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Abstrakt
In this paper, a low-coherence Fabry-Perot sensor with a spectrally measured signal processing response to the refractive index of liquids is presented. Optical fiber sensors are potentially capable of continuous measuring hematocrit levels in blood. Low-coherence Fabry-Perot interferometric sensors offer a robust solution, where information about the measurand is encoded in the full spectrum of light reflected from the sensing interferometer. The first step in the research on such sensor is the assessment of its performance under favorable conditions, i.e., using blood samples from healthy volunteers tested in vitro. Such an experiment was conducted using a sensor comprising a superluminescent diode source, an optical spectrum analyzer working as the detection setup and a sensing Fabry-Perot interferometer providing high interference contrast. The response of this sensor was recorded for several samples and compared with the reference laboratory method. The coefficient of determination (R2) for a linear relationship between the results given by both methods was 0.978 and the difference between these results was less than 1%. The presented results suggest that further research into the performance of the sensor is merited.
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
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SENSORS
nr 14,
wydanie 4,
strony 6965 - 6976,
ISSN: 1424-8220 - Język:
- angielski
- Rok wydania:
- 2014
- Opis bibliograficzny:
- Jędrzejewska-Szczerska M.: Response of a New Low-Coherence Fabry-Perot Sensor to Hematocrit Levels in Human Blood// SENSORS-BASEL. -Vol. 14, iss. 4 (2014), s.6965-6976
- Weryfikacja:
- Politechnika Gdańska
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