Investigation on ARROW-B SPR Chemical Sensors

Autor: Chen, Shinn-Yuan, 陳信源
Rok vydání: 1997
Druh dokumentu: 學位論文 ; thesis
Popis: 85
A design of ARROW-B SPR chemical sensor for use in the field of environmentalmonitoring is presented. The use of an ARROW-B structure permits incorporationof a thick guiding region for efficient coupling to a single-mode fiber. In thisthesis, we present a rigorous model for the optical power transmittance of thistype of sensor. This model is used to determine the difference in normalizedoutput power between two sensing arms of the sensor, as a function of waveguide,metal film, buffer layer parameters. Our sensor is designed to operate in waterto detect low concentration pollution of water, and a high sensitivity for detectingchanges on the order of 10e-5 in the refractive index of analyte is achieved.
Databáze: Networked Digital Library of Theses & Dissertations