Conferences related to Extinction coefficients

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2023 Annual International Conference of the IEEE Engineering in Medicine & Biology Conference (EMBC)

The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted full papers will be peer reviewed. Accepted high quality papers will be presented in oral and poster sessions,will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE.


2020 IEEE 29th International Symposium on Industrial Electronics (ISIE)

ISIE focuses on advancements in knowledge, new methods, and technologies relevant to industrial electronics, along with their applications and future developments.


2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)

The Conference focuses on all aspects of instrumentation and measurement science andtechnology research development and applications. The list of program topics includes but isnot limited to: Measurement Science & Education, Measurement Systems, Measurement DataAcquisition, Measurements of Physical Quantities, and Measurement Applications.


2020 IEEE International Semiconductor Laser Conference (ISLC)

The ISLC is dedicated to the latest developments in semiconductor lasers, amplifiers and LEDs, including: Semiconductor Optical Amplifiers, Silicon compatible lasers, VCSELs, Photonic band-gap and microcavity lasers, Grating controlled lasers, Multi-segment and ring lasers, Quantum cascade and interband, Sub-wavelength scale nanolasers, Mid IR and THz sources, InP, GaAs and Sb materials, Quantum dot lasers, High power and high-brightness lasers, GaN and ZnSe based UV to visible LEDs, Communications lasers, Semiconductor integrated optoelectronics.

  • 2018 IEEE International Semiconductor Laser Conference (ISLC)

    The International Semiconductor Laser Conference has a long tradition as the leadinginternational conference where researchers and engineers from all over the world meet to shareand discuss the latest developments in semiconductor lasers, amplifiers and LEDs. The 25thInternational Semiconductor Laser Conference will be held in Kobe Japan from 12- 15September 2016. The conference will include both oral and poster sessions of contributed andinvited papers, as well as a plenary session comprising reviews on a number of important andtimely topics. A rump session will feature special topics of current interest for discussion in amore relaxed and open atmosphere. In addition, attendees will be able to participate inworkshops on current hot topics during the first day of the conference. Technical results on allaspects of semiconductor lasers, amplifiers, LEDs and integrated devices, from basic physics ofnew materials and structures to new and improved device concepts are covered.

  • 2016 International Semiconductor Laser Conference (ISLC)

    The International Semiconductor Laser Conference has a long tradition as the leading international conference where researchers and engineers from all over the world meet to share and discuss the latest developments in semiconductor lasers, amplifiers and LEDs. The 25th International Semiconductor Laser Conference will be held in Kobe Japan from 12- 15 September 2016. The conference will include both oral and poster sessions of contributed and invited papers, as well as a plenary session comprising reviews on a number of important and timely topics. A rump session will feature special topics of current interest for discussion in a more relaxed and open atmosphere. In addition, attendees will be able to participate in workshops on current hot topics during the first day of the conference. Technical results on all aspects of semiconductor lasers, amplifiers, LEDs and integrated devices, from basic physics of new materials and structures to new and improved device concepts are covered.

  • 2014 International Semiconductor Laser Conference (ISLC)

    The IEEE International Semiconductor Laser Conference (ISLC) has a long tradition as the leading international conference where researchers and engineers from all over the world meet to share and discuss the latest developments in semiconductor lasers, amplifiers and LEDs. The 24th IEEE International Semiconductor Laser Conference will be held at the Melia Palas Atenea Hotel on the seafront in Palma on the beautiful island of Mallorca in the Mediterranean from 7 - 10 September 2014. The conference will include both oral and poster sessions of contributed and invited papers, as well as a plenary session comprising reviews on a number of important and timely topics. A rump session will feature special topics of current interest for discussion in a more relaxed and open atmosphere. In addition, attendees will be able to participate in workshops on current hot topics during the first day of the conference. Technical results on all aspects of semiconductor lasers, amplifiers, LEDs and integ

  • 2012 IEEE 23rd International Semiconductor Laser Conference (ISLC)

    The IEEE International Semiconductor Laser Conference (ISLC) has a long tradition as the leading international conference where researchers and engineers from all over the world meet to share and discuss the most recent developments in semiconductor lasers, amplifiers and LEDs. The 23rd IEEE International Semiconductor Laser Conference will be held at the San Diego Mission Valley Marriott, San Diego, California from 7-10 October 2012.

  • 2010 IEEE 22nd International Semiconductor Laser Conference (ISLC)

    The 22 nd IEEE International Semiconductor Laser Conference will be held at Ana Hotel Kyoto in Kyoto, Japan on 26-30 September, 2010. This biannual meeting has a long tradition of being the primary forum for the dissemination of the most recent scientific and technical achievements in the field of semiconductor lasers and related technologies. The conference will include oral and poster sessions of contributed papers, an invited session comprising reviews in a number of topics of current importance, and a r

  • 2008 IEEE 21st International Semiconductor Laser Conference (ISLC)

  • 2006 IEEE 20th International Semiconductor Laser Conference (ISLC)

  • 2004 IEEE 19th International Semiconductor Laser Conference (ISLC)

  • 2002 IEEE 18th International Semiconductor Laser Conference (ISLC)

  • 2000 IEEE 17th International Semiconductor Laser Conference (ISLC)

  • 1996 IEEE 15th International Semiconductor Laser Conference (ISLC)


2020 IEEE Photovoltaic Specialists Conference (PVSC)

Promote science and engineering of photovoltaic materials, devices, systems and applications


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Periodicals related to Extinction coefficients

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Aerospace and Electronic Systems Magazine, IEEE

The IEEE Aerospace and Electronic Systems Magazine publishes articles concerned with the various aspects of systems for space, air, ocean, or ground environments.


Antennas and Propagation, IEEE Transactions on

Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.


Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


Communications, IEEE Transactions on

Telephone, telegraphy, facsimile, and point-to-point television, by electromagnetic propagation, including radio; wire; aerial, underground, coaxial, and submarine cables; waveguides, communication satellites, and lasers; in marine, aeronautical, space and fixed station services; repeaters, radio relaying, signal storage, and regeneration; telecommunication error detection and correction; multiplexing and carrier techniques; communication switching systems; data communications; and communication theory. In addition to the above, ...


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Most published Xplore authors for Extinction coefficients

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Xplore Articles related to Extinction coefficients

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Determination of rain attenuation from electromagnetic scattering by spherical raindrops: Theory and experiment

Radio Science, 2010

The forward scattering amplitudes for the spherical raindrops are determined for all raindrop sizes at different frequencies by using the Mie scattering theory. The real parts of the extinction cross sections are used to generate power law models at different frequencies. These are integrated over different established raindrop-size distribution models to formulate rain attenuation models. Using the developed rain attenuation ...


Improvement of color rendering ability for multi-chip LED packages by using Y2O3:Eu3+ phosphor

2016 5th International Symposium on Next-Generation Electronics (ISNE), 2016

This study presents a novel solution, application of the red Y<sub>2</sub>O<sub>3</sub>:Eu<sup>3+</sup> dopant phosphor, for enhancing color rendering index to more 86 for multi-chip white LED lamps (MCW-LEDs) having correlated color temperature (CCT) of 7700 K. Besides, the impacts of the Y<sub>2</sub>O<sub>3</sub>:Eu<sup>3+</sup> phosphor on the attenuation of light through phosphor layers of the various packages is also demonstrated based on the ...


Derivation of the energy balance components using dual angle observations of radiative surface temperature

IGARSS 2001. Scanning the Present and Resolving the Future. Proceedings. IEEE 2001 International Geoscience and Remote Sensing Symposium (Cat. No.01CH37217), 2001

In this study, dual angle observations of radiative surface temperature have been used in conjunction. with a two-layer model to derive surface fluxes over a sparsely vegetated surface. Data collected during the Semi-Arid-Land- Surface-Atmosphere program (SALSA) over a semi-arid grassland were used to assess the performance of the approach. The results showed that this approach led to reasonable estimates of ...


The polarized differential extinction coefficient with frequency determined by morphological characteristics of forest vegetation

2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2016

The accurate multi-polarization 3-10 GHz frequency-domain data of some small trees are obtained by indoor wideband polarimetric scattering measurement system. The relationship between differential extinction coefficient and returned power is quantitatively derived, and the fluctuating of differential extinction coefficient changed with frequency is analyzed by combining the morphological characteristics of vegetation. The results show that when frequency is low, the ...


All-optical switches based on Mach-Zehnder configuration with improved extinction ratios

IEEE Photonics Technology Letters, 1997

We study driving conditions to improve the extinction ratios in 2/spl times/2 and 1/spl times/2 all-optical switches based on semiconductor optical amplifiers in Mach-Zehnder configuration. In 2/spl times/2 switches, the optimization of the relative phases of both arms of the interferometer together with the introduction of an optical push-pull lead to enhanced and symmetrical extinctions. In 1/spl times/2 switches, perfect ...


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Educational Resources on Extinction coefficients

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IEEE-USA E-Books

  • Determination of rain attenuation from electromagnetic scattering by spherical raindrops: Theory and experiment

    The forward scattering amplitudes for the spherical raindrops are determined for all raindrop sizes at different frequencies by using the Mie scattering theory. The real parts of the extinction cross sections are used to generate power law models at different frequencies. These are integrated over different established raindrop-size distribution models to formulate rain attenuation models. Using the developed rain attenuation models with 5 year rain rate statistics at R<inf>0.01</inf> determined in previous work, the specific rain attenuation is computed. The experimental results obtained from the horizontally polarized signal level measurements recorded in Durban for different rain attenuation bounds are compared with the theoretical results. Finally, the best theoretical model is used to estimate the seasonal cumulative distribution of rain attenuation for Durban, South Africa.

  • Improvement of color rendering ability for multi-chip LED packages by using Y2O3:Eu3+ phosphor

    This study presents a novel solution, application of the red Y<sub>2</sub>O<sub>3</sub>:Eu<sup>3+</sup> dopant phosphor, for enhancing color rendering index to more 86 for multi-chip white LED lamps (MCW-LEDs) having correlated color temperature (CCT) of 7700 K. Besides, the impacts of the Y<sub>2</sub>O<sub>3</sub>:Eu<sup>3+</sup> phosphor on the attenuation of light through phosphor layers of the various packages is also demonstrated based on the Beer-Lambert law. Simulation results provide important conclusion for selecting and developing the phosphor materials in MCW-LEDs manufacturing.

  • Derivation of the energy balance components using dual angle observations of radiative surface temperature

    In this study, dual angle observations of radiative surface temperature have been used in conjunction. with a two-layer model to derive surface fluxes over a sparsely vegetated surface. Data collected during the Semi-Arid-Land- Surface-Atmosphere program (SALSA) over a semi-arid grassland were used to assess the performance of the approach. The results showed that this approach led to reasonable estimates of the observed fluxes. However, a detailed analysis indicated that the fact that a given model correctly predict the total fluxes does not mean the contribution of soil and vegetation to these fluxes are well partitioned. Further study should be directed toward the improvement of the partitioning of soil and vegetation contribution to surface fluxes through a proper parameterization of extinction coefficient as well as the wind and humidity profiles within the canopy.

  • The polarized differential extinction coefficient with frequency determined by morphological characteristics of forest vegetation

    The accurate multi-polarization 3-10 GHz frequency-domain data of some small trees are obtained by indoor wideband polarimetric scattering measurement system. The relationship between differential extinction coefficient and returned power is quantitatively derived, and the fluctuating of differential extinction coefficient changed with frequency is analyzed by combining the morphological characteristics of vegetation. The results show that when frequency is low, the plants with structural features present oriented distribution. As frequency increases, the plants show random distribution for the echoes mainly come from canopy.

  • All-optical switches based on Mach-Zehnder configuration with improved extinction ratios

    We study driving conditions to improve the extinction ratios in 2/spl times/2 and 1/spl times/2 all-optical switches based on semiconductor optical amplifiers in Mach-Zehnder configuration. In 2/spl times/2 switches, the optimization of the relative phases of both arms of the interferometer together with the introduction of an optical push-pull lead to enhanced and symmetrical extinctions. In 1/spl times/2 switches, perfect extinctions can theoretically be obtained by adapting the splitting ratios of the input and output couplers to the saturation behavior of the amplifiers.

  • PbS quantum dots embedded TiO<inf>2</inf> nanofibers for dye-sensitized solar cells

    We report a new type of dye-sensitized solar cells (DSSCs) fabricated using PbS quantum dots (QDs) embedded TiO2 fibers as the photoanodes. QDs have shown great potential as an efficient light absorbing material with very high extinction coefficient. However, to obtain an efficient photoinduced charge transfer from QDs to TiO2, a stable linker is needed to attach QDs to TiO2. Unlike Ru based or all-organic dyes having a carboxylic group to function as the linker, it is a challenge to establish a strong attachment between QDs and TiO2. In this work, we used electrospinning technique to form TiO2 nanofibers embedded with PbS QDs without the need of a carboxylic group or any other linker. The QDs embedded TiO2 nanofibers were mixed with an organic binder and then deposited onto fluorine-doped tin dioxide (FTO) glass substrates by doctor blading. To harvest both visible and infrared light, the photoanodes were further sensitized with a Ru complex dye (Z-907). DSSC devices were fabricated using platinum as a counter-electrode catalyst for triiodide reduction. The cells achieved overall energy conversion efficiency of 2.8% with Voc = 0.81 V and FF = 0.61 under illumination of 100 mW/cm2 with an AM 1.5 filter.

  • A comparison between excited states detected through VUV photoionization and VUV photon absorption in dielectric liquids

    Some characteristic energies are observed in the first derivative of the photoionization spectrum of tetramethyl silane (TMS), cyclopentane, cyclohexane and 2,2 dimethyl butane. They could correspond to "autoionizing" states situated above the ionization threshold. Here we examine if they can be fitted to possible Rydberg series. These observations are crossed with recent data of some authors having detected shoulders - and possible associated excited transitions - in the VUV absorption spectra of these non-polar liquids. Moreover the incidence of these excited states on molar extinction coefficients values obtained both by direct VUV absorption and by a photoionization way is examined.

  • Applications of coherent anti-Stokes Raman spectroscopy (CARS)

    None

  • Photoresist Exposure Parameter Extraction From Refractive Index Change During Exposure

    None

  • Ultrashort two-section fused vertical coupler switches with high extinction ratios

    We show that both cross and bar states with high extinction ratio larger than 30 dB can be achieved in ultrashort (<100 /spl mu/m) fused vertical directional coupler switches with two sections by modifying the refractive indices of cores and inner cladding layers by an amount less than 1%. Transfer matrix method and the improved coupled mode theory are used to analyze these structures and the results are compared with those of 2D finite difference beam propagation method. Also, design guidelines to achieve high extinction ratios with large tolerances are presented.



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