University of Twente Student Theses
Integrated photonic refractive index sensors
Wevers, Lennart (2015) Integrated photonic refractive index sensors.
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| Abstract: | In this thesis we compare the difference between the microring resonator (MRR) and the Mach-Zehnder interferometer (MZI). For a fixed wavelength the transmission of both these sensors dependents mainly on the effective refractive index. The comparison between these sensors is done to determine which has the lowest measurable change in refractive index (sensitivity). With the knowledge from these sensors two more advanced applications are discussed, which includes a MRR used to measure absorption and a multipath interferometer refractive index sensor that allows for multiplexing refractive index sensors. One advantage of all these sensors is that their data can be processed with a single algorithm, the Least Square Error fit (LSE), which is in this case a modified Fourier transform which reduces sys- tematical error by using a fit function. |
| Item Type: | Essay (Master) |
| Faculty: | TNW: Science and Technology |
| Subject: | 50 technical science in general |
| Programme: | Applied Physics MSc (60436) |
| Link to this item: | https://purl.utwente.nl/essays/67826 |
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