Research Paper: The Phase Sensitivity Enhancement of the Surface Plasmon Resonance Sensor in the Common-path Polarization Heterodyne Interferometry

Surface plasmon resonance (SPR) is the excitation of cumulative charge oscillations in the metal-dielectric interface. Of the various surface plasmon-based measurement methods, phase-based measurement methods are the most accurate and sensitive. The wave phase can be measured with appropriate accura...

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Autores principales:	Seyed Hashem Aref, Nasrin Fallah
Formato:	article
Lenguaje:	FA
Publicado:	Alzahra University 2021
Materias:	surface plasmon resonance increased phase sensitivity phase measurement common-path polarization heterodyne interferometry (cphi) Physics QC1-999
Acceso en línea:	https://doaj.org/article/cabbba6582124ed3819959731e314dbf
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spelling	oai:doaj.org-article:cabbba6582124ed3819959731e314dbf2021-12-02T07:54:28ZResearch Paper: The Phase Sensitivity Enhancement of the Surface Plasmon Resonance Sensor in the Common-path Polarization Heterodyne Interferometry2783-10432783-105110.22051/ijap.2021.37091.1227https://doaj.org/article/cabbba6582124ed3819959731e314dbf2021-09-01T00:00:00Zhttps://jap.alzahra.ac.ir/article_5914_420a15142a04600036faa43e14c7fe53.pdfhttps://doaj.org/toc/2783-1043https://doaj.org/toc/2783-1051Surface plasmon resonance (SPR) is the excitation of cumulative charge oscillations in the metal-dielectric interface. Of the various surface plasmon-based measurement methods, phase-based measurement methods are the most accurate and sensitive. The wave phase can be measured with appropriate accuracy by various interferometry methods. The common path polarization heterodyne interferometry method compared to the conventional heterodyne method has the advantage of stability against changes in the ambient due to vibration and temperature changes. Increasing sensitivity has always been considered as one of the important challenges in designing and manufacturing various types of SPR-based sensors. In this study, after a theoretical investigation of enhancement of the phase sensitivity due to the addition of a quarter-wave plate in the common path polarization heterodyne interferometer, the SPR phase change in the standard common path polarization heterodyne interferometer arrangement is measured. Comparing the results with the results of the modified setup proves the phase sensitivity enhancement. Experimental results show a sensitivity enhancement of at least 3.5 times.Seyed Hashem ArefNasrin FallahAlzahra Universityarticlesurface plasmon resonanceincreased phase sensitivityphase measurementcommon-path polarization heterodyne interferometry (cphi)PhysicsQC1-999FAفیزیک کاربردی ایران, Vol 11, Iss 3, Pp 36-48 (2021)
institution	DOAJ
collection	DOAJ
language	FA
topic	surface plasmon resonance increased phase sensitivity phase measurement common-path polarization heterodyne interferometry (cphi) Physics QC1-999
spellingShingle	surface plasmon resonance increased phase sensitivity phase measurement common-path polarization heterodyne interferometry (cphi) Physics QC1-999 Seyed Hashem Aref Nasrin Fallah Research Paper: The Phase Sensitivity Enhancement of the Surface Plasmon Resonance Sensor in the Common-path Polarization Heterodyne Interferometry
description	Surface plasmon resonance (SPR) is the excitation of cumulative charge oscillations in the metal-dielectric interface. Of the various surface plasmon-based measurement methods, phase-based measurement methods are the most accurate and sensitive. The wave phase can be measured with appropriate accuracy by various interferometry methods. The common path polarization heterodyne interferometry method compared to the conventional heterodyne method has the advantage of stability against changes in the ambient due to vibration and temperature changes. Increasing sensitivity has always been considered as one of the important challenges in designing and manufacturing various types of SPR-based sensors. In this study, after a theoretical investigation of enhancement of the phase sensitivity due to the addition of a quarter-wave plate in the common path polarization heterodyne interferometer, the SPR phase change in the standard common path polarization heterodyne interferometer arrangement is measured. Comparing the results with the results of the modified setup proves the phase sensitivity enhancement. Experimental results show a sensitivity enhancement of at least 3.5 times.
format	article
author	Seyed Hashem Aref Nasrin Fallah
author_facet	Seyed Hashem Aref Nasrin Fallah
author_sort	Seyed Hashem Aref
title	Research Paper: The Phase Sensitivity Enhancement of the Surface Plasmon Resonance Sensor in the Common-path Polarization Heterodyne Interferometry
title_short	Research Paper: The Phase Sensitivity Enhancement of the Surface Plasmon Resonance Sensor in the Common-path Polarization Heterodyne Interferometry
title_full	Research Paper: The Phase Sensitivity Enhancement of the Surface Plasmon Resonance Sensor in the Common-path Polarization Heterodyne Interferometry
title_fullStr	Research Paper: The Phase Sensitivity Enhancement of the Surface Plasmon Resonance Sensor in the Common-path Polarization Heterodyne Interferometry
title_full_unstemmed	Research Paper: The Phase Sensitivity Enhancement of the Surface Plasmon Resonance Sensor in the Common-path Polarization Heterodyne Interferometry
title_sort	research paper: the phase sensitivity enhancement of the surface plasmon resonance sensor in the common-path polarization heterodyne interferometry
publisher	Alzahra University
publishDate	2021
url	https://doaj.org/article/cabbba6582124ed3819959731e314dbf
work_keys_str_mv	AT seyedhashemaref researchpaperthephasesensitivityenhancementofthesurfaceplasmonresonancesensorinthecommonpathpolarizationheterodyneinterferometry AT nasrinfallah researchpaperthephasesensitivityenhancementofthesurfaceplasmonresonancesensorinthecommonpathpolarizationheterodyneinterferometry
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Research Paper: The Phase Sensitivity Enhancement of the Surface Plasmon Resonance Sensor in the Common-path Polarization Heterodyne Interferometry

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