Ultrasensitive fiber optic sensors and their applications

SungHyun Nam; Jon Lee; Shizhuo Yin; Karl Reichard; Paul Ruffin; Qing Wang

doi:10.1117/12.587205

23 March 2005 Ultrasensitive fiber optic sensors and their applications

SungHyun Nam, Jon Lee, Shizhuo Yin, Karl Reichard, Paul Ruffin, Qing Wang

Proceedings Volume 5691, Optical Fibers and Sensors for Medical Applications V; (2005) https://doi.org/10.1117/12.587205
Event: SPIE BiOS, 2005, San Jose, CA, United States

Abstract

In this paper, a brief review on ultrasensitive fiber optic sensors and their applications, done recently at Penn State, is presented. Our discussions will mainly focus on two types of highly sensitive fiber optic sensors. One type is based on the combination of single resonant band long period gratings (LPGs) with the second refractive index matched polymer cladding layer. The other one is based on the LPGs fabricated in photonic nanostructured fibers and waveguides. It is found that a significantly increased sensitivity (two order plus) can be achieved by harnessing these approaches, which will benefit a variety of applications, in particular, low concentration chemical/biological agents detection.

Citation Download Citation

SungHyun Nam, Jon Lee, Shizhuo Yin, Karl Reichard, Paul Ruffin, and Qing Wang "Ultrasensitive fiber optic sensors and their applications", Proc. SPIE 5691, Optical Fibers and Sensors for Medical Applications V, (23 March 2005); https://doi.org/10.1117/12.587205

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KEYWORDS

Refractive index

Photonic nanostructures

Polymers

Cladding

Nanostructuring

Fiber optics sensors

Waveguides

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