Master thesis/Internship: An on-chip photonic system for CO2 sensing

KTH Micro and Nanosystems

KTH Micro and Nanosystems, Stockholm

Teknik

Background 
Carbon dioxide (CO2) is one of the most used gases in industry and commerce. Food production, healthcare, oil and metal industry, and water treatment are some fields of application. The widespread use of CO2 means that many people handle large amounts of pressurized CO2 in their daily work. A leakage of CO2 poses an immediate risk for health, since the gas inhibits the uptake of oxygen, causing loss of consciousness, followed by death by suffocation. To ensure worker safety, a personal mobile CO2 sensor is needed. 
Additionally, real-time monitoring of CO2 in the breath of people under anesthesia or in intensive care can give important information about some of their organs? vital parameters. 
However, current low cost energy efficient gas sensors struggle to reliably measure CO2, and the only reliable method is based on measuring the optical absorption of the gas. At KTH Micro and Nanosystems, we are developing an energy efficient, low-cost, miniaturized photonic CO2 sensor that could be incorporated into smart watches and medical equipment for continuous monitoring. 

The project 
The goal of the thesis project is to advance the development of the photonic CO2 sensor. In particular, you will: 
- Design integrated photonic components for the sensor 
- Participate in the fabrication of the sensor 
- Build an optical setup and a system to deliver controlled gas mixtures 
- Characterize the sensor 

The project involves practical work in the Micro and Nanosystem laboratory (main campus) and possibly in other KTH laboratories located in AlbaNova and Kista. You will take part in microfabrication activities in cleanroom labs and you will handle optical and electrical instruments, such as lasers, photodetectors, cameras, oscilloscopes, multimeters, and amplifiers. 

Previous experience in research activity and with optical measurements is appreciated, but motivation, creativity, and ability to work independently are the qualities we value the most. 

Please note that we cannot offer financial compensation. However, in case your work brings a relevant contribution to a publication, you will be offered co-authorship. 

How to apply: 
Send an e-mail to floria@kth.se including your CV, course results transcript, and a report written (in English) by you during your studies.


Sista ansökningsdag
2017-05-31
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