Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Experimental Study of White Light Interferometry in Mach-Zehnder Interferometers Based on Standard Single Mode Fiber

J. L. Cano-Perez
* ORCID logo ,
J. Gutierrez-Gutiérrez
* ,
C. Perezcampos-Mayoral
ORCID logo ,
E. Perez-Campos
,
M. S. Pina-Canseco
,
L. Tepech-Carrillo
ORCID logo ,
M. Vargas-Treviño
ORCID logo ,
E. I. Guerra-Hernandez
,
A. Martinez-Helmes
,
J. M. Estudillo-Ayala
ORCID logo ,
J. M. Sierra-Hernandez
,
R. Rojas-Laguna
Version 1 : Received: 13 March 2024 / Approved: 14 March 2024 / Online: 14 March 2024 (13:00:18 CET)

How to cite: Cano-Perez, J.L.; Gutierrez-Gutiérrez, J.; Perezcampos-Mayoral, C.; Perez-Campos, E.; Pina-Canseco, M.S.; Tepech-Carrillo, L.; Vargas-Treviño, M.; Guerra-Hernandez, E.I.; Martinez-Helmes, A.; Estudillo-Ayala, J.M.; Sierra-Hernandez, J.M.; Rojas-Laguna, R. Experimental Study of White Light Interferometry in Mach-Zehnder Interferometers Based on Standard Single Mode Fiber. Preprints 2024, 2024030858. https://doi.org/10.20944/preprints202403.0858.v1 Cano-Perez, J.L.; Gutierrez-Gutiérrez, J.; Perezcampos-Mayoral, C.; Perez-Campos, E.; Pina-Canseco, M.S.; Tepech-Carrillo, L.; Vargas-Treviño, M.; Guerra-Hernandez, E.I.; Martinez-Helmes, A.; Estudillo-Ayala, J.M.; Sierra-Hernandez, J.M.; Rojas-Laguna, R. Experimental Study of White Light Interferometry in Mach-Zehnder Interferometers Based on Standard Single Mode Fiber. Preprints 2024, 2024030858. https://doi.org/10.20944/preprints202403.0858.v1

Abstract

The technique of optical interferometry has many applications in various fields of knowledge, including astronomy, optical metrology, biology, and chemistry. The visible interference pattern of a conventional single mode fiber (SMF-28) tapered and core-offset structured in-line Mach-Zehnder interferometer has been demonstrated. The white source is generated by an LED, with a wavelength range of 400 nm to 650 nm emission. We analyze the performance of the interference emission with a waist length of 1.8 mm to 6 mm and with a waist diameter of 10 µm to 60 µm for the tapered structure. The achieved visibility is V=0.14 with an FSR of 23 nm. The core-offset structure interferometer is analyzed with different displacements in x and y axis and with a separation length L of 2.5 cm, 4.0 cm and 5.0 cm between two core joints. The output interference emission has a visibility of V= 0.3, V=0.27 and V=0.34 with an FSR of 23 nm, 17 nm and 8 nm, respectively. The sensitivity obtained from the temperature sensor is of 3.53 a.u./°C, with R2 of 0.99769. The proposed MZIs are low cost and can be used for implementation of sensing system in the field as the industry and medical applications.

Keywords

White light interference, bi-tapers and core-offset Mach-Zehnder interferometer.

Subject

Physical Sciences, Optics and Photonics

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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