Development of a ring cavity-based fibre optic sensor for MR-compatible medical sensing applications

K. Bhavsar, V. Viswambaran, J. Johny, M. Kailasnath, A. Melzer, R. Prabhu

Research output: Contribution to journalConference article

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Abstract

Advances in robotic systems and rapid developments in minimally invasive surgery (MIS) have made their use possible in the operating room due to many distinct advantages offered by MIS over conventional surgical procedures. The constant increase of medical examinations, surgeries and surgical interventions using intraoperative guidance with magnetic resonance imaging (MRI) has promoted research on new sensors to be applied in this scenario. However, due to the challenging environment under MRI system limits the applicability of materials and traditional electronic sensors. Optical fibres are small in size, chemically inert, immune to electromagnetic interference and offer the real-time in vivo multi-parameter measurement capability. Herein, we report a ring cavity-based fibre optic sensor design using MR-compatible polymer material. Optical fibres were used to excite surface resonance modes (SRM) of the ring cavity-based sensor. The paper reports initial investigations on ring cavity based MR-compatible fibre optic sensor design. Computational simulations were carried out to study the effect of structural and material parameters on the sensor design. Ring cavity was developed using polymethyl methacrylate. Developed ring cavity will be used to develop the MR-compatible fibre optic sensor for medical applications.

Original languageEnglish
Article number012013
JournalIOP Conference Series: Materials Science and Engineering
Volume499
Issue number1
DOIs
Publication statusPublished - 3 Apr 2019
Event4th International Conference on Structural NanoComposites, NANOSTRUC 2018 - Berlin, Germany
Duration: 23 May 201824 May 2018

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Fiber optic sensors
Surgery
Sensors
Magnetic resonance
Optical fibers
Operating rooms
Medical applications
Polymethyl Methacrylate
Signal interference
Polymethyl methacrylates
Imaging systems
Polymers
Robotics
Imaging techniques

Cite this

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Development of a ring cavity-based fibre optic sensor for MR-compatible medical sensing applications. / Bhavsar, K.; Viswambaran, V.; Johny, J.; Kailasnath, M.; Melzer, A.; Prabhu, R.

In: IOP Conference Series: Materials Science and Engineering , Vol. 499, No. 1, 012013, 03.04.2019.

Research output: Contribution to journalConference article

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