Shape Reconstruction from Multiple Images of the Ocean Surface
... the air-sea boundary, light rays are reflected back into the atmosphere or refracted into the water volume, and multiple reflections and scattering at the surface can be neglected. Consequently, the water surface acts like a partially silvered mirror that reflects the sky brightness into the camera. ...
... the air-sea boundary, light rays are reflected back into the atmosphere or refracted into the water volume, and multiple reflections and scattering at the surface can be neglected. Consequently, the water surface acts like a partially silvered mirror that reflects the sky brightness into the camera. ...
Wide-field extended-resolution fluorescence
... fluorescent beads spread on the gold-coated coverslip under SPRF conditions as well as on the bare coverslip under TIRF conditions. Typical bead images under each of the four imaging conditions – SPRF with p- or s-pol, TIRF with p- or s-pol illumination, are shown in Fig. 4(a) to 4(d). For clarity, ...
... fluorescent beads spread on the gold-coated coverslip under SPRF conditions as well as on the bare coverslip under TIRF conditions. Typical bead images under each of the four imaging conditions – SPRF with p- or s-pol, TIRF with p- or s-pol illumination, are shown in Fig. 4(a) to 4(d). For clarity, ...
Sub-100 nm lithography using ultrashort wavelength of surface plasmons
... array periodicity, and silver layer thickness are 60, 120, and 40 nm, respectively. The refractive index n of the background material is 1.52. The refractive indices of Ag and Al are 0.218+ 1.596i and 0.407+ 4.426i, respectively, as taken from Ref. 21. The grid size is / 30, where is the wavelen ...
... array periodicity, and silver layer thickness are 60, 120, and 40 nm, respectively. The refractive index n of the background material is 1.52. The refractive indices of Ag and Al are 0.218+ 1.596i and 0.407+ 4.426i, respectively, as taken from Ref. 21. The grid size is / 30, where is the wavelen ...
Pixel level optical-transfer-function design based on the surface
... Optical transfer function (OTF) characterizes the response of an imaging system as a function of spatial frequency of the input signal. Modification of OTF (sometimes referred as spatial filtering) is of significant importance for modern imaging and vision system designs. The implementation of spati ...
... Optical transfer function (OTF) characterizes the response of an imaging system as a function of spatial frequency of the input signal. Modification of OTF (sometimes referred as spatial filtering) is of significant importance for modern imaging and vision system designs. The implementation of spati ...
Manuscript2 - Open Research Exeter
... accuracy it becomes. This includes manufacturing accuracy and solar tracking accuracy. The relationship between concentration ratio and acceptance angle directly follows from etendue and is explained further by Jeffrey M. Gordon et.al [4–6]. When comparing the types of solar concentrator photovoltai ...
... accuracy it becomes. This includes manufacturing accuracy and solar tracking accuracy. The relationship between concentration ratio and acceptance angle directly follows from etendue and is explained further by Jeffrey M. Gordon et.al [4–6]. When comparing the types of solar concentrator photovoltai ...
Role of Color Interference on the Insect`s Cuticle Coloration
... attribute that depends on illumination, the spectral reflectance of an object and its surroundings, as well as the spectral receptor types and further neural processing in the animal in question. Thus the same object might appear differently colored to different viewing organisms. Insects are master ...
... attribute that depends on illumination, the spectral reflectance of an object and its surroundings, as well as the spectral receptor types and further neural processing in the animal in question. Thus the same object might appear differently colored to different viewing organisms. Insects are master ...
Surface Waves
... Surface Plasmon-Polariton Surface plasmon‐polaritons (SPPs) are supported at the interface between a material with positive dielectric constant and a material with negative dielectric constant. There exists an analogous surface wave at the interface of a material with negative permeability. Sur ...
... Surface Plasmon-Polariton Surface plasmon‐polaritons (SPPs) are supported at the interface between a material with positive dielectric constant and a material with negative dielectric constant. There exists an analogous surface wave at the interface of a material with negative permeability. Sur ...
this PDF file
... They indicated that the tolerance of pickup head for grating scale could be improved greatly by using wavefront compensation. In 1999, Henshaw [18] of Britain Renishaw added a medium with refraction property to change the equal optical path of the interference system to different the optical path. T ...
... They indicated that the tolerance of pickup head for grating scale could be improved greatly by using wavefront compensation. In 1999, Henshaw [18] of Britain Renishaw added a medium with refraction property to change the equal optical path of the interference system to different the optical path. T ...
Document
... Surfaces with a high specular reflection appear very shiny. Surfaces with a low specular reflection appear matte. ...
... Surfaces with a high specular reflection appear very shiny. Surfaces with a low specular reflection appear matte. ...
Deep subwavelength nanolithography using localized surface plasmon modes on
... localized SP 共LSP兲 condition 共m = −1兲 is satisfied.16 As a result, it is possible to resolve very small feature patterns with very high intensity. Silver is chosen since it is known as the superior low loss material and its LSP condition 共m = −1兲 can be satisfied in UV wavelength range. For exam ...
... localized SP 共LSP兲 condition 共m = −1兲 is satisfied.16 As a result, it is possible to resolve very small feature patterns with very high intensity. Silver is chosen since it is known as the superior low loss material and its LSP condition 共m = −1兲 can be satisfied in UV wavelength range. For exam ...
Optics - Jnoodle
... in the opposite direction, it should follow the same path back (it can be shown by swapping 1 and 2 that rays are reversible) and therefore only light coming from air and leaving surface at an angle of refraction smaller than C can reach an observer at the bottom. A diver looking up from the bott ...
... in the opposite direction, it should follow the same path back (it can be shown by swapping 1 and 2 that rays are reversible) and therefore only light coming from air and leaving surface at an angle of refraction smaller than C can reach an observer at the bottom. A diver looking up from the bott ...
Experience with optical partial discharge detection M. M ,
... the UV region. In this wavelength range, the UV radiation of the sun is absorbed perfectly by the ozone layer before reaching the earth. Due to this particularly developed filter, those UV rays can be produced by fires or electrical discharges also by day without the sunlight. The camera has two rep ...
... the UV region. In this wavelength range, the UV radiation of the sun is absorbed perfectly by the ozone layer before reaching the earth. Due to this particularly developed filter, those UV rays can be produced by fires or electrical discharges also by day without the sunlight. The camera has two rep ...
What are Fiber Optics
... information, more quickly and over longer distances. An optical fiber (or fiber) is a glass or plastic fiber that carries light along its length ...
... information, more quickly and over longer distances. An optical fiber (or fiber) is a glass or plastic fiber that carries light along its length ...
of the Physical and Technical Faculty
... At the end of the course the students should: know the basic principles of image formation according to geometrical optics have awareness of the wave processes and phenomena in the interaction of electromagnetic waves with materials know of methods of generation, detection and operation of lig ...
... At the end of the course the students should: know the basic principles of image formation according to geometrical optics have awareness of the wave processes and phenomena in the interaction of electromagnetic waves with materials know of methods of generation, detection and operation of lig ...
Nano-optomechanical Actuator and Pull-Back Instability
... low cost. However, the microscale dimensions limit both the speed and precision of actuation. Nanoelectromechanical systems (NEMS) scale down the dimensions.7,8 In particular, NEMS employing electrostatic forces have been developed.9,10 For parallel-plate electrostatic actuators, the pull-in instabi ...
... low cost. However, the microscale dimensions limit both the speed and precision of actuation. Nanoelectromechanical systems (NEMS) scale down the dimensions.7,8 In particular, NEMS employing electrostatic forces have been developed.9,10 For parallel-plate electrostatic actuators, the pull-in instabi ...
YOUNG`S INTERFERENCE EXPERIMENT: THE LONG AND
... The traditional view of Thomas Young (1773–1829) is that of an underappreciated genius. He was a child prodigy who could read fluently at the age of two and widely read the classics. By the age of 14 he was acquainted with Latin, Greek, French, Italian, Hebrew, Arabic, and Persian. Because of his ma ...
... The traditional view of Thomas Young (1773–1829) is that of an underappreciated genius. He was a child prodigy who could read fluently at the age of two and widely read the classics. By the age of 14 he was acquainted with Latin, Greek, French, Italian, Hebrew, Arabic, and Persian. Because of his ma ...
BEST OF - Edmund Optics
... The transmission properties of a coating are dependent upon the wavelength of light being used, the substrate’s index of refraction, the index of refraction of the coating, the thickness of the coating, and the angle of the incident light. The coating is designed so that the relative phase shift bet ...
... The transmission properties of a coating are dependent upon the wavelength of light being used, the substrate’s index of refraction, the index of refraction of the coating, the thickness of the coating, and the angle of the incident light. The coating is designed so that the relative phase shift bet ...
Optical fiber sensors
... Susceptible to power fluctuation of the light source Susceptible to fiber bending losses Variation in modal power distribution in Multi-mode fiber (MMF) ...
... Susceptible to power fluctuation of the light source Susceptible to fiber bending losses Variation in modal power distribution in Multi-mode fiber (MMF) ...
Assignment 1A
... photographer wishes to take pictures without being noticed. He sets up two plane mirrors together with his camera. Which arrangement of mirrors will allow the photographer to take pictures of someone behind the camera? ...
... photographer wishes to take pictures without being noticed. He sets up two plane mirrors together with his camera. Which arrangement of mirrors will allow the photographer to take pictures of someone behind the camera? ...
Design and Simulation of DPSS Laser with SHG for Material
... and 2 . The condition that the second harmonic waves must travel with the same phase velocity as the fundamental wave to constitute a second harmonic beam is called phase matching and requires n( )=n(2 ). One method is to use a birefringent crystal as these have two refractive indices: ordinary inde ...
... and 2 . The condition that the second harmonic waves must travel with the same phase velocity as the fundamental wave to constitute a second harmonic beam is called phase matching and requires n( )=n(2 ). One method is to use a birefringent crystal as these have two refractive indices: ordinary inde ...
Photoelectron imaging of modal interference in
... much lower than in the resonant grooves and the photoemission process is highly nonlinear. The PEEM image for the ring array illuminated with TM polarized laser light shows the same streaks as Fig. 3(e), but less pronounced. In contrast to TE polarized excitation the flat surface in between the str ...
... much lower than in the resonant grooves and the photoemission process is highly nonlinear. The PEEM image for the ring array illuminated with TM polarized laser light shows the same streaks as Fig. 3(e), but less pronounced. In contrast to TE polarized excitation the flat surface in between the str ...