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... and antimony (stibium, Sb) or an alloy material including indium (In), silver (Ag), tellurium (Te), germanium and antimony. The upper and loWer dielectric layers 18 and 14 are used to control the thermal conductivity of the recording layer 16. The upper and loWer dielectric layers 18 and 14 thus inc ...
... and antimony (stibium, Sb) or an alloy material including indium (In), silver (Ag), tellurium (Te), germanium and antimony. The upper and loWer dielectric layers 18 and 14 are used to control the thermal conductivity of the recording layer 16. The upper and loWer dielectric layers 18 and 14 thus inc ...
A Laser Coupler for DVD/CD Playback
... A new optical integrated device called the 2BLC, which has two-wavelength light emission/detection functions, has been developed. It has been especially designed for use in PlayStation 2 with many hard requirements, such as including two-wavelength functions in one integrated-device, being of small ...
... A new optical integrated device called the 2BLC, which has two-wavelength light emission/detection functions, has been developed. It has been especially designed for use in PlayStation 2 with many hard requirements, such as including two-wavelength functions in one integrated-device, being of small ...
Document
... The equation holds whether light travels from air to water, or water to air. In general, the light is refracted towards the normal to he boundary on entering the material with a higher refractive index and is refracted away from the normal on entering the material with lower refractive index. In lab ...
... The equation holds whether light travels from air to water, or water to air. In general, the light is refracted towards the normal to he boundary on entering the material with a higher refractive index and is refracted away from the normal on entering the material with lower refractive index. In lab ...
[PDF]
... The multimode interference effect based devices have the advantages of low lost, compactness and cost-effective solutions. The realization of optical couplers and power taps based on 2x2 multimode interference (MMI) structures has been given in the literature [6]. However, these proposed devices req ...
... The multimode interference effect based devices have the advantages of low lost, compactness and cost-effective solutions. The realization of optical couplers and power taps based on 2x2 multimode interference (MMI) structures has been given in the literature [6]. However, these proposed devices req ...
Microscope Basics
... The objective lenses are the most important components of microscopes and thus will be discussed in greater detail here. Their basic function is to gather the light passing through the specimen and then to project the image up into the body of the microscope. Then, the eyepiece lens system further m ...
... The objective lenses are the most important components of microscopes and thus will be discussed in greater detail here. Their basic function is to gather the light passing through the specimen and then to project the image up into the body of the microscope. Then, the eyepiece lens system further m ...
Fabry-Perot Interferometer FABRYPEROT.TEX KB 20020122
... wavelength of the light and the plate geometry are fulfilled, otherwise the light is more or less blocked. These conditions can be adjusted by changing the wavelength and/or the geometry. Thus Fabry-Perot plates can be used to measure or to control light wavelengths or to measure geometric propertie ...
... wavelength of the light and the plate geometry are fulfilled, otherwise the light is more or less blocked. These conditions can be adjusted by changing the wavelength and/or the geometry. Thus Fabry-Perot plates can be used to measure or to control light wavelengths or to measure geometric propertie ...
Get
... 44% of all light incident on the DMD could be used for polymerization within this m = 4 diffracted order. Additional optical losses resulted from the gaps between the mirrors and the inherent loss at each mirror surface (0.88 reflectivity at 800nm). The chosen diffracted order was then captured by a ...
... 44% of all light incident on the DMD could be used for polymerization within this m = 4 diffracted order. Additional optical losses resulted from the gaps between the mirrors and the inherent loss at each mirror surface (0.88 reflectivity at 800nm). The chosen diffracted order was then captured by a ...
Fluorescence Microscopy
... design (hard-coated filters) results in narrower transition zones; so, this problem is becoming less of a concern. In addition to transition zone imprecision, dichroic mirrors can also be reflective or transmissive at additional wavelengths above and below the center wavelength. When using monowavelen ...
... design (hard-coated filters) results in narrower transition zones; so, this problem is becoming less of a concern. In addition to transition zone imprecision, dichroic mirrors can also be reflective or transmissive at additional wavelengths above and below the center wavelength. When using monowavelen ...
Wavefront Technology
... finish line first, where as rays at the opposite edge of the pupil cross the finish line last. The effect is that the image of each object point resembles a comet, having vertical and horizontal components. Common in patients with decentered laser ablation. • Spherical aberrations : When peripheral ...
... finish line first, where as rays at the opposite edge of the pupil cross the finish line last. The effect is that the image of each object point resembles a comet, having vertical and horizontal components. Common in patients with decentered laser ablation. • Spherical aberrations : When peripheral ...
Resolution in Confocal Microscopy
... Note that we have found that confocal microscopes give greater resolution compared to the twophoton microscope, yet two-photon microscopy is still common[17] . Note that the illuminating light is of greater (almost twice the) wavelength of the single-photon confocal microscope. This means that the o ...
... Note that we have found that confocal microscopes give greater resolution compared to the twophoton microscope, yet two-photon microscopy is still common[17] . Note that the illuminating light is of greater (almost twice the) wavelength of the single-photon confocal microscope. This means that the o ...
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 ...
Confocal Microscopy - Emory Physics
... left-hand-side lens. (Note that the colors of the rays are purely for purposes of distinguishing the two sets—they do not represent different wavelengths of light.) Clearly, the image of the light blue point is not at the same location as the image of the dark blue point. (Recall from introductory o ...
... left-hand-side lens. (Note that the colors of the rays are purely for purposes of distinguishing the two sets—they do not represent different wavelengths of light.) Clearly, the image of the light blue point is not at the same location as the image of the dark blue point. (Recall from introductory o ...
Advanced Microscopy
... about 0.9 µm for 500 nm, NA=0.9 axial resolution is 75% of wide field microscopy ...
... about 0.9 µm for 500 nm, NA=0.9 axial resolution is 75% of wide field microscopy ...
BETA TESTER SUPPORT Click on a question or
... Telephone support on 1-855-5SAVANT SAVANT.COM/BETAHELP ...
... Telephone support on 1-855-5SAVANT SAVANT.COM/BETAHELP ...
Tube CAD User Guide - Glass-Ware
... A circuit report is a snapshot of whichever circuit and variation of that circuit is currently on the screen. It lists the tube type, tube characteristics, number, circuit part values, power supply voltage, and user options, such as bypassing the cathode resistor. Additionally, it lists all the AC & ...
... A circuit report is a snapshot of whichever circuit and variation of that circuit is currently on the screen. It lists the tube type, tube characteristics, number, circuit part values, power supply voltage, and user options, such as bypassing the cathode resistor. Additionally, it lists all the AC & ...
3D widefield light microscopy with better than 100 nm axial resolution
... collecting angle of commercially available objective lenses is close to its practical maximum, with little if any room for further improvement. However, there exists an equally large set of easily accessible light collecting angles on the ‘back’ side of the sample slide, which conventional microscop ...
... collecting angle of commercially available objective lenses is close to its practical maximum, with little if any room for further improvement. However, there exists an equally large set of easily accessible light collecting angles on the ‘back’ side of the sample slide, which conventional microscop ...
lenses - Van Buren Public Schools
... between the focal point and the lens, all the images that are formed are real and inverted. As illustrated in Figure 30.11, the method of drawing ray diagrams applies also to diverging lenses. A ray parallel to the principal axis from the tip of the arrow will be bent by the lens as if it had come f ...
... between the focal point and the lens, all the images that are formed are real and inverted. As illustrated in Figure 30.11, the method of drawing ray diagrams applies also to diverging lenses. A ray parallel to the principal axis from the tip of the arrow will be bent by the lens as if it had come f ...
Optical power - WordPress.com
... Burrus Etched well surface emitting LED for higher data rate the well helps concentrate the emitted light ray allow more power to be coupled into the fiber ...
... Burrus Etched well surface emitting LED for higher data rate the well helps concentrate the emitted light ray allow more power to be coupled into the fiber ...
Sample pages 1 PDF
... other reverting it. It is possible, especially when they are used with objectives of low focal ratio, for Porro prisms to reflect rays that are not parallel to the optical axis in such a manner that they are internally reflected off the hypotenuse of the prism (Fig. 2.5a). The ray then emerges from ...
... other reverting it. It is possible, especially when they are used with objectives of low focal ratio, for Porro prisms to reflect rays that are not parallel to the optical axis in such a manner that they are internally reflected off the hypotenuse of the prism (Fig. 2.5a). The ray then emerges from ...
Optical microscope - Frank`s Hospital Workshop
... • The eyepiece - A cylinder containing two or more lenses to bring the image to focus for the eye. The eyepiece is inserted into the top end of the body tube. Eyepieces are interchangeable and many different eyepieces can be inserted with different degrees of magnification. Typical magnification val ...
... • The eyepiece - A cylinder containing two or more lenses to bring the image to focus for the eye. The eyepiece is inserted into the top end of the body tube. Eyepieces are interchangeable and many different eyepieces can be inserted with different degrees of magnification. Typical magnification val ...
Exposing Digital Forgeries Through Chromatic Aberration
... and 35 mm with 17 f -stops, ranging from f /29 to f /3.5, per focal length were considered. For the 70–300 mm lens, focal lengths of 70, 100, 135, 200, and 300 with 19 f -stops, ranging from f /45 to f /4, per focal length were considered. A calibration target was constructed of a peg board with 1/4 ...
... and 35 mm with 17 f -stops, ranging from f /29 to f /3.5, per focal length were considered. For the 70–300 mm lens, focal lengths of 70, 100, 135, 200, and 300 with 19 f -stops, ranging from f /45 to f /4, per focal length were considered. A calibration target was constructed of a peg board with 1/4 ...
Fundamental Limits in Confocal Microscopy
... that one may choose to sample a plane by sequentially scanning the illumination over a large number of overlapping sub-volumes that cover the focus plane and that by doing so, one may produce a 2D image, given sufficiently flexible equipment, one could also use the same total sampling (imaging) time ...
... that one may choose to sample a plane by sequentially scanning the illumination over a large number of overlapping sub-volumes that cover the focus plane and that by doing so, one may produce a 2D image, given sufficiently flexible equipment, one could also use the same total sampling (imaging) time ...
full article pdf
... measuring defects of this scale is best accomplished with a calibrated microscope system. But, a microscope with sufficient magnification to properly resolve such small defects will necessarily have a relatively small field of view. This can make it difficult to image the entire length of a scratch, ...
... measuring defects of this scale is best accomplished with a calibrated microscope system. But, a microscope with sufficient magnification to properly resolve such small defects will necessarily have a relatively small field of view. This can make it difficult to image the entire length of a scratch, ...
Constant Resolution Omnidirectional Cameras
... a way that certain world-to-image geometric properties are preserved - which we will refer to as linear projection properties. The choice of the properties that should be preserved by the catadioptric imaging system is naturally related to the specific application at hand: e.g. tracking and visual n ...
... a way that certain world-to-image geometric properties are preserved - which we will refer to as linear projection properties. The choice of the properties that should be preserved by the catadioptric imaging system is naturally related to the specific application at hand: e.g. tracking and visual n ...
LEONI Fiber Optics
... Mono or fiber cones possible ■■ Mono cone with core and cladding ■■ Fiber cone consisting of several hundred individual fibers ➔ enlarging or reducing photographic-grade line possible 0.1 mm to ≥10 mm Stainless steel housing, as per medical standard ...
... Mono or fiber cones possible ■■ Mono cone with core and cladding ■■ Fiber cone consisting of several hundred individual fibers ➔ enlarging or reducing photographic-grade line possible 0.1 mm to ≥10 mm Stainless steel housing, as per medical standard ...
Night vision device
![](https://commons.wikimedia.org/wiki/Special:FilePath/PEO_ANAVS-6_NVG.jpg?width=300)
A night vision device (NVD) is an optoelectronic device that allows images to be produced in levels of light approaching total darkness. The image may be a conversion to visible light of both visible light and near-infrared, while by convention detection of thermal infrared is denoted thermal imaging. The image produced is typically monochrome, e.g. shades of green. NVDs are most often used by the military and law enforcement agencies, but are available to civilian users. The term usually refers to a complete unit, including an image intensifier tube, a protective and generally water-resistant housing, and some type of mounting system. Many NVDs also include optical components such as a sacrificial lens, or telescopic lenses or mirrors. An NVD may have an IR illuminator, making it an active as opposed to passive night vision device.Night vision devices were first used in World War II, and came into wide use during the Vietnam War. The technology has evolved greatly since their introduction, leading to several ""generations"" of night vision equipment with performance increasing and price decreasing. Consequently, they are available for a wide range of applications, e.g. for gunners, drivers and aviators. Another term is ""night optical/observation device"" or NOD.