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XY1 Optoelectronic sensing technology for applications in gas ...

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phase control will be <strong>in</strong>vestigated <strong>in</strong> the project. Investigation of optimal<br />

configurations of photonic beam <strong>for</strong>m<strong>in</strong>g network will also be <strong>in</strong>volved with the<br />

consideration of new optical devices and subsystems.<br />

Industry-standard simulation software maybe provided dur<strong>in</strong>g the project.<br />

Students required: 2<br />

Assumed knowledge: ELEC2302 Signals and Systems, ELEC3405<br />

Communication Electronics and Photonics or ELEC5511 Optical Communication<br />

Systems<br />

XY 3 (Eng<strong>in</strong>eer<strong>in</strong>g Project ELEC 5220/5221, Honours Thesis ELEC 4712/4713)<br />

Fiber optic <strong>sens<strong>in</strong>g</strong> <strong>technology</strong> <strong>for</strong> monitor<strong>in</strong>g the civil eng<strong>in</strong>eer<strong>in</strong>g structures<br />

To ensure the safety of build<strong>in</strong>gs, bridges, railways and to make their ma<strong>in</strong>tenance<br />

more effective and efficient, there is a grow<strong>in</strong>g <strong>in</strong>terest of us<strong>in</strong>g new technologies<br />

<strong>for</strong> structure health monitor<strong>in</strong>g. Fiber optic <strong>sens<strong>in</strong>g</strong> <strong>technology</strong> has superior<br />

advantages over traditional techniques, which opens up new <strong>applications</strong> not<br />

previously possible. Fiber optic sensors can be used <strong>for</strong> harsh environment as they<br />

are immune to electromagnetic <strong>in</strong>terference. They also have the remote <strong>sens<strong>in</strong>g</strong><br />

ability as optical light can transmit <strong>in</strong><strong>for</strong>mation several kilometres from the po<strong>in</strong>t<br />

of <strong>sens<strong>in</strong>g</strong>. Additionally, us<strong>in</strong>g various spectral and <strong>in</strong>terferometric techniques, fibe<br />

sensors can achieve very high sensitivities.<br />

In this project we will apply fiber optic sensors <strong>for</strong> accurate and precise detection<br />

of crack damage <strong>in</strong> civil structures. Various approaches used fiber optic sensors<br />

will be studied and evaluated <strong>in</strong> the project. The project <strong>in</strong>volves several key<br />

aspects <strong>in</strong>clud<strong>in</strong>g data acquisition, signal process<strong>in</strong>g, and measurement. Simulation<br />

software and experimental facilities will be provided dur<strong>in</strong>g the project.<br />

It is a jo<strong>in</strong>t project between School of Aerospace, Mechanical and Mechatronic<br />

Eng<strong>in</strong>eer<strong>in</strong>g (Prof L<strong>in</strong> Ye), and School of Electrical and In<strong>for</strong>mation Eng<strong>in</strong>eer<strong>in</strong>g<br />

(Dr Xiaoke Yi).<br />

Students required: 2<br />

Assumed knowledge: ELEC2302 Signals and Systems, or ELEC3404 Electronic<br />

circuit design or ELEC3405 Communication Electronics and Photonics.

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