356961: Internet Protocols - ECSE - Rensselaer Polytechnic Institute
... Instead of DSF fibers, use dispersion compensation modules Eg: In-fiber chirped bragg gratings (carefully reflect selected s and make then travel a longer path segment) to compensate for C-dispersion Shivkumar Kalyanaraman ...
... Instead of DSF fibers, use dispersion compensation modules Eg: In-fiber chirped bragg gratings (carefully reflect selected s and make then travel a longer path segment) to compensate for C-dispersion Shivkumar Kalyanaraman ...
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... Abstract: We develop and validate a Modified Beer-Lambert law for blood flow based on diffuse correlation spectroscopy (DCS) measurements. The new formulation enables blood flow monitoring from temporal intensity autocorrelation function data taken at single or multiple delay-times. Consequentially, ...
... Abstract: We develop and validate a Modified Beer-Lambert law for blood flow based on diffuse correlation spectroscopy (DCS) measurements. The new formulation enables blood flow monitoring from temporal intensity autocorrelation function data taken at single or multiple delay-times. Consequentially, ...
Transformational Plasmon Optics Yongmin Liu, Thomas Zentgraf, Guy Bartal,
... energy into the far field. In addition to the intrinsic Ohmic losses of metals, scattering can be a major loss factor that limits the propagation length of SPPs.21 Scattering exists when two plasmonic modes are mismatched, that is, they have different penetration depths into the dielectric and metal ...
... energy into the far field. In addition to the intrinsic Ohmic losses of metals, scattering can be a major loss factor that limits the propagation length of SPPs.21 Scattering exists when two plasmonic modes are mismatched, that is, they have different penetration depths into the dielectric and metal ...
Transformational Plasmon Optics Yongmin Liu, Thomas Zentgraf, Guy Bartal,
... energy into the far field. In addition to the intrinsic Ohmic losses of metals, scattering can be a major loss factor that limits the propagation length of SPPs.21 Scattering exists when two plasmonic modes are mismatched, that is, they have different penetration depths into the dielectric and metal ...
... energy into the far field. In addition to the intrinsic Ohmic losses of metals, scattering can be a major loss factor that limits the propagation length of SPPs.21 Scattering exists when two plasmonic modes are mismatched, that is, they have different penetration depths into the dielectric and metal ...
OPTIMISATION OF PHOTONIC CRYSTAL WAVEGUIDE BASED OPTICAL FILTER
... are called crystals because of the periodicity and photonic because they act on light. Photonic crystals are also found in nature. For instance, the pattern on the butterfly’s wing and its rainbow play is caused by the light reflection from the microstructure on the wing. Photonic crystals, in which ...
... are called crystals because of the periodicity and photonic because they act on light. Photonic crystals are also found in nature. For instance, the pattern on the butterfly’s wing and its rainbow play is caused by the light reflection from the microstructure on the wing. Photonic crystals, in which ...
Fibre-Loop Ring-Down Spectroscopy Using Liquid Core Waveguides
... of the light intensity in the cavity is measured, thereby rendering the techniques insensitive to light intensity fluctuations. Optical waveguides are used to build the optical cavities presented in this work. The geometries of such waveguides permit the use of very small liquid sample volumes while ...
... of the light intensity in the cavity is measured, thereby rendering the techniques insensitive to light intensity fluctuations. Optical waveguides are used to build the optical cavities presented in this work. The geometries of such waveguides permit the use of very small liquid sample volumes while ...
01.01.2001 – 31.03.2003 - Archiv Physik
... magnetization jumps due to independent magnons in frustrated quantum spin lattices, Phys. Rev. Lett. 88 (2002) 167207 H.-J. Schmidt, J. Schnack, Partition functions and symmetric polynomials, Am. J. Phys. 70 (2002) 53-57 J. Schnack, H.-J. Schmidt, J. Richter, J. Schulenburg, Independent magnon state ...
... magnetization jumps due to independent magnons in frustrated quantum spin lattices, Phys. Rev. Lett. 88 (2002) 167207 H.-J. Schmidt, J. Schnack, Partition functions and symmetric polynomials, Am. J. Phys. 70 (2002) 53-57 J. Schnack, H.-J. Schmidt, J. Richter, J. Schulenburg, Independent magnon state ...
technical paper
... every day use. Protective coatings that simulate the reflective color of gold, silver, bronze and copper can be applied to less expensive materials to reduce cost and extend their lifetime. New methods of reducing counterfeiting of currency and labels are constantly needed. Color shift coatings are ...
... every day use. Protective coatings that simulate the reflective color of gold, silver, bronze and copper can be applied to less expensive materials to reduce cost and extend their lifetime. New methods of reducing counterfeiting of currency and labels are constantly needed. Color shift coatings are ...
Hasan, Ahmed and Mohiuddin
... However, when light propagates through a material rather than through free space, the electric and magnetic fields of the light induce a polarization in the electron clouds of the material. This polarization makes it more difficult for the light to travel through the material, so the light must slo ...
... However, when light propagates through a material rather than through free space, the electric and magnetic fields of the light induce a polarization in the electron clouds of the material. This polarization makes it more difficult for the light to travel through the material, so the light must slo ...
Distortion free pulse delay system using a pair of
... product is based on the use of dynamically reconfigured cavity bandwidth and dispersion in photonic crystals [16,17]. With high-speed electrical or optical control, the cavity finesse is lowered, thus enhancing its bandwidth to be large enough to load a high bit-rate data stream. Once the stream is ...
... product is based on the use of dynamically reconfigured cavity bandwidth and dispersion in photonic crystals [16,17]. With high-speed electrical or optical control, the cavity finesse is lowered, thus enhancing its bandwidth to be large enough to load a high bit-rate data stream. Once the stream is ...
I41035057
... combination of low noise and high gain of EDFA. M. M. Ismail et. al. [5] discussed simulation of WDM optical network in terms of length and pump power and found gain flattened from 1546 nm to 1558 nm band of wavelength with noise figure less than 9 dB for 16-channels simultaneous amplification in a ...
... combination of low noise and high gain of EDFA. M. M. Ismail et. al. [5] discussed simulation of WDM optical network in terms of length and pump power and found gain flattened from 1546 nm to 1558 nm band of wavelength with noise figure less than 9 dB for 16-channels simultaneous amplification in a ...
Handbook of Optical Filters for Fluorescence Microscopy
... The quantum efficiency, which is the ratio of light energy absorbed to fluorescence emitted, determines how much of this absorbed light energy will be converted to fluorescence. The most efficient common fluorochromes have a quantum efficiency of approximately 0.3, but the actual value can be reduce ...
... The quantum efficiency, which is the ratio of light energy absorbed to fluorescence emitted, determines how much of this absorbed light energy will be converted to fluorescence. The most efficient common fluorochromes have a quantum efficiency of approximately 0.3, but the actual value can be reduce ...
Optical phase conjugation: principles, techniques, and applications
... 7.2.5. OPC-associated optical data processing . . . . . . . . . . . 7.3. Midway OPC for fiber communication systems . . . . . . . . . . . 7.3.1. Dispersion-shifted fiber (DSF) systems . . . . . . . . . . . . 7.3.2. Semiconductor optical amplifier (SOA) systems . . . . . . . 7.3.3. Second-order nonlinea ...
... 7.2.5. OPC-associated optical data processing . . . . . . . . . . . 7.3. Midway OPC for fiber communication systems . . . . . . . . . . . 7.3.1. Dispersion-shifted fiber (DSF) systems . . . . . . . . . . . . 7.3.2. Semiconductor optical amplifier (SOA) systems . . . . . . . 7.3.3. Second-order nonlinea ...
Novel applications of Photonic Force Microscopy Giovanni Volpe
... forces acting on the particle. The three-dimensional probe position can be recorded through different devices, which detect the forward or backward scattered light from the particle. The PFM had been applied to measure forces in the range of femto- to pico-Newton - well below the limits of what can ...
... forces acting on the particle. The three-dimensional probe position can be recorded through different devices, which detect the forward or backward scattered light from the particle. The PFM had been applied to measure forces in the range of femto- to pico-Newton - well below the limits of what can ...
Print this article - Indian Journal of Science and Technology
... several advantages such as easy to handle, mechanical strength, disposability and easy mass production of components and systems compared to silica based fiber6. Besides that, POFs stand out for their greater flexibility and resistance to impacts and vibrations, as well as greater coupling of light ...
... several advantages such as easy to handle, mechanical strength, disposability and easy mass production of components and systems compared to silica based fiber6. Besides that, POFs stand out for their greater flexibility and resistance to impacts and vibrations, as well as greater coupling of light ...
Composite Optical Vortices Formed by Collinear Laguerre-Gauss Beams
... of its arms. For the experiments reported here we selected one of the | | = 2 beams by putting a beam block (B in Fig. 3) in the appropriate arm of the interferometer. The pure LG beams were diagnosed by interference with the = 0 reference beam; the gratings were mounted on XY translation stages so ...
... of its arms. For the experiments reported here we selected one of the | | = 2 beams by putting a beam block (B in Fig. 3) in the appropriate arm of the interferometer. The pure LG beams were diagnosed by interference with the = 0 reference beam; the gratings were mounted on XY translation stages so ...
Silicon photonics
Silicon photonics is the study and application of photonic systems which use silicon as an optical medium. The silicon is usually patterned with sub-micrometre precision, into microphotonic components. These operate in the infrared, most commonly at the 1.55 micrometre wavelength used by most fiber optic telecommunication systems. The silicon typically lies on top of a layer of silica in what (by analogy with a similar construction in microelectronics) is known as silicon on insulator (SOI).Silicon photonic devices can be made using existing semiconductor fabrication techniques, and because silicon is already used as the substrate for most integrated circuits, it is possible to create hybrid devices in which the optical and electronic components are integrated onto a single microchip. Consequently, silicon photonics is being actively researched by many electronics manufacturers including IBM and Intel, as well as by academic research groups such as that of Prof. Michal Lipson, who see it is a means for keeping on track with Moore's Law, by using optical interconnects to provide faster data transfer both between and within microchips.The propagation of light through silicon devices is governed by a range of nonlinear optical phenomena including the Kerr effect, the Raman effect, two photon absorption and interactions between photons and free charge carriers. The presence of nonlinearity is of fundamental importance, as it enables light to interact with light, thus permitting applications such as wavelength conversion and all-optical signal routing, in addition to the passive transmission of light.Silicon waveguides are also of great academic interest, due to their ability to support exotic nonlinear optical phenomena such as soliton propagation.