Optical Fiber-Tip Sensors Based on In-Situ µ-Printed Polymer Suspended-Microbeams

Overview

Journal Sensors (Basel)

Publisher MDPI

Specialty Biotechnology

Date 2018 Jun 8

PMID 29874800

Citations 7

Authors

Mian Yao

Xia Ouyang

Jushuai Wu

A Ping Zhang

Hwa-Yaw Tam

P K A Wai

Affiliations

Soon will be listed here.

Abstract

Miniature optical fiber-tip sensors based on directly µ-printed polymer suspended-microbeams are presented. With an in-house optical 3D μ-printing technology, SU-8 suspended-microbeams are fabricated in situ to form Fabry⁻Pérot (FP) micro-interferometers on the end face of standard single-mode optical fiber. Optical reflection spectra of the fabricated FP micro-interferometers are measured and fast Fourier transform is applied to analyze the cavity of micro-interferometers. The applications of the optical fiber-tip sensors for refractive index (RI) sensing and pressure sensing, which showed 917.3 nm/RIU to RI change and 4.29 nm/MPa to pressure change, respectively, are demonstrated in the experiments. The sensors and their optical µ-printing method unveil a new strategy to integrate complicated microcomponents on optical fibers toward 'lab-on-fiber' devices and applications.

Citing Articles

3D Printing of Glass Micro-Optics with Subwavelength Features on Optical Fiber Tips.

Lai L, Huang P, Stemme G, Niklaus F, Gylfason K ACS Nano. 2024; 18(16):10788-10797.

PMID: 38551815 PMC: 11044591. DOI: 10.1021/acsnano.3c11030.

Multiphoton Nanosculpting of Optical Resonant and Nonresonant Microsensors on Fiber Tips.

Williams J, Chandrahalim H, Suelzer J, Usechak N ACS Appl Mater Interfaces. 2022; 14(17):19988-19999.

PMID: 35412300 PMC: 9073840. DOI: 10.1021/acsami.2c01033.

In Situ Synthesis of Gold Nanoparticles in Layer-by-Layer Polymeric Coatings for the Fabrication of Optical Fiber Sensors.

Martinez-Hernandez M, Goicoechea J, Rivero P, Arregui F Polymers (Basel). 2022; 14(4).

PMID: 35215690 PMC: 8878567. DOI: 10.3390/polym14040776.

Ultrahigh Sensitivity of a Plasmonic Pressure Sensor with a Compact Size.

Chao C, Chau Y, Chen S, Huang H, Lim C, Kooh M Nanomaterials (Basel). 2021; 11(11).

PMID: 34835910 PMC: 8622075. DOI: 10.3390/nano11113147.

A Novel Micro-Displacement Sensor Based on Double Optical Fiber Probes Made through Photopolymer Materials.

Zhang F, Lin Q, Zhu L, Zhao N, Han F, Zhao L Materials (Basel). 2020; 13(23).

PMID: 33271868 PMC: 7730009. DOI: 10.3390/ma13235475.

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