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Noncontact Optical Fiber Sensor for Measuring the Refractive Index of Liquids
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نویسنده
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selvas-aguilar r. ,castillo-guzman a. ,cortez-gonzalez l. ,toral-acosta d. ,martinez-rios a. ,anzueto-sanchez g. ,duran-ramirez v.m. ,arroyo-rivera s.
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منبع
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journal of sensors - 2016 - دوره : 2016 - شماره : 0
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چکیده
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A noncontact optical fiber sensor for measuring the refractive index of transparent liquids is proposed. it operates by calculating the path of a focused laser beam at 635 nm that travels across the boundaries of a liquid sample. the optical power fresnel reflections are detected and,subsequently,the refractive index is determined as the ratio between the traveled beam paths when the liquid is deposited versus a reference without the liquid sample. additionally,a mathematical analysis of the geometrical case is included. the theoretical data from our sensor are in good agreement with the experimental results. the resolution achieved by the sensor is better than 10-3 riu. © 2016 r. selvas-aguilar et al.
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آدرس
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facultad de ciencias físico matemáticas,universidad autónoma de nuevo leon,avenida universidad s/n,cd. universitaria,san nicolás de los garza,nl, Mexico, facultad de ciencias físico matemáticas,universidad autónoma de nuevo leon,avenida universidad s/n,cd. universitaria,san nicolás de los garza,nl, Mexico, facultad de ciencias físico matemáticas,universidad autónoma de nuevo leon,avenida universidad s/n,cd. universitaria,san nicolás de los garza,nl, Mexico, facultad de ciencias físico matemáticas,universidad autónoma de nuevo leon,avenida universidad s/n,cd. universitaria,san nicolás de los garza,nl, Mexico, centro de investigaciones en optica,a.c.,loma del bosque 115,leon,gto, Mexico, centro de investigacion en ingenieria y ciencias aplicadas,universidad autónoma del estado de morelos,avenida universidad no. 1001,colonia chamilpa,cuernavaca,mor, Mexico, centro universitario de los lagos,universidad autónoma de guadalajara,enrique diaz de leon 1144,lagos de moreno,jal, Mexico, facultad de ciencias físico matemáticas,universidad autónoma de nuevo leon,avenida universidad s/n,cd. universitaria,san nicolás de los garza,nl, Mexico
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Authors
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