Introduction to Fiber Optic Sensing
... the simplest to measure, as only one source and detector are required. Some intrinsic fiber optic sensors can provide distributed sensing along the entire length of the fiber. Within the division of intrinsic sensors, the most common types of technology are scattering and FBG based techniques, and ...
... the simplest to measure, as only one source and detector are required. Some intrinsic fiber optic sensors can provide distributed sensing along the entire length of the fiber. Within the division of intrinsic sensors, the most common types of technology are scattering and FBG based techniques, and ...
Coherent Population Trapping in Real and Artificial Atoms
... In spite of these complications, CPT has great potential for technologically advanced applications, with the example of frequency conversion being demonstrated here. As a medium for these applications, semiconductor systems are more practical than atomic sodium. The second system studied is a quantu ...
... In spite of these complications, CPT has great potential for technologically advanced applications, with the example of frequency conversion being demonstrated here. As a medium for these applications, semiconductor systems are more practical than atomic sodium. The second system studied is a quantu ...
Optical forces through guided light deflections
... optical trapping handles in optically-steered microtools [11, 12] and optical micro-assembly [13]. Optimized structures can serve to enhance optical forces in standard optical tweezer systems, as well as possibly enable strong optical trapping using only moderate to low numerical aperture lenses, wh ...
... optical trapping handles in optically-steered microtools [11, 12] and optical micro-assembly [13]. Optimized structures can serve to enhance optical forces in standard optical tweezer systems, as well as possibly enable strong optical trapping using only moderate to low numerical aperture lenses, wh ...
Defect-based Photonic Crystal Cavity for Silicon Laser PHYC/ECE 568
... A totally different approach based on Raman gain in silicon was suggested by Jalali e.tal.. Stimulated Raman scattering (SRS) was successfully used towards the first demonstration of silicon laser[3]. In this section, a brief overview of Raman gain in silicon is given. In Raman scattering, the incid ...
... A totally different approach based on Raman gain in silicon was suggested by Jalali e.tal.. Stimulated Raman scattering (SRS) was successfully used towards the first demonstration of silicon laser[3]. In this section, a brief overview of Raman gain in silicon is given. In Raman scattering, the incid ...
W. Ketterle
... 3. Bragg spectroscopy of a Bose-Einstein condensate The first evidence for Bose-Einstein condensation in dilute gases was obtained by a sudden narrowing of the velocity distribution as observed for ballistically expanding clouds of atoms. However, the dominant contribution to the observed momentum d ...
... 3. Bragg spectroscopy of a Bose-Einstein condensate The first evidence for Bose-Einstein condensation in dilute gases was obtained by a sudden narrowing of the velocity distribution as observed for ballistically expanding clouds of atoms. However, the dominant contribution to the observed momentum d ...
Nonlocal Labeling of Paths in a Single-Photon Interferometer
... was going through arm B of the interferometer 共i.e., adjusting ␣ = 0兲, we blocked arm A, placed a polarizer P2 after the interferometer, and tilted W P until the measurement of the polarization correlations satisfied Eq. 共4a兲. Our analysis of this correlation accounted for the mirror inversion produ ...
... was going through arm B of the interferometer 共i.e., adjusting ␣ = 0兲, we blocked arm A, placed a polarizer P2 after the interferometer, and tilted W P until the measurement of the polarization correlations satisfied Eq. 共4a兲. Our analysis of this correlation accounted for the mirror inversion produ ...
Optical properties of metals and alloys
... structure of solids, were dominated by reflectometric techniques because of the high reflectivity and very shallow skin depth of metals. Since reflectometry normally deals with the variation of light intensities and is therefore a power measurement, the absolute reflectance coefficients obtained fro ...
... structure of solids, were dominated by reflectometric techniques because of the high reflectivity and very shallow skin depth of metals. Since reflectometry normally deals with the variation of light intensities and is therefore a power measurement, the absolute reflectance coefficients obtained fro ...
Proceedings of the ASME 2012 International Design Engineering Technical Conferences... Computers and Information in Engineering Conference
... of positioning and orienting capabilities of the system [2]. Additionally, optical tweezers systems can be used to manipulate cells in a controlled manner without causing them any damage [3,4,5]. ...
... of positioning and orienting capabilities of the system [2]. Additionally, optical tweezers systems can be used to manipulate cells in a controlled manner without causing them any damage [3,4,5]. ...
Ab-initio Calculations of Photonic Structures
... the PhC. The whole configuration permits having a large value for factor ( QT /V˜T ), along with a high- Q resonant confinement also for the pump and idler frequencies. Figure 1b shows the structure that results from optimizing the geometrical parameters of the system for efficient generation at 1 T ...
... the PhC. The whole configuration permits having a large value for factor ( QT /V˜T ), along with a high- Q resonant confinement also for the pump and idler frequencies. Figure 1b shows the structure that results from optimizing the geometrical parameters of the system for efficient generation at 1 T ...
1. Introduction - About the journal
... The fade probability corresponding to the two different scales of turbulence eddies, calculated using (19) and (22) on the assumption that the optical irradiance is lognormally distributed, is depicted in Fig 4. The integral in (22) was evaluated numerically. It is evident from Fig. 2 and Fig. 4 tha ...
... The fade probability corresponding to the two different scales of turbulence eddies, calculated using (19) and (22) on the assumption that the optical irradiance is lognormally distributed, is depicted in Fig 4. The integral in (22) was evaluated numerically. It is evident from Fig. 2 and Fig. 4 tha ...
Beam Diagnostics 2 - ab-abp-frankz
... wire velocity: depends on desired interpoint spacing and on the bunch repetition frequency detection of beam with wire: 1. change in voltage on wire induced by secondary emission 2. hard Bremsstrahlung – forward directed s which are separated from beam via an applied magnetic field and converted to ...
... wire velocity: depends on desired interpoint spacing and on the bunch repetition frequency detection of beam with wire: 1. change in voltage on wire induced by secondary emission 2. hard Bremsstrahlung – forward directed s which are separated from beam via an applied magnetic field and converted to ...
Precision Velocity Measurements of Pulsed Supersonic Jets
... The formation and growth of clusters in the gas phase is a common phenomenon in nature and technology. The condensation of supersaturated gases also is of fundamental relevance in a number of research fields, such as, for instance, atmospheric and environmental chemistry, chemical engineering, and pr ...
... The formation and growth of clusters in the gas phase is a common phenomenon in nature and technology. The condensation of supersaturated gases also is of fundamental relevance in a number of research fields, such as, for instance, atmospheric and environmental chemistry, chemical engineering, and pr ...
Fundamentals of Free-Space Laser Communicatios
... Link equation combines attenuation and geometrical aspects to calculate the received optical power as a function of range, telescope aperture sizes and atmospheric transmissions. The link equation can be used to generate power detection curves as a function of range. Figure shows the calculated rece ...
... Link equation combines attenuation and geometrical aspects to calculate the received optical power as a function of range, telescope aperture sizes and atmospheric transmissions. The link equation can be used to generate power detection curves as a function of range. Figure shows the calculated rece ...
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... 1. Huygens’ principle 2. Fermat’s principle 3. Interference of all possible paths of light wave from source to observer — it results in destructive interference everywhere except extrema of phase (where interference is constructive)—which become actual paths. 4. Application of the general bounda ...
... 1. Huygens’ principle 2. Fermat’s principle 3. Interference of all possible paths of light wave from source to observer — it results in destructive interference everywhere except extrema of phase (where interference is constructive)—which become actual paths. 4. Application of the general bounda ...
