Results from an Extremely Sensitive Rayleigh
... The Rayleigh-Scatter lidar system at the Atmospheric Lidar Observatory (ALO) at Utah State University is currently going through a series of upgrades to make it the most sensitive instrument of its kind. The previous version of the Rayleigh lidar operated for more than a decade on the USU campus and ...
... The Rayleigh-Scatter lidar system at the Atmospheric Lidar Observatory (ALO) at Utah State University is currently going through a series of upgrades to make it the most sensitive instrument of its kind. The previous version of the Rayleigh lidar operated for more than a decade on the USU campus and ...
A-141
... Photoelectric switches operate by an emitter unit producing a beam of modulated light that is detected by a receiver, either free-standing or in the same housing, and sensing action occurs when the beam is broken by an object. These switches, like proximity switches, operate without touching the det ...
... Photoelectric switches operate by an emitter unit producing a beam of modulated light that is detected by a receiver, either free-standing or in the same housing, and sensing action occurs when the beam is broken by an object. These switches, like proximity switches, operate without touching the det ...
3D Finite Element Model for Writing Long
... laser beam emitted by a CO2 laser, different experimental methodologies have been used to write LPFGs [15]. The most common is, probably, using a static asymmetrical irradiation with a CW CO2 laser and a cylindrical lens focusing a laser line on the fiber. This method has the advantage of requiring ...
... laser beam emitted by a CO2 laser, different experimental methodologies have been used to write LPFGs [15]. The most common is, probably, using a static asymmetrical irradiation with a CW CO2 laser and a cylindrical lens focusing a laser line on the fiber. This method has the advantage of requiring ...
Spectroscopy, Manipulation and Trapping of Neutral Atoms
... which single atoms/particles can be trapped, probed, and manipulated, thereby providing a useful tool for advancing quantum engineered devices. The focus of this review paper is on the application of optical nanofibers (ONFs) [10–13] for the detection, manipulation, and trapping of laser-cooled atom ...
... which single atoms/particles can be trapped, probed, and manipulated, thereby providing a useful tool for advancing quantum engineered devices. The focus of this review paper is on the application of optical nanofibers (ONFs) [10–13] for the detection, manipulation, and trapping of laser-cooled atom ...
Multimode or Single-Mode Optical Fiber
... pushing data communications rates from 1 and 10G to 40 and 100G and beyond in enterprise and data center networks. These higher speeds might lead system designers to believe that single-mode optical fiber enjoys an increasing advantage over multimode optical fiber in premises applications. However, ...
... pushing data communications rates from 1 and 10G to 40 and 100G and beyond in enterprise and data center networks. These higher speeds might lead system designers to believe that single-mode optical fiber enjoys an increasing advantage over multimode optical fiber in premises applications. However, ...
Electronic state dependence in dissociation of core
... the fundamental addition of complexity arises from the possibility for the molecule to change its intrinsic framework due to nuclear motion. In a stable molecule this can be treated as two types of periodic motion: Rotation — where the whole nuclear framework is rotating — and vibration — where the ...
... the fundamental addition of complexity arises from the possibility for the molecule to change its intrinsic framework due to nuclear motion. In a stable molecule this can be treated as two types of periodic motion: Rotation — where the whole nuclear framework is rotating — and vibration — where the ...
Read more - Spectromatch
... of lighting intensity and lighting sources. In reality the patient will never always be under just one illuminant. Figure 6 shows just how much variation there is between commonly found lighting, outside, at home, shopping or at work. ...
... of lighting intensity and lighting sources. In reality the patient will never always be under just one illuminant. Figure 6 shows just how much variation there is between commonly found lighting, outside, at home, shopping or at work. ...
Optical Resonators and Mode Matching
... semiconductor material. The index-of-refraction of the semiconductor is so high compared to the surrounding air that it reflects a substantial portion of the incident light. Nowadays, totalinternal reflection within a sphere or other geometrical structure is also often utilized in optical resonators ...
... semiconductor material. The index-of-refraction of the semiconductor is so high compared to the surrounding air that it reflects a substantial portion of the incident light. Nowadays, totalinternal reflection within a sphere or other geometrical structure is also often utilized in optical resonators ...
Label-free super-resolution imaging of adenoviruses by submerged
... substrate thickness is assumed to be 20 nm. The light wavelength is set to the center of the visible spectrum, i.e., 550 nm. The ambient condition in the model is water (refractive index n51.33). When an EM plane wave (wavelength of 550 nm) arrives on the substrate, most of light energy is reflected ...
... substrate thickness is assumed to be 20 nm. The light wavelength is set to the center of the visible spectrum, i.e., 550 nm. The ambient condition in the model is water (refractive index n51.33). When an EM plane wave (wavelength of 550 nm) arrives on the substrate, most of light energy is reflected ...
Doctor Study Program in Physics and Astronomy
... 1.4. Semiclassical approximation. Boundary conditions and theBohrSommerfeld quantization. Tunneling. Semiclassical matrix elements. 2. Hydrogen atom. 2.1. Schrodinger equation for hydrogen atom in spherical coordinates. 2.2. Rydberg states. Semiclassical wave functions. Quantum defect. 2.3. Schrodin ...
... 1.4. Semiclassical approximation. Boundary conditions and theBohrSommerfeld quantization. Tunneling. Semiclassical matrix elements. 2. Hydrogen atom. 2.1. Schrodinger equation for hydrogen atom in spherical coordinates. 2.2. Rydberg states. Semiclassical wave functions. Quantum defect. 2.3. Schrodin ...
Colloquium: Physics of optical lattice clocks
... with an internal atomic transition. Counting the number of oscillations at the source tells time. In practice, realizing this scheme requires that the natural frequency of the atomic transition, ν0 , is impervious to external perturbations. Also, there is a certain width of the resonance δν which li ...
... with an internal atomic transition. Counting the number of oscillations at the source tells time. In practice, realizing this scheme requires that the natural frequency of the atomic transition, ν0 , is impervious to external perturbations. Also, there is a certain width of the resonance δν which li ...
Extended depth-of-field iris recognition system for a
... Narayanswamy et al [9]. The optical transmission of the Wavefront Coded element is defined by a high-order separable function of the form P(x,y) = exp{-j[f(x) + g(y)]}, where f(x) and g(y) are high-order polynomials. One of the key steps in the design of the Wavefront Coded iris recognition system i ...
... Narayanswamy et al [9]. The optical transmission of the Wavefront Coded element is defined by a high-order separable function of the form P(x,y) = exp{-j[f(x) + g(y)]}, where f(x) and g(y) are high-order polynomials. One of the key steps in the design of the Wavefront Coded iris recognition system i ...
the Quantifying Scatter PDF
... associated with the TIS rms roughness relationship. Scatter from discrete features, such as particles and pits, which do not completely fill the illuminated spot, must be treated differently. This is because changes in spot size, with no corresponding change in total incident power, will change the ...
... associated with the TIS rms roughness relationship. Scatter from discrete features, such as particles and pits, which do not completely fill the illuminated spot, must be treated differently. This is because changes in spot size, with no corresponding change in total incident power, will change the ...
Chapter 3 Geometric Optics
... The subscript p stands for phase, to remind us that this is the speed that the phase of the light wave advances. There is another velocity called vg or group velocity, that describes the speed of energy flow. These can be different (see Lab 6). Here we care about vp. In most media, n(λ) does not cha ...
... The subscript p stands for phase, to remind us that this is the speed that the phase of the light wave advances. There is another velocity called vg or group velocity, that describes the speed of energy flow. These can be different (see Lab 6). Here we care about vp. In most media, n(λ) does not cha ...
Meetings in Physics 2005
... microwave structures, providing us with the opportunity to obtain fundamental information about the physics of the processes, taking place in such structures. The base of the near field measurement technique is in obtaining the field amplitude and phase of the device under test with a high accuratel ...
... microwave structures, providing us with the opportunity to obtain fundamental information about the physics of the processes, taking place in such structures. The base of the near field measurement technique is in obtaining the field amplitude and phase of the device under test with a high accuratel ...