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Photonic crystal slot nanobeam slow light
... region and holes. We will call it slot mode later. The slot mode profile of this waveguide is similar to the even mode profile around cavities in coupled nanobeams as described in Refs. 13–15 but is not the same, which will be discussed later. For a real sample, the length of waveguides is always fi ...
... region and holes. We will call it slot mode later. The slot mode profile of this waveguide is similar to the even mode profile around cavities in coupled nanobeams as described in Refs. 13–15 but is not the same, which will be discussed later. For a real sample, the length of waveguides is always fi ...
Senior project - Clark Haynie Walters
... second TL071 setup as a voltage follower with the purpose of preventing loading on the filter circuit. The third TL071 was designed as a high pass filter with its input drawing from the voltage follower. The final TL071 was set up as a low pass filter drawing from the output of the high pass filter. ...
... second TL071 setup as a voltage follower with the purpose of preventing loading on the filter circuit. The third TL071 was designed as a high pass filter with its input drawing from the voltage follower. The final TL071 was set up as a low pass filter drawing from the output of the high pass filter. ...
5 Data Conversion III - Resolution, Quality and Intelligibility
... An image is commonly thought of as a two dimensional object. However, when digitised it essentially becomes a three dimensional object since the brightness of the image must be quantised also to convert it into digital form. Initially, let us ignore what is commonly referred to as the digital resolu ...
... An image is commonly thought of as a two dimensional object. However, when digitised it essentially becomes a three dimensional object since the brightness of the image must be quantised also to convert it into digital form. Initially, let us ignore what is commonly referred to as the digital resolu ...
Using the Spectrophotometer
... Make sure that position 1 is aligned with the light source. Be sure to have the clear faces of the cuvette facing towards the front! • Close the sample compartment door. • Press the AUTO ZERO button on the keypad. The display shows “ZEROING...” and then will show “E 530NM 0.000A” • Remove the blank. ...
... Make sure that position 1 is aligned with the light source. Be sure to have the clear faces of the cuvette facing towards the front! • Close the sample compartment door. • Press the AUTO ZERO button on the keypad. The display shows “ZEROING...” and then will show “E 530NM 0.000A” • Remove the blank. ...
Soleil-Babinet Compensator
... SBC-COMM is an accessories package that allows the digital micrometer to be connected to a computer via an RS-232 communications port. In addition to the cables and connectors, SBC-COMM includes a CD with micrometer LabVIEW drivers and a stand-alone micrometer program. Once the Soleil-Babinet compen ...
... SBC-COMM is an accessories package that allows the digital micrometer to be connected to a computer via an RS-232 communications port. In addition to the cables and connectors, SBC-COMM includes a CD with micrometer LabVIEW drivers and a stand-alone micrometer program. Once the Soleil-Babinet compen ...
WHITEPAPER Centration Measurement, Alignment
... the VIS, so specialized image processing algorithms are used to reach the required high resolution. OptiCentric® in the standard reflection mode relies on back-reflection from the lens surface, so the light intensity of the reflected reticule image strongly depends on the type of coating used. Typic ...
... the VIS, so specialized image processing algorithms are used to reach the required high resolution. OptiCentric® in the standard reflection mode relies on back-reflection from the lens surface, so the light intensity of the reflected reticule image strongly depends on the type of coating used. Typic ...
Low-Cost,Low-Power Level Shifting In Mixed
... resistors in portable equipment can have a serious impact on battery life and, as such, must be addressed. ...
... resistors in portable equipment can have a serious impact on battery life and, as such, must be addressed. ...
A 50" time-multiplexed autostereoscopic display
... A fivefold increase in image luminance has been achieved by the replacement of sequential colour on a single CRT with separate red, green and blue CRTs. The three colour channels are combined by dichroic mirrors and beam splitters. This, in conjunction with the longer optical path of the new device, ...
... A fivefold increase in image luminance has been achieved by the replacement of sequential colour on a single CRT with separate red, green and blue CRTs. The three colour channels are combined by dichroic mirrors and beam splitters. This, in conjunction with the longer optical path of the new device, ...
Amplifier
... 10 cially adapted for use in transmitting television pictures and accompanying sounds over a single radio channel and is also useful for the purpose of introducing synchronizing signals in the same ' channel as that which carries the picture im ...
... 10 cially adapted for use in transmitting television pictures and accompanying sounds over a single radio channel and is also useful for the purpose of introducing synchronizing signals in the same ' channel as that which carries the picture im ...
U17301 - 3B Scientific
... The demonstration set U17300 was designed for easy and clear demonstration of basic optical effects and devices. Using diode laser as a light source for experiments enables both teacher and student to understand the principle of simple and more complicated optical systems. In this guide book you can ...
... The demonstration set U17300 was designed for easy and clear demonstration of basic optical effects and devices. Using diode laser as a light source for experiments enables both teacher and student to understand the principle of simple and more complicated optical systems. In this guide book you can ...
Analog Devices Welcomes Hittite Microwave Corporation
... Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. N ...
... Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. N ...
Full Paper - Australian Acoustical Society
... The song or music playing was ‘pseudo-randomly’ selected to represent that typically used by owner of the device. For example, this may have been a frequently listened to or favourite selection. In this way it was intended to sample the range of outputs experienced by a large number of users. The ac ...
... The song or music playing was ‘pseudo-randomly’ selected to represent that typically used by owner of the device. For example, this may have been a frequently listened to or favourite selection. In this way it was intended to sample the range of outputs experienced by a large number of users. The ac ...
Understanding Polarization
... 2. A description of the polarization of light To understand the polarization of light, we must first recognize that light can be described as a classical wave. The most basic parameters that describe any wave are the amplitude and the wavelength. For example, the amplitude of a wave represents the l ...
... 2. A description of the polarization of light To understand the polarization of light, we must first recognize that light can be described as a classical wave. The most basic parameters that describe any wave are the amplitude and the wavelength. For example, the amplitude of a wave represents the l ...
Chapter 36
... A Fresnal lens is designed to take advantage of this fact. It produces a powerful lens without great thickness. ...
... A Fresnal lens is designed to take advantage of this fact. It produces a powerful lens without great thickness. ...
Individually Addressable Submicron Scale Light
... on an indium-tin oxide (ITO) glass substrate and then dried at 145 °C in an Ar atmosphere for over 20 h produced amorphous films. These are provided with a top contact of Ga:In alloy to form a structure designated as ITO/Ru(bpy)3(ClO4)2(a)/Ga:In.3 However, in the present study the ITO electrodes wer ...
... on an indium-tin oxide (ITO) glass substrate and then dried at 145 °C in an Ar atmosphere for over 20 h produced amorphous films. These are provided with a top contact of Ga:In alloy to form a structure designated as ITO/Ru(bpy)3(ClO4)2(a)/Ga:In.3 However, in the present study the ITO electrodes wer ...
Light Polariser
... when they say this. As with any form of energy, light can be produced in one place and have an effect in another place, which may be very distant from where it was produced. In this respect it is similar to a tennis ball that carries energy from the place where it is hit to the place where it lands. ...
... when they say this. As with any form of energy, light can be produced in one place and have an effect in another place, which may be very distant from where it was produced. In this respect it is similar to a tennis ball that carries energy from the place where it is hit to the place where it lands. ...
Exam 4-WWP
... a. when the object is far away b. when the object is near c. when the eye is out of focus d. none of these 15. When two waves are offset by one-half of a wavelength, they experience ____________. a. total constructive interference b. total destructive interference c. interference, but not total cons ...
... a. when the object is far away b. when the object is near c. when the eye is out of focus d. none of these 15. When two waves are offset by one-half of a wavelength, they experience ____________. a. total constructive interference b. total destructive interference c. interference, but not total cons ...
Four Aces of Refractive Surgery: Aberrations
... from a superior direction is located below the optical axis in a myopic eye and above the optical axis in a hyperopic eye. Because the retina can be considered a spherically concave mirror (reflecting about 4% of the incident light), the beam is reflected back in more or less the original direction ...
... from a superior direction is located below the optical axis in a myopic eye and above the optical axis in a hyperopic eye. Because the retina can be considered a spherically concave mirror (reflecting about 4% of the incident light), the beam is reflected back in more or less the original direction ...
Transformation-designed optical elements
... The transformation method allows one to design continuous media that exert precise and arbitrary control over a field, particularly the electromagnetic field[1][2][3][4]. Even the challenging problem of reflectionless design in arbitrary geometries is quite straight foward. The resulting material sp ...
... The transformation method allows one to design continuous media that exert precise and arbitrary control over a field, particularly the electromagnetic field[1][2][3][4]. Even the challenging problem of reflectionless design in arbitrary geometries is quite straight foward. The resulting material sp ...
Nondiffracting Light Beams for Long Ranges
... (argon-laser) transmission by a Galilean telescope of 10 cm diameter. By this reason, we will introduce at first generation of a LRNB of 10 cm diameter. The focal length f of the telescope’s objective is 40 cm, thus F (=f/D) is 4 and that of eyepiece is set to be 5 cm. Figure 4 shows a wave front wh ...
... (argon-laser) transmission by a Galilean telescope of 10 cm diameter. By this reason, we will introduce at first generation of a LRNB of 10 cm diameter. The focal length f of the telescope’s objective is 40 cm, thus F (=f/D) is 4 and that of eyepiece is set to be 5 cm. Figure 4 shows a wave front wh ...
305-261/262 Measurement Laboratory
... signal is produced for two different distances between the probe tip and the moving object. In addition, the amount of reflected light is not only a function of the distance but also of the surface condition of the moving object. The manufacturer of the device specifies the output only for ideal con ...
... signal is produced for two different distances between the probe tip and the moving object. In addition, the amount of reflected light is not only a function of the distance but also of the surface condition of the moving object. The manufacturer of the device specifies the output only for ideal con ...
MAMMOGRAPHIC DETECTORS
... image at the exit of the phosphor and at the entrance to the CCD. To accomplish the required demagnification, the fibre optic bundle can be tapered by drawing it under heat (Yaffe and Rowlands 1997). ...
... image at the exit of the phosphor and at the entrance to the CCD. To accomplish the required demagnification, the fibre optic bundle can be tapered by drawing it under heat (Yaffe and Rowlands 1997). ...
Measuring cellular structure at submicrometer scale with light
... from an ensemble of nonsymmetrical randomly oriented parti, and the only nonzero components of the ...
... from an ensemble of nonsymmetrical randomly oriented parti, and the only nonzero components of the ...
Light sheet-based fluorescence microscopy: more dimensions, more
... Since the lateral extent of the point spread function (PSF) is smaller than its axial extent, the use of a single lens always results in an anisotropic PSF, which is elongated along the z axis. In LSFM, the specimen is illuminated from the side by a thin light sheet. The center of the light sheet ov ...
... Since the lateral extent of the point spread function (PSF) is smaller than its axial extent, the use of a single lens always results in an anisotropic PSF, which is elongated along the z axis. In LSFM, the specimen is illuminated from the side by a thin light sheet. The center of the light sheet ov ...
Test - Wave Optics
... An optical medium is characterized by a quantity n I, called the refraetive index. The refractive index is the ratio of the speed of light in free space c , to that in the medium c. Therefore, the time taken by light to travel a distance d equals d/c = nd/c . It is thus proportional to the product n ...
... An optical medium is characterized by a quantity n I, called the refraetive index. The refractive index is the ratio of the speed of light in free space c , to that in the medium c. Therefore, the time taken by light to travel a distance d equals d/c = nd/c . It is thus proportional to the product n ...
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.