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HomeKey Engineering MaterialsKey Engineering Materials Vol. 947Microfiber Optics Liquid Refractometer: The Effect...

Microfiber Optics Liquid Refractometer: The Effect of Taper Waist

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Abstract:

A simple tapered multimode fiber (MMF) optic sensor is proposed and demonstrated as a refractometer for liquid samples application. The working mechanism of such device is based on the intensity modulated transmission of the tapered fiber when it is immersed in solutions with increasing refractive index. The tapered fiber is fabricated using heat-pulling method to achieve a waist diameter of 40, 50 and 75μm over the length of 18 mm. The performance of the tapered fiber with different waist has been evaluated on samples of ethylene glycol solution and glycerol. The obtained results show good correlation with the data provided by a commercial refractometer. The main advantages of this sensor are its enablement of miniaturization and simplification, ease to fabricate and handle while providing high accuracy measurement.

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2nd International Conference on Semiconductor Materials and Technology (ICoSeMT 2021)

Engineering Materials: Research and Application Optimization

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Periodical:

Key Engineering Materials (Volume 947)

Pages:

27-32

DOI:

https://doi.org/10.4028/p-446oqa

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Online since:

May 2023

Authors:

Mohamad Aizat Abu Bakar, Alex Teh Boon Li, Ganesan Krishnan, Muhammad Safwan Abdul Aziz, Sabah M. Mohammad, Ahmad Fairuz Omar, Mundzir Abdullah*

Keywords:

Fiber Optics, Refractometer, Sensor, Tapered Fiber

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© 2023 Trans Tech Publications Ltd. All Rights Reserved

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