Confocal optical microscopy
... This paper is about optical confocal microscopy, a subset of the extensive and well developed field of microscopy. I will speak briefly of microscopes, to fix the terminology and to illustrate the differences in the later sections, but I urge the reader not to treat this as a complete description of ...
... This paper is about optical confocal microscopy, a subset of the extensive and well developed field of microscopy. I will speak briefly of microscopes, to fix the terminology and to illustrate the differences in the later sections, but I urge the reader not to treat this as a complete description of ...
Sample Chapter
... region is the light guiding region known as the core. It is surrounded by a coaxial middle region known as the cladding. The outermost region is called the sheath. The refractive index of cladding is always lower than that of the core. The purpose of cladding is to make the light to be confined to t ...
... region is the light guiding region known as the core. It is surrounded by a coaxial middle region known as the cladding. The outermost region is called the sheath. The refractive index of cladding is always lower than that of the core. The purpose of cladding is to make the light to be confined to t ...
z - at www.arxiv.org.
... Frequently, experimental OV beams are formed from the usual Gaussian laser beam with the help of spiral phase plates or holographic gratings with groove bifurcation (“fork” holograms), which produce the OV beams of the Kummer family, or hypergeometric-Gaussian beams [36–38]. It is the use of Kummer ...
... Frequently, experimental OV beams are formed from the usual Gaussian laser beam with the help of spiral phase plates or holographic gratings with groove bifurcation (“fork” holograms), which produce the OV beams of the Kummer family, or hypergeometric-Gaussian beams [36–38]. It is the use of Kummer ...
Thomas–Fermi Approximation and Basics of the Density Functional
... quantities needed for optics. The term quasiparticle refers to a particle-like entity arising in certain systems of interacting particles. If a single particle moves through the system, surrounded by a cloud of other interactiong particles, the entire entity moves along somewhat like a free particle ...
... quantities needed for optics. The term quasiparticle refers to a particle-like entity arising in certain systems of interacting particles. If a single particle moves through the system, surrounded by a cloud of other interactiong particles, the entire entity moves along somewhat like a free particle ...
Moiré and Fringe Projection Techniques
... dark fringes result (destructive interference). For a plane wave, the “grating” lines are really planes perpendicular to the plane of the figure and the dark and bright fringes are also planes perpendicular to the plane of the figure. If the plane waves are traveling to the right, these fringes woul ...
... dark fringes result (destructive interference). For a plane wave, the “grating” lines are really planes perpendicular to the plane of the figure and the dark and bright fringes are also planes perpendicular to the plane of the figure. If the plane waves are traveling to the right, these fringes woul ...
Theoretical criteria for scattering dark states in nanostructured particles Chia Wei Hsu,
... When macroscopic structures are shrunk to the nanoscale, their optical properties depart dramatically from the intuitive ray-optics picture. 1 Subwavelength structures on resonance can have scattering cross sections much larger than their geometrical sizes, 2,3 and the presence of multiple resonanc ...
... When macroscopic structures are shrunk to the nanoscale, their optical properties depart dramatically from the intuitive ray-optics picture. 1 Subwavelength structures on resonance can have scattering cross sections much larger than their geometrical sizes, 2,3 and the presence of multiple resonanc ...
Quantitative phase and refractive index measurements with point
... fringes and will give better resolution. When light travels through several media between the point source and screen, each medium with its own refractive index, then the interference pattern on the screen (i.e. the hologram) is determined by an effective wavelength that depends on how far light tra ...
... fringes and will give better resolution. When light travels through several media between the point source and screen, each medium with its own refractive index, then the interference pattern on the screen (i.e. the hologram) is determined by an effective wavelength that depends on how far light tra ...
Clutter elimination for deep clinical optoacoustic imaging using
... Michael Jaeger a,b,c, Jeffrey C. Bamber b,c, Martin Frenz a,* a ...
... Michael Jaeger a,b,c, Jeffrey C. Bamber b,c, Martin Frenz a,* a ...
Theoretical derivation of the depth average of remotely sensed
... such as spectral bb(z)and a(z) that can now be readily measured in situ (see, for example, Twardowski et al. [18] ). In this paper we will address the above questions and observations using a two-flow model. We will demonstrate why the GCA works well for optically homogeneous situations when bb/a do ...
... such as spectral bb(z)and a(z) that can now be readily measured in situ (see, for example, Twardowski et al. [18] ). In this paper we will address the above questions and observations using a two-flow model. We will demonstrate why the GCA works well for optically homogeneous situations when bb/a do ...
Basic Interferometry and Optical Testing Two
... presented by Theocaris (1962, 1966). Books on this subject have been written by Guild (1956, 1960), Theocaris (1969), and Durelli and Parks (1970). Projection moiré techniques were introduced by Brooks and Helfinger (1969) for optical gauging and deformation measurement. Until 1970, advances in moir ...
... presented by Theocaris (1962, 1966). Books on this subject have been written by Guild (1956, 1960), Theocaris (1969), and Durelli and Parks (1970). Projection moiré techniques were introduced by Brooks and Helfinger (1969) for optical gauging and deformation measurement. Until 1970, advances in moir ...
to Thin Section Microscopy - Mineralogical Society of America
... is important. The cross-hairs in the ocular, the directions of light polarization and the microscope axis are the main reference directions. The four cardinal points (and intermediate directions derived from those) are commonly used to express and distinguish directions, with no geographical meaning ...
... is important. The cross-hairs in the ocular, the directions of light polarization and the microscope axis are the main reference directions. The four cardinal points (and intermediate directions derived from those) are commonly used to express and distinguish directions, with no geographical meaning ...
Sheets Mar 2014 - Arab Academy for Science, Technology
... 8] A typical relative refractive index difference for an optical fiber designed for long transmission is 1%. Estimate the NA and the solid acceptance angle in air for the fiber when the core index is 1.46. Further, calculate the critical angle at the core-cladding interface within the fiber. It may ...
... 8] A typical relative refractive index difference for an optical fiber designed for long transmission is 1%. Estimate the NA and the solid acceptance angle in air for the fiber when the core index is 1.46. Further, calculate the critical angle at the core-cladding interface within the fiber. It may ...
Propagation of obstructed Bessel and Bessel–Gauss
... reconstruction when the starting obstacle is an approximation to a centred circle, a scenario with radial symmetry. As the propagation distance from the obstruction was increased, so the shadow regions appear to move. Following the discussion in the previous section we note that, as expected, two bo ...
... reconstruction when the starting obstacle is an approximation to a centred circle, a scenario with radial symmetry. As the propagation distance from the obstruction was increased, so the shadow regions appear to move. Following the discussion in the previous section we note that, as expected, two bo ...
Retrieving microphysical properties of dust
... remote sensing, where one needs to consider multiple wavelengths, these simpler but often considerably faster methods are almost exclusively used. One such simple model geometry is that of ellipsoids. As shown by, e.g., Mishchenko et al. (1997), Dubovik et al. (2006), Bi et al. (2009), Meng et al. ( ...
... remote sensing, where one needs to consider multiple wavelengths, these simpler but often considerably faster methods are almost exclusively used. One such simple model geometry is that of ellipsoids. As shown by, e.g., Mishchenko et al. (1997), Dubovik et al. (2006), Bi et al. (2009), Meng et al. ( ...
Role of the Tunneling Ray in Near-Critical-Angle
... When light is scattered by a large particle possessing a high degree of symmetry, such as a sphere, spheroid, or circular cylinder, and the scattered light is examined in the context of ray theory, a partial focusing of the light rays called an optical caustic occurs on certain surfaces in the near ...
... When light is scattered by a large particle possessing a high degree of symmetry, such as a sphere, spheroid, or circular cylinder, and the scattered light is examined in the context of ray theory, a partial focusing of the light rays called an optical caustic occurs on certain surfaces in the near ...
INTRODUCTORY OPTICS SYSTEM
... laboratory optics. Of course, textbooks and lab books vary in the areas covered and the degree of complexity taught. To ensure that all essential concepts are covered, the experiments in this guide are based on material presented in several of the most comprehensive physics textbooks, including Mode ...
... laboratory optics. Of course, textbooks and lab books vary in the areas covered and the degree of complexity taught. To ensure that all essential concepts are covered, the experiments in this guide are based on material presented in several of the most comprehensive physics textbooks, including Mode ...
Manual - Brown University Wiki
... laboratory optics. Of course, textbooks and lab books vary in the areas covered and the degree of complexity taught. To ensure that all essential concepts are covered, the experiments in this guide are based on material presented in several of the most comprehensive physics textbooks, including Mode ...
... laboratory optics. Of course, textbooks and lab books vary in the areas covered and the degree of complexity taught. To ensure that all essential concepts are covered, the experiments in this guide are based on material presented in several of the most comprehensive physics textbooks, including Mode ...
Doctorat doc
... monitoring using absorption, evanescent, or diffused reflectance spectroscopy since practically all molecules posses characteristic vibration bands in the IR. Aside from chemical sensors, IR fibers can be used for magnetic field, current and acoustic sensing, thermal pyrometry, medical applications, ...
... monitoring using absorption, evanescent, or diffused reflectance spectroscopy since practically all molecules posses characteristic vibration bands in the IR. Aside from chemical sensors, IR fibers can be used for magnetic field, current and acoustic sensing, thermal pyrometry, medical applications, ...
Diffraction Gratings
... Note: The “evanescent” fields in material 2 are not completely evanescent. They have a purely real kx so they do flow energy in the transverse direction. Lecture 9 ...
... Note: The “evanescent” fields in material 2 are not completely evanescent. They have a purely real kx so they do flow energy in the transverse direction. Lecture 9 ...
Surface plasmon resonance microscopy
Surface Plasmon Resonance Microscopy (SPRM) is a label free analytical tool that combines the surface plasmon resonance of metallic surfaces with imaging of the metallic surface.The heterogeneity of the refractive index of the metallic surface imparts high contrast images, caused by the shift in the resonance angle.SPRM can achieve a thickness sensitivity of few tenths of nanometer and lateral resolution achieves values of micrometer scale.SPRM is used to characterize surfaces, self-assembled monolayers, multilayer films, metal nanoparticles, oligonucleotides arrays, binding and reduction reactions.Surface Plasmon polaritons are surface electromagnetic waves coupled to oscillating free electrons of a metallic surface that propagate along a metal/dielectric interface.Since polaritons are highly sensitive to small changes in the refractive index of the metallic material,it can be used as a biosensing tool that does not require labeling. SPRM measurements can be made in real-time.Wang and collaborators studied the binding kinetics of membrane proteins in single cells.The experimental setup of an SPRM can be seen in the Figure 1, where an adherent cell is grown on a gold film and placed in an inverted microscope, p-polarized light was used to create the surface plasmons on the gold film and a CCD camera was used to create the SPR image.