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http://dx.doi.org/10.6117/kmeps.2018.25.3.037

Fabrication of Fluorescent Oxygen Sensor Probe Module Based on Planner Lightwave Circuits using UV Imprint Lithography  

Ahn, Ki Do (Korea Electronics Technology Institute (KETI))
Oh, Seung hun (Korea Electronics Technology Institute (KETI))
Publication Information
Journal of the Microelectronics and Packaging Society / v.25, no.3, 2018 , pp. 37-41 More about this Journal
Abstract
This paper presents the integrated fluorescent oxygen sensor probe module based on planner lightwave circuits using UV imprint lithography. The oxygen sensor system is consisted of the optical source part, optical detector part and optical sensing probe part to be composed of the planner lightwave circuit and oxygen sensitive thin film layer. Firstly, we optimally designed the planner lightwave circuit with asymmetric $1{\times}2$ beam splitter using beam propagation method. Then, we fabricated the planner lightwave circuits using UV imprint lithography process. This planner lightwave circuits transmitted the optical power with 76% efficiency and the fluorescence signal with 70% efficiency. The oxygen sensitive thin film layer is coated on the end face of planner lightwave circuit. The oxygen sensor system using this sensor probe module with planner lightwave circuit could measure the concentration with 0.3% resolution from 0% to 20% gas range. This optical oxygen sensor probe module make it possible to compact, simple and cheap measurement system.
Keywords
Oxygen sensor probe module; UV imprint lithography; Fluorescence signal; Planner lightwave circuits;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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