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Superresolution size determination in fluorescence microscopy: A
... of the cos2 shaped standing wave field present between the two objective lenses; and z 2 is the position of one maximum 共arbitrarily chosen and then fixed兲 of the previously mentioned standing wave field, (z 2 ⫺z o )/C represents the phase of the standing wave field at the object position. Although ...
... of the cos2 shaped standing wave field present between the two objective lenses; and z 2 is the position of one maximum 共arbitrarily chosen and then fixed兲 of the previously mentioned standing wave field, (z 2 ⫺z o )/C represents the phase of the standing wave field at the object position. Although ...
painting an elevation by light elewacja malowana światłem
... 1. Aims of illumination, aims of the work The work is initiated by a thesis classifying illumination as an artwork. This assumption is supported in the further portion of the paper by showing how illumination influences the spectator and how it is created. The Polish dictionary defines art as “…arti ...
... 1. Aims of illumination, aims of the work The work is initiated by a thesis classifying illumination as an artwork. This assumption is supported in the further portion of the paper by showing how illumination influences the spectator and how it is created. The Polish dictionary defines art as “…arti ...
Optical design of reflectionless complex media by
... of the wave in the ( y) direction and the second half in the ( y) direction, thus splitting the wave at the midpoint. The split waves are not perfectly parallel at the exit plane of the device due to diffraction of the incoming wave of finite width. As can be seen, there exists a small fraction ...
... of the wave in the ( y) direction and the second half in the ( y) direction, thus splitting the wave at the midpoint. The split waves are not perfectly parallel at the exit plane of the device due to diffraction of the incoming wave of finite width. As can be seen, there exists a small fraction ...
Coherent Laser Beam Addition: Application of Binary-Optics Technology An
... from a conventional incandescent light bulb. The laser's radiance, however, is orders of magnitude greater due to the very small beam spread. The high radiance is a consequence of the spatial coherence across the laser beam (phases of two spatially distinct points on the wavefront are locked togethe ...
... from a conventional incandescent light bulb. The laser's radiance, however, is orders of magnitude greater due to the very small beam spread. The high radiance is a consequence of the spatial coherence across the laser beam (phases of two spatially distinct points on the wavefront are locked togethe ...
Light Source Notes
... different bandwidths of the laser angular noise spectrum contribute into the overall noise of the instrument. In order to quantify pointing instability, an LTP with an additional reference beam was developed [10]. In the optical schematic of this instrument, the reference slope signal from a station ...
... different bandwidths of the laser angular noise spectrum contribute into the overall noise of the instrument. In order to quantify pointing instability, an LTP with an additional reference beam was developed [10]. In the optical schematic of this instrument, the reference slope signal from a station ...
Effects of atmospheric turbulence on remote optimal control
... Atmospheric applications of ultrashort and ultraintense lasers have recently emerged as a novel and very active field of research. On one side, the use of filamentation in air as coherent white light source for Light Detection and Ranging of atmospheric species has been proven as an attractive metho ...
... Atmospheric applications of ultrashort and ultraintense lasers have recently emerged as a novel and very active field of research. On one side, the use of filamentation in air as coherent white light source for Light Detection and Ranging of atmospheric species has been proven as an attractive metho ...
Sun et al., Nature 493, 195 (2013).
... wavelength holds promise for large-scale integration3. However, the short optical wavelength also imposes stringent requirements on fabrication. As a consequence, although optical phased arrays have been studied with various platforms4–8 and recently with chipscale nanophotonics9–12, all of the demo ...
... wavelength holds promise for large-scale integration3. However, the short optical wavelength also imposes stringent requirements on fabrication. As a consequence, although optical phased arrays have been studied with various platforms4–8 and recently with chipscale nanophotonics9–12, all of the demo ...
Novel biosensor for detecting Hemoglobin and its oxidation state
... reflectivity profiles. We do not look into these aspects, concentrating mostly on the reflected beam shape. As mentioned earlier, tightly focused beam undergoes severe distortion in reflection and only few studies exist to deal with such distortions. Very recently, these distortions have been measur ...
... reflectivity profiles. We do not look into these aspects, concentrating mostly on the reflected beam shape. As mentioned earlier, tightly focused beam undergoes severe distortion in reflection and only few studies exist to deal with such distortions. Very recently, these distortions have been measur ...
Image formation and optical transfer function in a course of
... approach it is possible to give the Point Spread Function as a distribution of dots that consists of the cuts of the rays with the image plane. In many books1'5 the point spread function and the image of extended objects is treated. They generaly deal with incoherent or coherent illumination. ...
... approach it is possible to give the Point Spread Function as a distribution of dots that consists of the cuts of the rays with the image plane. In many books1'5 the point spread function and the image of extended objects is treated. They generaly deal with incoherent or coherent illumination. ...
Polarization-dependent Goos-Hänchen shift at a graded dielectric
... tion. The system we have chosen is a graded polymerblend made out of ethoxylated Bisphenol-A diacrylate (EBADA) and tetrafluoropropylmethacrylate (TFPMA) with refractive indices of 1.54 and 1.42, respectively and negligible absorption in the relevant spectral range. To induce polymerization by UV li ...
... tion. The system we have chosen is a graded polymerblend made out of ethoxylated Bisphenol-A diacrylate (EBADA) and tetrafluoropropylmethacrylate (TFPMA) with refractive indices of 1.54 and 1.42, respectively and negligible absorption in the relevant spectral range. To induce polymerization by UV li ...
Holography
![](https://commons.wikimedia.org/wiki/Special:FilePath/Holomouse2.jpg?width=300)
Holography is the science and practice of making holograms. Typically, a hologram is a photographic recording of a light field, rather than of an image formed by a lens, and it is used to display a fully three-dimensional image of the holographed subject, which is seen without the aid of special glasses or other intermediate optics. The hologram itself is not an image and it is usually unintelligible when viewed under diffuse ambient light. It is an encoding of the light field as an interference pattern of seemingly random variations in the opacity, density, or surface profile of the photographic medium. When suitably lit, the interference pattern diffracts the light into a reproduction of the original light field and the objects that were in it appear to still be there, exhibiting visual depth cues such as parallax and perspective that change realistically with any change in the relative position of the observer.In its pure form, holography requires the use of laser light for illuminating the subject and for viewing the finished hologram. In a side-by-side comparison under optimal conditions, a holographic image is visually indistinguishable from the actual subject, if the hologram and the subject are lit just as they were at the time of recording. A microscopic level of detail throughout the recorded volume of space can be reproduced. In common practice, however, major image quality compromises are made to eliminate the need for laser illumination when viewing the hologram, and sometimes, to the extent possible, also when making it. Holographic portraiture often resorts to a non-holographic intermediate imaging procedure, to avoid the hazardous high-powered pulsed lasers otherwise needed to optically ""freeze"" living subjects as perfectly as the extremely motion-intolerant holographic recording process requires. Holograms can now also be entirely computer-generated and show objects or scenes that never existed.Holography should not be confused with lenticular and other earlier autostereoscopic 3D display technologies, which can produce superficially similar results but are based on conventional lens imaging. Stage illusions such as Pepper's Ghost and other unusual, baffling, or seemingly magical images are also often incorrectly called holograms.