منابع مشابه
Analysis of stacked rotated gratings.
We study the rigorous design and analysis of stacked rotated gratings (SRGs) for novel photonic devices. A concept of sampling frequency is proposed to systematically design SRGs. With the help of a rectangular sampling lattice, we extend the standard 3D rigorous coupled-wave analysis (RCWA) algorithm to the analysis of SRGs. The resultant SRG-RCWA algorithm can be used to exactly analyze SRGs ...
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Approval: Committee Chair ________________________________________ (Date) Department Chair ________________________________________ Graduate Dean ________________________________________
متن کاملStacked subwavelength gratings as circular polarization filters.
We have stacked subwavelength gratings (SWGs) on a single substrate to create a compact, integrated circular polarization filter. The SWGs consist of a wire grid polarizer and a broadband form-birefringent quarter-wave plate (QWP). Rigorous coupled-wave analysis was used to design the QWP for operation over the 3.5-5.0-mum wavelength range. The fabricated silicon broadband QWP exhibited a phase...
متن کاملPolarization independent broadband reflectors based on cross-stacked gratings.
We report here a broadband reflector based on a two cross-stacked grating structure. This type of broadband reflector is polarization-independent, with ~100% reflectance over a designed spectral range of 1.4 to 1.6 μm. The reflection phase differences between TE and TM polarizations remain almost a constant value of 1.2π over the same high reflection spectral range. The reflector performance to...
متن کاملRotated Canonical Correlation Analysis for Multilingual Corpora
This paper aims at proposing the joint use of Canonical Correlation Analysis and Procrustes Rotations (RCA), when we deal with a text and its translation into another language. The basic idea is representing words in the two different natural languages on a common reference space. The main characteristic of this space is to be language independent, although Procrustes Rotation is performed tran...
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ژورنال
عنوان ژورنال: Applied Optics
سال: 2007
ISSN: 0003-6935,1539-4522
DOI: 10.1364/ao.46.001177