Journal
SENSORS
Volume 15, Issue 10, Pages 25208-25259Publisher
MDPI
DOI: 10.3390/s151025208
Keywords
fiber-optic sensor; chemical sensor; enzymatic sensor; whole cell biosensor; immobilization of biologicals; tapered optical fiber
Funding
- Project BIO-OPT-XUV Research Team Advancement at the Faculty of Biomedical Engineering, CTU, Prague (MEYS ESF Project) [CZ.1.07/2.3.00/20.0092]
- Internal Grant Agency of the J.E. Purkyne University
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This review summarizes principles and current stage of development of fiber-optic chemical sensors (FOCS) and biosensors (FOBS). Fiber optic sensor (FOS) systems use the ability of optical fibers (OF) to guide the light in the spectral range from ultraviolet (UV) (180 nm) up to middle infrared (IR) (10 mu m) and modulation of guided light by the parameters of the surrounding environment of the OF core. The introduction of OF in the sensor systems has brought advantages such as measurement in flammable and explosive environments, immunity to electrical noises, miniaturization, geometrical flexibility, measurement of small sample volumes, remote sensing in inaccessible sites or harsh environments and multi-sensing. The review comprises briefly the theory of OF elaborated for sensors, techniques of fabrications and analytical results reached with fiber-optic chemical and biological sensors.
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