Chapter 2 System Evaluation
... Data The NBS-1952 Resolution Test Chart is described in the : NBS circular 533, 1953 in the section titled Method of Determining the Resolution Power of Photographic Lenses. The design features of this target reduce edge effects, minimize spurious resolution and permit single pass scanning. Notes Th ...
... Data The NBS-1952 Resolution Test Chart is described in the : NBS circular 533, 1953 in the section titled Method of Determining the Resolution Power of Photographic Lenses. The design features of this target reduce edge effects, minimize spurious resolution and permit single pass scanning. Notes Th ...
femtosecond laser ablation of dielectrics
... Despite the fact that the basic mechanisms of the processes have been widely studied, important questions still remain to be conclusively answered. The difficulty arises from the large number of phenomena involved during and after the interaction: non linear excitation by multiphoton absorption or t ...
... Despite the fact that the basic mechanisms of the processes have been widely studied, important questions still remain to be conclusively answered. The difficulty arises from the large number of phenomena involved during and after the interaction: non linear excitation by multiphoton absorption or t ...
High-resolution retinal microscopy using MEMS
... made using microelectromechanical (MEMS) systems technology has enabled rapid development of adaptive optics in several new applications. In this paper, the design and testing of a retinal imaging system is detailed, with an emphasis on the adaptive optical components and their performance. Retinal ...
... made using microelectromechanical (MEMS) systems technology has enabled rapid development of adaptive optics in several new applications. In this paper, the design and testing of a retinal imaging system is detailed, with an emphasis on the adaptive optical components and their performance. Retinal ...
Microscopy - PSSurvival.com
... require an ultraviolet microscope as protein absorbs light at 280 nm. Protein will also fluorescence at approximately 353 nm when excited with 280 nm light.[4] Since fluorescence emission differs in wavelength (color) from the excitation light, an ideal fluorescent image shows only the structure of ...
... require an ultraviolet microscope as protein absorbs light at 280 nm. Protein will also fluorescence at approximately 353 nm when excited with 280 nm light.[4] Since fluorescence emission differs in wavelength (color) from the excitation light, an ideal fluorescent image shows only the structure of ...
Principles of TEM image formation Principles of TEM image
... phase variations over the plane surface. T(x,y) = A0exp[iφ(x,y)], for simplicity : A0 = 1 Assuming that the object is thin and phase shift φ is small The approximation of the emerged wave might be described as ...
... phase variations over the plane surface. T(x,y) = A0exp[iφ(x,y)], for simplicity : A0 = 1 Assuming that the object is thin and phase shift φ is small The approximation of the emerged wave might be described as ...
Cell Mechanics
... modulus E can be determined by recording and analyzing force-distance-curves. In order to avoid damages of living cells during the measurement and to have well-defined probe geometry for the following calculation of the moduli, we modify commercially available cantilevers by gluing a small polystere ...
... modulus E can be determined by recording and analyzing force-distance-curves. In order to avoid damages of living cells during the measurement and to have well-defined probe geometry for the following calculation of the moduli, we modify commercially available cantilevers by gluing a small polystere ...
Partially coherent image formation with x
... an x-ray CCD camera. Because zone plates are diffraction optics, they have a strong chromatic error, and the image quality depends on the monochromaticity of the image-forming light. To provide the required monochromaticity, a pinhole is put in close proximity to the sample plane. This pinhole toget ...
... an x-ray CCD camera. Because zone plates are diffraction optics, they have a strong chromatic error, and the image quality depends on the monochromaticity of the image-forming light. To provide the required monochromaticity, a pinhole is put in close proximity to the sample plane. This pinhole toget ...
O 28: Plasmonics and Nanooptics IV: Light
... Surface Plasmon Polaritons (SPPs) are evanescent coherent wave packets that can both confine the energy of light to metallic nanostructures and transport energy over mesoscopic distances [1]. They can then be used to generate and process information coded as optical signal to realize nanometer-scale ...
... Surface Plasmon Polaritons (SPPs) are evanescent coherent wave packets that can both confine the energy of light to metallic nanostructures and transport energy over mesoscopic distances [1]. They can then be used to generate and process information coded as optical signal to realize nanometer-scale ...
Medical Imaging Group Research Contributions/Areas
... Biomedical optical imaging enables continuous monitoring of disease (bed-side), which is highly desirable in the clinic, as optical imaging equipment are portable and non-ionizing. The challenging task here is that the quantitative accuracy provided by the reconstructed images depend on the reconstr ...
... Biomedical optical imaging enables continuous monitoring of disease (bed-side), which is highly desirable in the clinic, as optical imaging equipment are portable and non-ionizing. The challenging task here is that the quantitative accuracy provided by the reconstructed images depend on the reconstr ...
a 100-fold improvement in lithography resolution realized
... negative refraction of metamaterials. He proposed that perfect imaging could be achieved with ordinary positive refraction materials. In offering his proposal, Leonhardt theoretically analyzed the MFE and demonstrated that its focus is not restricted by the diffraction limit. If Leonhardt’s theory w ...
... negative refraction of metamaterials. He proposed that perfect imaging could be achieved with ordinary positive refraction materials. In offering his proposal, Leonhardt theoretically analyzed the MFE and demonstrated that its focus is not restricted by the diffraction limit. If Leonhardt’s theory w ...
Phase contrast microscopy (PCM) represents a major breakthrough
... Figure 10b reveals the well known glowing edges associated with phase contrast, generally known as “halo” effects. This interesting phenomenon happens whenever light from such edges scatter strongly such that portions of ...
... Figure 10b reveals the well known glowing edges associated with phase contrast, generally known as “halo” effects. This interesting phenomenon happens whenever light from such edges scatter strongly such that portions of ...