While offering unique advantages like immunity to electromagnetic interference and compact size, fiber optic sensors also present several notable disadvantages, including high cost, complexity, fragility, and susceptibility to various forms of noise, crosstalk, and environmental. While offering unique advantages like immunity to electromagnetic interference and compact size, fiber optic sensors also present several notable disadvantages, including high cost, complexity, fragility, and susceptibility to various forms of noise, crosstalk, and environmental. Immunity to EMI/RFI: Fiber optic sensors are not disturbed by Electromagnetic Interference (EMI) and Radio Frequency Interference (RFI). Suitable for Harsh Environments: They are safe and suitable for use in extreme vibration and harsh environments. This article describes some challenges for adopting FOSs for biomedical purposes, exploring technical and practical obstacles, and examining innovative solutions. Over the years, sensing technology has. Additionally, fiber optic sensors are immune to electromagnetic interference, noise, and crosstalk that can affect electrical sensors. Fiber optic sensors can also be connected in. ABSTRACT: Fibre-optic sensors are widely used because of their technical and economic benefits. The scientific background is usually well developed; however, there are sometimes restrictions with respect to long-term reliable behaviour of sensor components and/or the long-term stability of the.