OT7.37 - Optical Sensing with Picometer-level Precision using an Integrated Multispectral Chip
- Event
- EUROSENSORS XXXVI
2024-09-01 - 2024-09-04
Debrecen (Hungary) - Band
- Lectures
- Chapter
- OT7 - Photonics and Optical Microsystems
- Author(s)
- A. van Klinken, M. S. Cano-Velázquez, S. Buntinx, A. L. Hendriks, C. Li, B. J. Heijnen, M. Dolci, L. Picelli, P. J. van Veldhoven, E. Verhagen, P. Zijlstra - , , A. Fiore - Eindhoven University of Technology, Eindhoven (Netherlands)
- Pages
- 207 - 208
- DOI
- 10.5162/EUROSENSORSXXXVI/OT7.37
- ISBN
- 978-3-910600-03-4
- Price
- free
Abstract
Optical sensors enable remote measurement at high-precision, but the need for expensive readout equipment, such as a spectrometer, hampers their practical application. To overcome this limitation, we propose multispectral readout as an alternative approach for sensor readout, using a small number of photodetectors in an integrated chip. We demonstrate this concept using a multispectral chip with four photodetectors, reaching a wavelength imprecision of 5 pm for refractive index sensing and biosensing.