نتایج جستجو برای: optical modeling

تعداد نتایج: 649248  

2004
Jaione Tirapu Azpiroz Tatsuo Itoh Stanley Osher Yahya Rahmat-Samii Eli Yablonovitch

of the Dissertation Analysis and Modeling of Photomask Near-Fields in Sub-wavelength Deep Ultraviolet Lithography with Optical Proximity Corrections

Journal: :Journal of biomedical optics 2013
Ebraheem Sultan Laleh Najafizadeh Amir H Gandjbakhche Kambiz Pourrezaei Afshin Daryoush

Modeling behavior of broadband (30 to 1000 MHz) frequency modulated near-infrared (NIR) photons through a phantom is the basis for accurate extraction of optical absorption and scattering parameters of biological turbid media. Photon dynamics in a phantom are predicted using both analytical and numerical simulation and are related to the measured insertion loss (IL) and insertion phase (IP) for...

2000
Y. Liu

Department of Electrical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands Abstract  It is widely recognized that all-optical packet switched telecommunication nodes require a form of all-optical buffering and synchronization to avoid congestion in the switching matrix . We present a novel all-optical switching concept suitable for these purposes...

Journal: :Remote Sensing 2011
Fabio Remondino

The importance of landscape and heritage recording and documentation with optical remote sensing sensors is well recognized at international level. The continuous development of new sensors, data capture methodologies and multi-resolution 3D representations, contributes significantly to the digital 3D documentation, mapping, conservation and representation of landscapes and heritages and to the...

2005
Shamaraz Firdous Masroor Ikram

We present the experimental results for scattering intensity which arises from illumination of turbid medium with laser light for characterizing the different types of particles. The imaging of tissue like phantom provides the possibility of modeling the laser tissue interaction parameters for the diagnostic of malignant disease and determining the optical properties of a material. Analytical m...

Journal: :Optics express 2015
B Paroli E Chiadroni M Ferrario M A C Potenza

By exploiting analogical optical modeling of the radiation emitted by ultrarelativistic electrons undergoing betatron oscillations, we demonstrate peculiar properties of the spatial coherence through an interferometric method reminiscent of the classical Young's double slit experiment. The expected effects due to the curved trajectory and the broadband emission are accurately reproduced. We sho...

2004
Roger D. Chamberlain Jason E. Fritts Praveen Krishnamurthy Hui Zhang

This paper explores the federated modeling of an optical data path that interconnects processors and memory in a multicomputer system. By federated modeling, we mean the use of two pre-existing simulation models of distinct subsystems to form a resulting overall model of the entire system. In this experimental federation, we investigate mechanisms that facilitate the distinct models working tog...

Journal: :Applied optics 2007
Juha Heiskala Tuomas Neuvonen P Ellen Grant Ilkka Nissilä

We study the effect of tissue anisotropy in optical tomography of neonates. A Monte Carlo method capable of modeling photon migration in an arbitrary 3D tissue model with spatially varying optical properties and tissue anisotropy is used for simulating measurements of neonates. Anatomical and diffusion tensor magnetic resonance imaging of neonates are used for creating the anatomical models. We...

Journal: :Optics letters 2010
M Decker R Zhao C M Soukoulis S Linden M Wegener

Coupled split-ring-resonator metamaterials have previously been shown to exhibit large coupling effects, which are a prerequisite for obtaining large effective optical activity. By a suitable lateral arrangement of these building blocks, we completely eliminate linear birefringence and obtain pure optical activity and connected circular optical dichroism. Experiments around a 100 THz frequency ...

2014
B. U. Rindhe Jyothi Digge S. K. Narayankhedkar Arthur James Lowery Liang Bangyuan Du Yannis Benlachtar Dhara Shah

In this paper, an optical network model is presented where ISI is reduced considerably. The input to the network is optical orthogonal frequency division multiplexed (OOFDM) signal. Optimization of all optical components in the network is done to reconfigure the bandwidth, to minimize the bit error rate (BER). While modeling, the advantages and disadvantages of OFDM system are considered to ens...

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