
... great thickness with the recording materials currently available. There are easy methods of preparation to achieve dry thick layers using photopolymers as holographic recording materials [4], but this thickness of materials not necessary implies a high effective optical thickness of material. In ot ...
development of SPR sensors
... The incident angle is dependent on the optical characteristics of the system, e.g. on the refractive indices of the media at both sides of the metal, usually gold. While the refractive index at the prism side is not changing, the refractive index in the immediate vicinity of the metal surface will ...
... The incident angle is dependent on the optical characteristics of the system, e.g. on the refractive indices of the media at both sides of the metal, usually gold. While the refractive index at the prism side is not changing, the refractive index in the immediate vicinity of the metal surface will ...
Fabrication of Cube Beamsplitters for White Light Interferometry
... It is always possible to match the OPL for any single wavelength by translating one of the reference mirrors, or equivalently by changing the length of distance BC. However, when multiple wavelengths are present, the system can only be achromatized by matching the amount of glass in each arm. This ...
... It is always possible to match the OPL for any single wavelength by translating one of the reference mirrors, or equivalently by changing the length of distance BC. However, when multiple wavelengths are present, the system can only be achromatized by matching the amount of glass in each arm. This ...
Two-step DFT propagation - MZA Associates Corporation
... These two apertures can be the same as two of the limiting apertures identified earlier, but they need not be; instead they could be placed at different planes, chosen for convenience. They should be chosen such that they both capture all light of interest and, to keep N reasonable, little light not ...
... These two apertures can be the same as two of the limiting apertures identified earlier, but they need not be; instead they could be placed at different planes, chosen for convenience. They should be chosen such that they both capture all light of interest and, to keep N reasonable, little light not ...
Selective Trapping or Rotation of Isotropic Dielectric Microparticles
... rotation and spin of particles by light have drawn great attention since they may offer more functionality to practical microsystems.3−8 In conventional optical tweezers, the trapping force drops quickly as the radius of particles decreases due to reduced gradient force.9 Increasing the laser power m ...
... rotation and spin of particles by light have drawn great attention since they may offer more functionality to practical microsystems.3−8 In conventional optical tweezers, the trapping force drops quickly as the radius of particles decreases due to reduced gradient force.9 Increasing the laser power m ...
Practical Calculations for Designing a Newtonian Telescope
... than any other type of optical system, if one is careful to follow the laws of nature. One must have optics made from precision Pyrex or a similar material and figured to a high quality. The mounting hardware must be well planned out and properly constructed using highest quality materials. The Newt ...
... than any other type of optical system, if one is careful to follow the laws of nature. One must have optics made from precision Pyrex or a similar material and figured to a high quality. The mounting hardware must be well planned out and properly constructed using highest quality materials. The Newt ...
White top-emitting organic light-emitting diodes using one
... ITO/SiO2, the use of ITO/SiO2 also showed the highest power efficiency. In addition, possibly due to the differences in the reflectivity of the light between the cathode metal and air for different wavelengths, the extracted EL intensity of the orange color relative to that of the sky blue color was ...
... ITO/SiO2, the use of ITO/SiO2 also showed the highest power efficiency. In addition, possibly due to the differences in the reflectivity of the light between the cathode metal and air for different wavelengths, the extracted EL intensity of the orange color relative to that of the sky blue color was ...
Introduction - Research
... unfavorable method because it forces cells to contract at a set length, which maybe more or less than the contraction range of the individual cell. Our design team, with the help of Dr. Franz Baudenbacher and several graduate students, is hoping to develop a less complicated and more accurate method ...
... unfavorable method because it forces cells to contract at a set length, which maybe more or less than the contraction range of the individual cell. Our design team, with the help of Dr. Franz Baudenbacher and several graduate students, is hoping to develop a less complicated and more accurate method ...
Mathematical models and numerical methods for high frequency
... The main drawbacks of the infinite frequency approximation of geometrical optics are that diffraction effects at boundaries are lost, and that the approximation breaks down at caustics, where the predicted amplitude A is unbounded. For these situations more detailed models are needed, such as the ge ...
... The main drawbacks of the infinite frequency approximation of geometrical optics are that diffraction effects at boundaries are lost, and that the approximation breaks down at caustics, where the predicted amplitude A is unbounded. For these situations more detailed models are needed, such as the ge ...
Optical Gain Experiment Manual
... The Variable stripe length Method which has been demonstrated by Shaklee and Leheny in 1971 is a direct measurement of the optical gain. A sample from the active material is pumped by a homogeneous line of a laser beam emitted from high power pulsed laser. The emitted light from the edge of the samp ...
... The Variable stripe length Method which has been demonstrated by Shaklee and Leheny in 1971 is a direct measurement of the optical gain. A sample from the active material is pumped by a homogeneous line of a laser beam emitted from high power pulsed laser. The emitted light from the edge of the samp ...
Ultra-thin plasmonic optical vortex plate based on phase
... light beam propagating through liquid crystal cells containing molecules with different orientations will experience spatially varying phase velocity, resulting in transverse modulation of either its phase and/or its amplitude. Recently, a method to control the phase and amplitude of light beams was ...
... light beam propagating through liquid crystal cells containing molecules with different orientations will experience spatially varying phase velocity, resulting in transverse modulation of either its phase and/or its amplitude. Recently, a method to control the phase and amplitude of light beams was ...
Jamie Ball, Retrieving the complex refractive index of volcanic ash
... optical filters, with a bandpass of ±10 nm about the the liquid into the fragments, the ash was noted to peak radiance, just above the objective lens of the have a higher refractive index than 1.50. In this microscope. About 3 mg of the ash was immersed case, a fresh batch of the ash would have been ...
... optical filters, with a bandpass of ±10 nm about the the liquid into the fragments, the ash was noted to peak radiance, just above the objective lens of the have a higher refractive index than 1.50. In this microscope. About 3 mg of the ash was immersed case, a fresh batch of the ash would have been ...
Phase microscopy and tomography
... bioanalytical applications especially designed and fabricated “smart” miniaturized tools (lab-on-achip or micro total analysis systems (μTAS)) are required. These devices are essential for rapid and non-invasive investigations of biological objects, drug studies, speciation of toxic substances, earl ...
... bioanalytical applications especially designed and fabricated “smart” miniaturized tools (lab-on-achip or micro total analysis systems (μTAS)) are required. These devices are essential for rapid and non-invasive investigations of biological objects, drug studies, speciation of toxic substances, earl ...
ppt
... properties (refractive index n(l) , absorption coefficient k(l) ) of the deposited layers. Those are generally dependent on the deposition method and process parameters. The simulation is therefore useful to define a concept and a promising starting point. The optimum result can however only be achi ...
... properties (refractive index n(l) , absorption coefficient k(l) ) of the deposited layers. Those are generally dependent on the deposition method and process parameters. The simulation is therefore useful to define a concept and a promising starting point. The optimum result can however only be achi ...
Surface Watch - YMS Magazine
... measurement parameters (such as scan size and tip radius) are held constant. However, when the intention is to compare widely different systems—in this case a scanning surface inspection system with an AFM—a more general treatment of surface roughness is warranted. ...
... measurement parameters (such as scan size and tip radius) are held constant. However, when the intention is to compare widely different systems—in this case a scanning surface inspection system with an AFM—a more general treatment of surface roughness is warranted. ...
DesignCon 2013 Advances in Onboard Optical Interconnects: A New Generation of Miniature Optical
... Silicon Photonics uses a different approach of integration on a Silicon substrate. Obviously, electrical circuits can be manufactured on silicon, but also photo detectors, modulators and optical waveguides are needed to interconnect them optically. The promise is that all the elements can be monolit ...
... Silicon Photonics uses a different approach of integration on a Silicon substrate. Obviously, electrical circuits can be manufactured on silicon, but also photo detectors, modulators and optical waveguides are needed to interconnect them optically. The promise is that all the elements can be monolit ...
The Fabry-Pérot Interferometer
... Slightly divergent monochromatic light enters the two glass plates in Fig. 2. Their four surfaces are very plane, the inner ones are parallel to each other and highly reflecting. To guide reflections from the outer faces away, the glass plates are wedged at 0.5◦ . The interference of light from the ...
... Slightly divergent monochromatic light enters the two glass plates in Fig. 2. Their four surfaces are very plane, the inner ones are parallel to each other and highly reflecting. To guide reflections from the outer faces away, the glass plates are wedged at 0.5◦ . The interference of light from the ...
S.72-227 Digital Communication Systems
... – light collected from the other surface, other attached to a heat sink – no waveguiding – light coupling to multimode fibers easy Edge emitting LEDs: (ELED) 60 80 nm – like stripe geometry lasers but no optical feedback – easy coupling into multimode and single mode fibers Superluminescent L ...
... – light collected from the other surface, other attached to a heat sink – no waveguiding – light coupling to multimode fibers easy Edge emitting LEDs: (ELED) 60 80 nm – like stripe geometry lasers but no optical feedback – easy coupling into multimode and single mode fibers Superluminescent L ...
Resolution in Confocal Microscopy
... of images, the confocal microscope is a scanning microscope. This means that there must a time-lag between the collection of each point. When looking at two small objects simultaneously, methods such as fluorescence correlation spectroscopy[20][21] take advantage of this by looking at the location o ...
... of images, the confocal microscope is a scanning microscope. This means that there must a time-lag between the collection of each point. When looking at two small objects simultaneously, methods such as fluorescence correlation spectroscopy[20][21] take advantage of this by looking at the location o ...
Absolute Specular Reflectance Measurements at Fixed
... The VN design offers several advantages over other absolute specular reflectance devices as well. Unlike the expensive variable angle accessories, the PELA 6000 series offers measurement capability at key beam angles, which are available alone or in combination with other angles. The VN accessories ...
... The VN design offers several advantages over other absolute specular reflectance devices as well. Unlike the expensive variable angle accessories, the PELA 6000 series offers measurement capability at key beam angles, which are available alone or in combination with other angles. The VN accessories ...
Design, fabrication and testing of microlens arrays for sensors and
... in a standard developing process. An array of photoresist cylinders is obtained. The resist cylinders are melted at a temperature of 150–200 ◦ C on a hot plate or in an oven. The melting procedure itself is quite simple to perform. A melted-resist structure will always act like a microlens. Neverthe ...
... in a standard developing process. An array of photoresist cylinders is obtained. The resist cylinders are melted at a temperature of 150–200 ◦ C on a hot plate or in an oven. The melting procedure itself is quite simple to perform. A melted-resist structure will always act like a microlens. Neverthe ...
Elimination of total internal reflection in GaInN light
... by cosputtering TiO2 and SiO2, show a light-output power enhanced by 73% and a strong side emission, consistent with analytical calculations and ray-tracing simulations. © 2008 American Institute of Physics. 关DOI: 10.1063/1.3041644兴 One of the fundamental problems facing light-emitting diodes 共LEDs兲 ...
... by cosputtering TiO2 and SiO2, show a light-output power enhanced by 73% and a strong side emission, consistent with analytical calculations and ray-tracing simulations. © 2008 American Institute of Physics. 关DOI: 10.1063/1.3041644兴 One of the fundamental problems facing light-emitting diodes 共LEDs兲 ...