Self-correlation fiber specklegram sensor using volume characteristics of speckle patterns

Jorge A. Gómez; Ángel Salazar

doi:10.1016/j.optlaseng.2012.01.002

Self-correlation fiber specklegram sensor using volume characteristics of speckle patterns

Jorge A. Gómez, Ángel Salazar

Research output: Contribution to journal › Article in an indexed scientific journal › peer-review

13 Scopus citations

Abstract

Tuning of the dynamic range of a micro-displacement fiber specklegram sensor based on two-wave mixing on a photorefractive material Bi ₁₂SiO ₂₀ (BSO) and self-correlation operations of speckle patterns is experimentally demonstrated. The high modal interference present in a standard plastic optical fiber (POF) allows generating a Gaussian pattern of subjective speckle, which is recorded in the volume crystal. The volume characteristics of the fiber speckle are changed using a pupil aperture adjacent to the imaging lens of the speckle. A notorious effect of the three dimensional structure of the speckle on the dynamic range of the metrological system is observed, such that, the performance of the sensor can be improved by a simple mechanical action on the pupil aperture. The behavior of the self-correlation loss of the sensor can be adequately described by a squared normalized Bessel function.

Original language	English
Pages (from-to)	812-815
Number of pages	4
Journal	Optics and Lasers in Engineering
Volume	50
Issue number	5
DOIs	https://doi.org/10.1016/j.optlaseng.2012.01.002
State	Published - May 2012

Bibliographical note

Funding Information:
J.A. Gómez acknowledges the financial support of the Politécnico Colombiano Jaime Isaza Cadavid for his Ph.D. studies and for the resources for the Research Project 2061090125 . A. Salazar acknowledges the financial support of the Universidad Pontificia Bolivariana, Medellín-Colombia, and its Centro de Investigación para el Desarrollo y la Innovación, CIDI , through the Research Project 635A-02/10–27 .

Keywords

Fiber speckle
Photorefractive
Self-correlation
Sensing

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10.1016/j.optlaseng.2012.01.002

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title = "Self-correlation fiber specklegram sensor using volume characteristics of speckle patterns",

abstract = "Tuning of the dynamic range of a micro-displacement fiber specklegram sensor based on two-wave mixing on a photorefractive material Bi 12SiO 20 (BSO) and self-correlation operations of speckle patterns is experimentally demonstrated. The high modal interference present in a standard plastic optical fiber (POF) allows generating a Gaussian pattern of subjective speckle, which is recorded in the volume crystal. The volume characteristics of the fiber speckle are changed using a pupil aperture adjacent to the imaging lens of the speckle. A notorious effect of the three dimensional structure of the speckle on the dynamic range of the metrological system is observed, such that, the performance of the sensor can be improved by a simple mechanical action on the pupil aperture. The behavior of the self-correlation loss of the sensor can be adequately described by a squared normalized Bessel function.",

keywords = "Fiber speckle, Photorefractive, Self-correlation, Sensing",

author = "G{\'o}mez, {Jorge A.} and {\'A}ngel Salazar",

note = "Funding Information: J.A. G{\'o}mez acknowledges the financial support of the Polit{\'e}cnico Colombiano Jaime Isaza Cadavid for his Ph.D. studies and for the resources for the Research Project 2061090125 . A. Salazar acknowledges the financial support of the Universidad Pontificia Bolivariana, Medell{\'i}n-Colombia, and its Centro de Investigaci{\'o}n para el Desarrollo y la Innovaci{\'o}n, CIDI , through the Research Project 635A-02/10–27 .",

year = "2012",

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doi = "10.1016/j.optlaseng.2012.01.002",

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AU - Gómez, Jorge A.

AU - Salazar, Ángel

N1 - Funding Information: J.A. Gómez acknowledges the financial support of the Politécnico Colombiano Jaime Isaza Cadavid for his Ph.D. studies and for the resources for the Research Project 2061090125 . A. Salazar acknowledges the financial support of the Universidad Pontificia Bolivariana, Medellín-Colombia, and its Centro de Investigación para el Desarrollo y la Innovación, CIDI , through the Research Project 635A-02/10–27 .

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Y1 - 2012/5

N2 - Tuning of the dynamic range of a micro-displacement fiber specklegram sensor based on two-wave mixing on a photorefractive material Bi 12SiO 20 (BSO) and self-correlation operations of speckle patterns is experimentally demonstrated. The high modal interference present in a standard plastic optical fiber (POF) allows generating a Gaussian pattern of subjective speckle, which is recorded in the volume crystal. The volume characteristics of the fiber speckle are changed using a pupil aperture adjacent to the imaging lens of the speckle. A notorious effect of the three dimensional structure of the speckle on the dynamic range of the metrological system is observed, such that, the performance of the sensor can be improved by a simple mechanical action on the pupil aperture. The behavior of the self-correlation loss of the sensor can be adequately described by a squared normalized Bessel function.

AB - Tuning of the dynamic range of a micro-displacement fiber specklegram sensor based on two-wave mixing on a photorefractive material Bi 12SiO 20 (BSO) and self-correlation operations of speckle patterns is experimentally demonstrated. The high modal interference present in a standard plastic optical fiber (POF) allows generating a Gaussian pattern of subjective speckle, which is recorded in the volume crystal. The volume characteristics of the fiber speckle are changed using a pupil aperture adjacent to the imaging lens of the speckle. A notorious effect of the three dimensional structure of the speckle on the dynamic range of the metrological system is observed, such that, the performance of the sensor can be improved by a simple mechanical action on the pupil aperture. The behavior of the self-correlation loss of the sensor can be adequately described by a squared normalized Bessel function.

KW - Fiber speckle

KW - Photorefractive

KW - Self-correlation

KW - Sensing

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DO - 10.1016/j.optlaseng.2012.01.002

M3 - Artículo en revista científica indexada

AN - SCOPUS:84858796616

SN - 0143-8166

VL - 50

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JO - Optics and Lasers in Engineering

JF - Optics and Lasers in Engineering

IS - 5

ER -

Self-correlation fiber specklegram sensor using volume characteristics of speckle patterns

Abstract

Bibliographical note

Keywords

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