Timing skew compensation methods for CMOS SPAD line sensors used for Raman spectroscopy
Talala, Tuomo; Nissinen, Ilkka (2020-01-13)
Talala, Tuomo
Nissinen, Ilkka
Institute of Electrical and Electronics Engineers
13.01.2020
T. Talala and I. Nissinen, "Timing Skew Compensation Methods for CMOS SPAD Line Sensors Used for Raman Spectroscopy," 2019 IEEE SENSORS, Montreal, QC, Canada, 2019, pp. 1-4. doi: 10.1109/SENSORS43011.2019.8956897
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© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi-fe202001283692
https://urn.fi/URN:NBN:fi-fe202001283692
Tiivistelmä
Abstract
Two methods were developed to compensate for the timing skew of CMOS SPAD line sensors used for time-resolving Raman spectroscopy. Both methods were tested using a time-resolving Raman spectrometer built around a 256-channel CMOS SPAD line sensor. As an example, Raman spectrum of highly fluorescent sesame seed oil was measured. Most of the distortion in the measured spectrum was caused by the timing skew and about 75 % of it could be removed by using either of the methods presented.
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