1 April 1998 Modeling and performance evaluation of ferrocene-based polymer clad tapered optical fiber gas sensors
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Abstract
The possibility of utilizing certain polymers, known as variable-index materials, as cladding in tapered optical fibers for gas sensing is explored. We have shown that any small variation in the refractive index of the cladding of a tapered single-mode fiber has a direct influence on the transmission characteristic of the tapered region. A 4% deviation in the refractive index of a certain polymer is obtained upon the exposure of the polymer to ammonia. Sensitivity, repeatability, and selectivity of several fabricated sensors are also illustrated.
Mehdi Shadaram, Loren I. Espada, Juan J. Martinez, Fernando Garcia, "Modeling and performance evaluation of ferrocene-based polymer clad tapered optical fiber gas sensors," Optical Engineering 37(4), (1 April 1998). https://doi.org/10.1117/1.601710 . Submission:
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