منابع مشابه
Perfluorinated Plastic Optical Fiber Tapers for Evanescent Wave Sensing
In this work we describe the fabrication and the characterization of perfluorinated plastic-cladded optical fiber tapers. The heat-and-pull procedure has been used to fabricate symmetric tapers. Devices with different taper ratio have been produced and the repeatability of the process has been verified. The very low refractive indexes of the core-cladding perfluorinated polymers (n = 1.35-1.34)...
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A simple low-cost Y-branch plastic optical fiber (POF) coupler which can be assembled easily by the end users has been developed. The acrylic-based Y-Branch POF coupler consists of input POF fiber, a middle high index contrast waveguide taper and output POF fibers. The optical device is based on a 1 × 2 Y-branch coupler design with a middle high index contrast waveguide taper. Nonsequential ray...
متن کاملPlastic optical fiber lasers and amplifiers containing lanthanide complexes.
Organic dye-doped polymers have been widely investigated as gain media in solid-state dye lasers. Dye molecules which have large absorption and induced emission cross sections due to allowed π-π transitions are ideal active dopants for the generation and amplification of intense light pulses. However, continuous wave operation is not feasible with organic dyes because of the triplet losses. On ...
متن کاملPlastic Optical Fiber Displacement Sensor Based on Dual Cycling Bending
In this study, a high sensitivity and easy fabricated plastic optical fiber (POF) displacement sensor is proposed. A POF specimen subjected to dual cyclic bending is used to improve the sensitivity of the POF displacement sensor. The effects of interval between rollers, relative displacement and number of rollers on the sensitivity of the displacement sensor are analyzed both experimentally and...
متن کاملPerformance Analysis of a Noncontact Plastic Fiber Optical Fiber Displacement Sensor with Compensation of Target Reflectivity
Porto, the institutional repository of the Politecnico di Torino, is provided by the University Library and the IT-Services. The aim is to enable open access to all the world. Please share with us how this access benefits you. Your story matters. An inexpensive fiber-based noncontact distance sensor specific for monitoring short-range displacements in micromachining applications is presented. T...
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ژورنال
عنوان ژورنال: Kobunshi
سال: 1984
ISSN: 0454-1138,2185-9825
DOI: 10.1295/kobunshi.33.835