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Mode-field diameter and spot size

Mode Field Diameter and the Coupling Loss between Inner and Outer Segment of Photoreceptors

Mode Field Diameter and the Coupling Loss between Inner and Outer Segment of Photoreceptors

... a spot size converter. Spot size converters, which can reduce coupling losses induced by MFD mismatch between two waveguides, have been widely used in sin- gle-mode fibers, laser ...

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Improved design for SOI based evanescently coupled multilayer spot-size converter

Improved design for SOI based evanescently coupled multilayer spot-size converter

... mode­field diameter tapers (Picard et ...output field will now resemble the first array mode more closely, since the higher order modes of the coupled structure can be neglected in the propagation of ...

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Influence of field size on pupil diameter under photopic and mesopic light levels

Influence of field size on pupil diameter under photopic and mesopic light levels

... to be about 10% 8 . Thus, these considerations account for only small effects on pupil size at large fields. It is possible that Ferree, Rand and Harris’ work 9 suffered from reduction in screen luminance as a ...

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Finite Element Analysis of Fatigue Life of Spot Welded Joint and the Influence of Sheet Thickness and Spot Diameter

Finite Element Analysis of Fatigue Life of Spot Welded Joint and the Influence of Sheet Thickness and Spot Diameter

... customer‟s environment, are subjected to random amplitude service loading, during its operating life. According to Single there are three major fatigue life methods used in design and analysis. These three methods are ...

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Variable spot size, image quality and productivity

Variable spot size, image quality and productivity

... binary mode can be used to create all drops within a single image with one drop size, but it allows the drop size to be changed for different print jobs based on desired image quality or substrate ...

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Classification of left ventricular size: diameter or volume with contrast echocardiography?

Classification of left ventricular size: diameter or volume with contrast echocardiography?

... LV size and systolic function were obtained at echocardiography by M-mode from the parasternal long-axis ...LV diameter may be more reliably measured from standard 2D ...

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Multi-Poly-Silicon-Layer-Based Spot-Size Converter for Efficient Coupling Between Silicon Waveguide and Standard Single-Mode Fiber

Multi-Poly-Silicon-Layer-Based Spot-Size Converter for Efficient Coupling Between Silicon Waveguide and Standard Single-Mode Fiber

... modal field profiles of the supermodes by using the LSBR ...modal field profiles of the ...The field profile at the end of the SSC section ðz ¼ L c Þ is shown as an inset in ...the field ...

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Effect of weld nugget size on failure mode and mechanical properties of microscale resistance spot welds on Ti–1Al–1Mn ultrathin foils

Effect of weld nugget size on failure mode and mechanical properties of microscale resistance spot welds on Ti–1Al–1Mn ultrathin foils

... resistance spot welds and to determine how the failure mode affects the microstructure, microhardness profile, and mechanical ...failure mode and pullout failure ...ure mode have much better ...

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Electron beam writing of photonic crystal patterns using a large beam spot diameter

Electron beam writing of photonic crystal patterns using a large beam spot diameter

... The conventional approach to direct electron-beam writing of PhC patterns is firstly to define a single hole at the design stage. A regular polygon is normally used as an approximation to a circle. A two-dimensional ...

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Assessment of Nugget Size of Spot Weld Using Neutron Radiography

Assessment of Nugget Size of Spot Weld Using Neutron Radiography

... diameter measurement using neutron radiography and destructive shear-tensile test is 8.1 mm and 8.3 mm respectively. It indicates that the nugget diameter measurement using the neutron radiography has an ...

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Field metabolic rate and body size

Field metabolic rate and body size

... body size is the major determinant of daily energy and food requirements, accounting for about 95% of the variation present in currently available ...foraging mode, but much of it remains ...

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CALIFA : a diameter selected sample for an integral field spectroscopy galaxy survey

CALIFA : a diameter selected sample for an integral field spectroscopy galaxy survey

... Spitzer 280 3.6 µm, 4.5 µm, 5.8 µm, 8 µm UKIDSS 267 J, H, K, Y considered only galaxies with well-measured SDSS redshifts be- tween z = 0.003 and z = 0.1; there are some 260 000 galax- ies matching this selection. For ...

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Synthesis of mesoporous silica particles with control of both pore diameter and particle size

Synthesis of mesoporous silica particles with control of both pore diameter and particle size

... the field of biocatalysis or drug delivery, these materials are interesting due to they could be used to encapsulate proteins inside their pore ...pore size. If the pore diameter is large, the ...

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Design and optimization of compact spot-size converters for silicon photonic devices

Design and optimization of compact spot-size converters for silicon photonic devices

... modal field profiles at each segment of the multi-layer based SSC, which is one of the most accurate and efficient ...isolated mode and supermode profiles for both quasi-TE and quasi-TM polarized modes, ...

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Measurement of the matched spot size in a capillary discharge waveguide with a collimated laser

Measurement of the matched spot size in a capillary discharge waveguide with a collimated laser

... the spot size oscillation directly, it will introduce errors in the spot size measurement when fitting the intensity profile of the laser modes to a Gaussian ...laser mode at the exit ...

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Facet Reflectivity of a Spot-Size-Converter Integrated Semiconductor Optical Amplifier

Facet Reflectivity of a Spot-Size-Converter Integrated Semiconductor Optical Amplifier

... IV. C ONCLUSION The effective facet reflectivity of a SOA was intensively studied both theoretically and experimentally. The facet struc- ture consisted of a SSC region, window region, AR coated film, and air region. In ...

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The Determination of Laser Spot Size of an Optical Tweezers by Stuck Bead Method

The Determination of Laser Spot Size of an Optical Tweezers by Stuck Bead Method

... This method used a microbead stuck at glass slide to scan across the laser beam spot. The used bead was 3 m in diameter of polystyrene type (Polysciences, Inc). A drop of bead solution was diluted with 2 ml ...

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Substrate diameter and compliance affect the gripping strategies and locomotor mode of climbing boa constrictors

Substrate diameter and compliance affect the gripping strategies and locomotor mode of climbing boa constrictors

... the size of the gripping region, thereby providing additional strategies that snakes could use to increase grip force, including deforming the substrate and helical ...

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The Influence of Core Diameter on Endlessly Single Mode Properties for Index Guiding Photonic Crystal Fiber

The Influence of Core Diameter on Endlessly Single Mode Properties for Index Guiding Photonic Crystal Fiber

... electric field derived by solving Maxwell’s ...the mode field diameter and core-cladding index difference, where the integrals extend over the entire transverse ...

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Spot size dependence of laser accelerated protons in thin multi-ion foils

Spot size dependence of laser accelerated protons in thin multi-ion foils

... grid size is  L / 100 in x dimension and  L / 50 in y dimension, where  L  800 nm is the laser ...with spot size, defined as the diameter d  2w 0 at e -2 of the peak intensity at x  0 , ...

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