Compact optical MEMS accelerometers and temperature sensors

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dc.contributor.authorTimotijevic, B.
dc.contributor.authorPetremand, Y.
dc.contributor.authorBayat, D.
dc.contributor.authorLuetzelschwab, M.
dc.contributor.authorAebi, L.
dc.contributor.authorTormen, M.
dc.date.accessioned2021-12-09T13:16:40Z
dc.date.available2021-12-09T13:16:40Z
dc.date.issued2017
dc.description.abstractContinuous and accurate monitoring of acceleration and temperature inside large turbo- and hydro-generators is of crucial importance to prevent extremely expensive system damages and false positives. Development of optical, metal-free sensors for such systems has gained a lot of attention due to the fact that they are resistant to typically very strong electromagnetic fields and that they are non-conductive. We present miniature temperature and accelerometer optical sensors using a common silicon MEMS platform. A linear response with a deviation as small as 1% between set and measured accelerations has been obtained in an acceleration range 0-40g. Preliminary tests for temperature sensors indicate a linear response with sensitivity better than 1 degrees C in a range of 20 degrees C to 150 degrees C.
dc.identifier.citationin Moems and Miniaturized Systems Xvi. vol. 10116 (Issue), W. Piyawattanametha and Y. H. Park, Eds., ed Bellingham: Spie-Int Soc Optical Engineering, 2017.
dc.identifier.doihttps://doi.org/10.1117/12.2250345
dc.identifier.urihttps://hdl.handle.net/20.500.12839/111
dc.subjectoptical MEMS, temperature sensor, accelerometer, remote sensing, harsh, environment, absorption
dc.titleCompact optical MEMS accelerometers and temperature sensors
dc.typeJournal Article
dc.type.csemdivisionsBU-T
dc.type.csemresearchareasMEMS & Packaging
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