the volumetric nature of the data structure, the laser light must travel through other data points before it reaches the point where reading or recording is desired. Therefore, some kind of nonlinearity is required to ensure that these other data points do not interfere with the addressing of the desired point.No commercial product based on 3D optical data storage has yet arrived on the mass market, although several companies are actively developing the technology and claim that it may become available ""soon"".