Spectral detection of graphene and graphene oxide with SU-8 based asymmetry tripled-Arm Mach Zehnder

Amiri, Iraj Sadegh and Ariannejad, Mohammad Mahdi and Abdullah, Hewa Yaseen and Yupapin, Preecha Promphan (2018) Spectral detection of graphene and graphene oxide with SU-8 based asymmetry tripled-Arm Mach Zehnder. Optik, 154. pp. 93-99. ISSN 0030-4026

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Official URL: https://doi.org/10.1016/j.ijleo.2017.10.028

Abstract

This paper reports the experimental application of the fabricated SU-8 based triple arm Mach-Zehnder interferometer (MZI) in the detection of graphene and graphene oxide. A standard MZI has two arms in its structure. In our design, we combine two MZIs with different dimensions together in a way that a short arm MZI replaces one longer arm of the larger MZI. The parallel connections of the two MZIs with a common arm would enhance the overall sensitivity of the sensor. The measurands graphene and graphene oxide with almost similar refractivity has been applied to sensing arms of the MZI in separate steps. The equidistance picometric spectral shifts corresponding to each measurands over the operating wavelength of 1550 nm are observed and is suitable for detection of graphene and graphene oxide.

Item Type: Article
Uncontrolled Keywords: SU-8; Graphene; Graphene oxide; Mach-Zehnder Interferometer (MZI)
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 20 Sep 2019 07:03
Last Modified: 20 Sep 2019 07:03
URI: http://eprints.um.edu.my/id/eprint/22484

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