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30 March 2023 Integrated spectral interrogator for point-of-care biosensors
Anne van Klinken, Ruud Jansen, Arthur Hendriks, Chenhui Li, Mathias Dolci, Petar Sevo, Luca Picelli, Mildred S. Cano-Velázquez, Peter Zijlstra, Andrea Fiore
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Proceedings Volume PC12387, Optical Diagnostics and Sensing XXIII: Toward Point-of-Care Diagnostics; PC123870B (2023) https://doi.org/10.1117/12.2649821
Event: SPIE BiOS, 2023, San Francisco, California, United States
Abstract
We demonstrate a compact interrogation method for resonance-based biosensors, based on an integrated photonic chip with an array of resonant-cavity enhanced photodetectors. Due to the high signal-to-noise ratio, wavelength shifts in the 10 pm range can be measured, orders of magnitude smaller than the sensor and interrogator linewidths. This approach allows the read-out of resonance-based optical biosensors with simple integrated components, potentially enabling compact and low-cost sensing systems for point-of-care diagnostics.
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Anne van Klinken, Ruud Jansen, Arthur Hendriks, Chenhui Li, Mathias Dolci, Petar Sevo, Luca Picelli, Mildred S. Cano-Velázquez, Peter Zijlstra, and Andrea Fiore "Integrated spectral interrogator for point-of-care biosensors", Proc. SPIE PC12387, Optical Diagnostics and Sensing XXIII: Toward Point-of-Care Diagnostics, PC123870B (30 March 2023); https://doi.org/10.1117/12.2649821
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KEYWORDS
Biosensors
Point-of-care devices
Sensors
Biological research
Biosensing
Receptors
Reflection
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