Demonstration of a refractometric sensor based on an optical micro-fiber three-beam interferometer.

ABSTRACT: With diameter close to the wavelength of the guided light and high index contrast between the fiber and the surrounding, an optical micro-fiber shows a variety of interesting waveguiding properties, including widely tailorable optical confinement, strong evanescent fields and waveguide dispersion. Among various micro-fiber applications, optical sensing has been attracting increasing research interest due to its possibilities of realizing miniaturized fiber optic sensors with small footprint, high sensitivity, and low optical power consumption. Typical micro-fiber based sensing structures, including Michelson interferometer, Mach-Zenhder interferometer, Fabry-Perot interferometer, micro-fiber ring resonator, have been proposed. The sensitivity of these structures heavily related to the frac

SUBMITTER: Han C 

PROVIDER: S-EPMC4266861 | biostudies-literature | 2014 Dec

REPOSITORIES: biostudies-literature