Non-contact optical sensor for detection of glucose concentration using a magneto-optic effect

Nisan Ozana; Yevgeny Beiderman; Arun Anand; Baharam Javidi; Sagi Polani; Ariel Schwarz; Amir Shemer; Javier García; Zeev Zalevsky

doi:10.1117/12.2211615

22 April 2016 Non-contact optical sensor for detection of glucose concentration using a magneto-optic effect

Nisan Ozana, Yevgeny Beiderman, Arun Anand, Baharam Javidi, Sagi Polani, Ariel Schwarz, Amir Shemer, Javier García, Zeev Zalevsky

Author Affiliations +

Proceedings Volume 9721, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XIII; 97210S (2016) https://doi.org/10.1117/12.2211615
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

In this paper we aim to experimentally verify a speckle based technique for non-contact measurement of glucose concentration in blood stream while the vision for the final device aims to contain a single wristwatch-style device containing an AC (alternating) electro-magnet generated by a solenoid, a laser and a camera. The experiments presented in work are performed in-vitro in order to verify the effects that are responsible for the operation principle. When a glucose substance is inserted into a solenoid generating an alternating magnetic field it exhibits Faraday rotation which affects the temporal changes of the secondary speckle patterns distribution. The temporal frequency resulting from the AC magnetic field was found to have a lock-in amplification role which increased the observability of the relatively small magneto-optic effect. Experimental results to support the proposed concept are presented.

Conference Presentation

Citation Download Citation

Nisan Ozana, Yevgeny Beiderman, Arun Anand, Baharam Javidi, Sagi Polani, Ariel Schwarz, Amir Shemer, Javier García, and Zeev Zalevsky "Non-contact optical sensor for detection of glucose concentration using a magneto-optic effect", Proc. SPIE 9721, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XIII, 97210S (22 April 2016); https://doi.org/10.1117/12.2211615

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