Montgomery self-imaging effect using computer
... discrete phase levels (Fig. 3(b)). The far-field diffraction pattern of a single DOE is shown in Fig. 3(c). The diffraction efficiency was calculated to be 50.6%. This value is lower than typical values known for phase-only DOEs. We attribute this to the fact that in our demonstration experiment a wavefi ...
... discrete phase levels (Fig. 3(b)). The far-field diffraction pattern of a single DOE is shown in Fig. 3(c). The diffraction efficiency was calculated to be 50.6%. This value is lower than typical values known for phase-only DOEs. We attribute this to the fact that in our demonstration experiment a wavefi ...
babinet compensator - Foctek Photonics, Inc.
... The BSC 100 Babinet Soleil Compensator is constructed from two opposed crystal quartz wedges with a compensating quartz block in optical contact with the smaller wedge as shown below. Both wedges are cut with the quartz optic axis parallel to their long edges, and the compensating block has its axis ...
... The BSC 100 Babinet Soleil Compensator is constructed from two opposed crystal quartz wedges with a compensating quartz block in optical contact with the smaller wedge as shown below. Both wedges are cut with the quartz optic axis parallel to their long edges, and the compensating block has its axis ...
Preview of “ZEISS Microscopy Online ...Aperture and Resolution”
... is the limiting factor in achieving numerical apertures greater than 1.0. Therefore, in order to obtain higher working numerical apertures, the refractive index of the medium between the front lens of the objective and the specimen cover slip must be increased. ...
... is the limiting factor in achieving numerical apertures greater than 1.0. Therefore, in order to obtain higher working numerical apertures, the refractive index of the medium between the front lens of the objective and the specimen cover slip must be increased. ...
PDF only - at www.arxiv.org.
... pulses has been considered and an idea of its application for a natural optical buffer presented. However, the authors treat the problem as if only one type of Bessel pulse existed, no matter how it is generated. The deficiencies of the article stem from not being familiar with an extensive lit ...
... pulses has been considered and an idea of its application for a natural optical buffer presented. However, the authors treat the problem as if only one type of Bessel pulse existed, no matter how it is generated. The deficiencies of the article stem from not being familiar with an extensive lit ...
Performance of extended depth of field systems and
... Cameras with Extended Depth of Field (EDOF) have become popular in the camera-phone segment, with several benefits: for instance avoid cost and size of autofocus mechanisms or to enable high resolution wafer level cameras. Roughly speaking, for a “given amount of Modulation Transfer Function (MTF)”, ...
... Cameras with Extended Depth of Field (EDOF) have become popular in the camera-phone segment, with several benefits: for instance avoid cost and size of autofocus mechanisms or to enable high resolution wafer level cameras. Roughly speaking, for a “given amount of Modulation Transfer Function (MTF)”, ...
Examples of convex lens
... The incident light and the reflected light make the same angle with respect to the reflection surface The incident light and the reflected light are mirror image of each other with respect to the normal, the line perpendicular to the surface and bisect the angle formed by the two light paths. ...
... The incident light and the reflected light make the same angle with respect to the reflection surface The incident light and the reflected light are mirror image of each other with respect to the normal, the line perpendicular to the surface and bisect the angle formed by the two light paths. ...
Measurement of radiation-pressure
... times weaker than the mechanical rigidity. An important feature of the OS, which was not accessible to previous experiments due to the relative weakness of the OS, is that there is also a radiation pressure force proportional to the velocity of the cavity mirrors, which arises from the time delay in ...
... times weaker than the mechanical rigidity. An important feature of the OS, which was not accessible to previous experiments due to the relative weakness of the OS, is that there is also a radiation pressure force proportional to the velocity of the cavity mirrors, which arises from the time delay in ...
An Efficient Wide-Angle Beam Propagation Method Using
... The variation of the longitudinal refractive index profiles results in a number of transverse characteristic matrix (P, as defined in eq. (1)) to be calculated, which greatly increases the computational load of the WA-BPM. Moreover, for higher-order approximation, we may need to perform more matrix ...
... The variation of the longitudinal refractive index profiles results in a number of transverse characteristic matrix (P, as defined in eq. (1)) to be calculated, which greatly increases the computational load of the WA-BPM. Moreover, for higher-order approximation, we may need to perform more matrix ...
Understanding Microscopy And Filtering Techniques
... Although the four-component infinity-corrected digital video microscope system is simple, it offers little adaptability. If adding additional optical components into the optical plane is necessary for an application, the seven-component system is the ideal choice. The extra optical elements include ...
... Although the four-component infinity-corrected digital video microscope system is simple, it offers little adaptability. If adding additional optical components into the optical plane is necessary for an application, the seven-component system is the ideal choice. The extra optical elements include ...
An optical cloak made of dielectrics LETTERS *
... mapping1–4 . Metamaterials5,6 , with spatially tailored properties, have provided the necessary medium by enabling precise control over the flow of electromagnetic waves. Using metamaterials, the first microwave cloaking has been achieved7 but the realization of cloaking at optical frequencies, a ke ...
... mapping1–4 . Metamaterials5,6 , with spatially tailored properties, have provided the necessary medium by enabling precise control over the flow of electromagnetic waves. Using metamaterials, the first microwave cloaking has been achieved7 but the realization of cloaking at optical frequencies, a ke ...
Displacement Measuring Interferometry
... A BS as shown in Figure 4.12 samples a small portion of the output beam. A Wollaston prism (or other suitable birefringent prism) divides the sampled beam according to the two orthogonal polarizations corresponding to the two lasing modes and directs them on to two detectors D1 and D2.50 The control ...
... A BS as shown in Figure 4.12 samples a small portion of the output beam. A Wollaston prism (or other suitable birefringent prism) divides the sampled beam according to the two orthogonal polarizations corresponding to the two lasing modes and directs them on to two detectors D1 and D2.50 The control ...
Optical waveguide mode control by nanoslit-enhanced
... (black curve). The maximal interaction is achieved near the slit edge y h∕2. The overlap could be increased by displacing the chalcogenide slab into the substrate, but the experimental realization of this design is extremely challenging. Since we want to demonstrate the feasibility of the effect i ...
... (black curve). The maximal interaction is achieved near the slit edge y h∕2. The overlap could be increased by displacing the chalcogenide slab into the substrate, but the experimental realization of this design is extremely challenging. Since we want to demonstrate the feasibility of the effect i ...
Experimental realization of three-color entanglement at optical fiber
... [6–8]. However, a real quantum information network should be composed of many nodes and channels [9–11]. It has been known that the controlled quantum communications only can be achieved under the help of multipartite (more than two parties) entangled states. Based on the use of tripartite CV entang ...
... [6–8]. However, a real quantum information network should be composed of many nodes and channels [9–11]. It has been known that the controlled quantum communications only can be achieved under the help of multipartite (more than two parties) entangled states. Based on the use of tripartite CV entang ...
Evolutionary optimization of layouts for high density free space
... A difficulty for the design of the EA is, that one has to make sure, that the connectors do not overlap. That has to be considered already for the random initialization of the individuals. We do the initialization in the following way: the connectors are initialized one after another and if a new init ...
... A difficulty for the design of the EA is, that one has to make sure, that the connectors do not overlap. That has to be considered already for the random initialization of the individuals. We do the initialization in the following way: the connectors are initialized one after another and if a new init ...
Second-harmonic generation
... out and its intensity can be measured using a sensitive photodiode. Even if this inversion symmetry is broken, the resulting second-order non-linearity is extremely weak. As a rule of thumb the relative weight of the nonlinear terms is determined by the strength of the incident electro-magnetic fiel ...
... out and its intensity can be measured using a sensitive photodiode. Even if this inversion symmetry is broken, the resulting second-order non-linearity is extremely weak. As a rule of thumb the relative weight of the nonlinear terms is determined by the strength of the incident electro-magnetic fiel ...
Issues with Telescopes
... accomplishes feats of astrophotography that are simply unattainable with any other telescopic lens, telescope, or electronic imager. No other photo-optical instrument permits such extremely wide-field photography at such fast photographic speed and with such an amazingly flat imaging area to the fie ...
... accomplishes feats of astrophotography that are simply unattainable with any other telescopic lens, telescope, or electronic imager. No other photo-optical instrument permits such extremely wide-field photography at such fast photographic speed and with such an amazingly flat imaging area to the fie ...
Optical path function.
... • G.Margaritondo, Y.Hwu and G.Tromba, “Synchrotron light: from basics to coherence and coherence related applications”, in: “Syncrotron Radiation:Fundamentals, Methodologies and Applications”, Conference Proceedings, Vol. 82, S.Mobilio and G.Vlaic, Editors, S.Margherita di Pula, 2001 • W.R.McKinney, ...
... • G.Margaritondo, Y.Hwu and G.Tromba, “Synchrotron light: from basics to coherence and coherence related applications”, in: “Syncrotron Radiation:Fundamentals, Methodologies and Applications”, Conference Proceedings, Vol. 82, S.Mobilio and G.Vlaic, Editors, S.Margherita di Pula, 2001 • W.R.McKinney, ...
Whispering gallery modes of microspheres in the presence of a
... Micro-optical sensor concepts based on the so-called whispering gallery mode 共WGM兲 shifts in spherical dielectric resonators were recently demonstrated for temperature,1 force,2,3 pressure,4 and electric field.5 In these studies, a single mode optical fiber is used to couple tunable laser light into ...
... Micro-optical sensor concepts based on the so-called whispering gallery mode 共WGM兲 shifts in spherical dielectric resonators were recently demonstrated for temperature,1 force,2,3 pressure,4 and electric field.5 In these studies, a single mode optical fiber is used to couple tunable laser light into ...