2 edition of Guided-wave approaches to spectrally selective energy absorption found in the catalog.
Guided-wave approaches to spectrally selective energy absorption
|Other titles||Guided wave approaches to spectrally selective energy absorption.|
|Series||NASA-CR -- 182532., NASA contractor report -- NASA CR-182532.|
|Contributions||United States. National Aeronautics and Space Administration.|
|The Physical Object|
Absorption In this process one photon from the radiation ﬁeld disappears and the energy is transferred to an electron as potential energy when it changes state from Em to En. The probability for an electron to undergo the absorption transition is Bmn. Spontaneous Emission When being in an excited state En, an electron in an. An optical sensing system includes a planar optical waveguide having a first surface for detection and a second surface for coupling light. The optical sensing system includes a functional layer integral with the first surface of the planar optical waveguide, and a coupling layer in contact with the second surface of the planar optical waveguide, the coupling layer having a lower refractive Cited by: 1.
S. Ramachandran, “Physics of guided-wave light propagation: Applications to fiber lasers and nonlinear optics,” Short Course, ASSL S. Ramachandran and G.P. Agrawal, “Soliton Self-Mode Conversion (SSMC): Revisiting ultrashort pulse Raman scattering,” Invited Talk, ERC Workshop, Photonics Papers and Abstracts. such as thermophotovoltaic energy generation, selective solar absorption, and selective emission of light. However, special challenges arise when trying to design nanophotonic materials with precisely tailored optical properties that can operate at high-temperatures (> 1, K). A number of approaches to.
In this work the use of guided wave photo-polymerization for the fabrication of novel polymeric micro tips for optical trapping is demonstrated. It is shown that the selective excitation of linear polarized modes, during the fabrication process, has a direct impact on the shape of the resulting micro structures. Full text of "OM85 basic properties of optical materials" See other formats.
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Guided-Wave Approaches to Spectrally Selective Energy Absorption A Final Report prepared for NASA Lewis Research Center Brookpark Road Cleveland, Ohio 35 0 (b&jA-CE-l) GUICEP-EAOE IIEPEOACEES TO % E2 SFECTBALLP SELECTXTE Eb’EBGY AEbCfETXOES Pinal IieFort, 25 Jan.
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[United States. National Aeronautics and Space Administration.;]. b) Guided-wave phase velocity distribution along the line. The black contour line indicates the separation between guided P-waves (bel ow) and guided S-waves (above).
Near-surface characterisation The inversion of phase velocities gives us access to the medium velocities. There are two challenges with dispersion curve inversion: 1. Chapter 10 Fiber Grating Devices in High-Performance Optical Communications Systems Thomas A. Strasser Photuris Inc., Piscataway, New Jersey Turan Erdogan Semrock Inc., Rochester, New York I.
Introduction and Brief History This chapter provides both an overview and a technology update of a relatively recent fiberoptic component technology known as the fiber by: 3. A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text.
Application of Nanostructured Materials for Energy and Environmental Technology light absorption. This enhancement has been attributed to the graded refractive index of nanoneedle arrays that could couple the incident light in an efficient way and also was observed to be less dependent on incident angle.
Publications, Presentations and Patents Summary: Publication Summary (h-index isas of Januaryaccording to Google Scholar): Over publications, in total, including research papers in refereed journals, one monograph and two co-authored books, 7 edited/co-edited books, 29 invited book chapters, a number of invited review articles, and conference proceedings and other.
Now, we consider the adiabatic passage control method implementing chirped pulses for selective excitation of spectrally close Raman transitions within the scheme in Figure This method implies the chirp parameter of the Stokes pulse β to be constant, giving monotonous change of the Stokes pulse frequency, see Eq.
(3), and chirp parameter of the pump pulse α to have same. energy of a particle of matter in the medium of a wave, we find: Then, assuming the entire medium has the same density, we find: Therefore, the intensity is proportional to the square of the frequency and to the square of the amplitude.
Energy Transported by Waves. Figure Calculating the energy carried by a wave moving with velocity Size: 2MB. Electromagnetic metamaterials opened the way to extraordinary manipulation of radiation. Terahertz (THz) and optical metamaterials are usually fabricated by traditional planar-patterning Cited by: Optics has potential benefits in interconnect d., energy, and timing.
The necessity of low interconnect energy imposes low limits esp. on the energy of the optical output devices, with a ∼10 fJ/bit device energy target emerging. Some optical modulators and radical laser Cited by: 9. In the FT-IR spectra, the absorption band at cm-1 was attributed to vibration of C-N with C from aromatic ring.
Also, the high resolution XPS spectra on C revealed the same bond at ,2 eV. SPIE Digital Library Proceedings. Proc. SPIENanophotonics and Micro/Nano Optics II, (13 November ); doi: / Examines a special topic in Electrical, Computer and Energy Engineering. May be repeated up to 9 total credit hours.
ECEN - Special Topics Primary Instructor - Spring / Spring Examines a special topic in Electrical, Computer and Energy Engineering. May be repeated up to 9 total credit hours. ECEN - Microwave and RF Laboratory.
PROCEEDINGS VOLUME application to spectrally and spatially selective optical devices (Conference Presentation) Comparison of experimental approaches to study selective properties of thick phase-amplitude holograms recorded in.
We experimentally demonstrate plasmonic nanocircuits operating as subdiffraction directional couplers optically excited with high efficiency from free-space using optical Yagi-Uda style antennas at λ0 = nm.
The optical Yagi-Uda style antennas are designed to feed channel plasmon waveguides with high efficiency (45% in coupling, 60% total emission), narrow angular directivity (Cited by: We consider resonant nanostructure arrays and gratings illuminated by free-space plane waves.
Semi-infinite metallic and dielectric membranes (slabs surrounded by a vacuum), periodically nanostructured in one or two dimensions, are depicted in figure the 1D case, the structure is infinite in y and infinitely periodic in x, the electromagnetic solutions are independent of by: Metal nanostructures have found extensive use in a variety of applications in chemistry, including as substrates for molecular sensing and surface enhanced spectroscopy and as nanoscale heaters for photothermal therapy.
These applications depend on the strong absorption and field enhancements associated with localized surface plasmon resonance (LSPR).Cited by: absorption lett photon output phys pulses stokes modulation spectral parametric atomic threshold applications bandwidth polarization coherent input density stimulated You can write a book review and share your experiences.
Other readers will. Recently, another demonstration of polarization insensitive, broadband absorption utilized plasmonic TiN coating on an array of μm-tall Si pillar structures.
Almost 94% absorption of the incident illumination is achieved in the wavelength range of – nm (Figure 2D). This approach has been applied to Graphenes leading to materials  with a perfect combination of properties for their use as active electrode materials in energy-storage devices, namely."Enhanced wavelength selective infrared emission using surface plasmon polariton and thermal energy confined in micro-heater." In Micro Electro Mechanical Systems (MEMS), IEEE 27th International Conference on, pp.