Title :
Photonic crystal microcavity source based ion sensor
Author :
Chakravarty, S. ; Topolancik, J. ; Bhattacharya, P. ; Chakrabarti, S. ; Kang, Y. ; Meyerhoff, M.E.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Michigan Univ., Ann Arbor, MI
fDate :
Oct. 30 2005-Nov. 3 2005
Abstract :
An optical ion sensor based on the shifts of resonance of a photonic crystal microcavity coated with an ion sensing polymer is demonstrated. A 20nm shift is observed for perchlorate ion and a 5nm shift is observed for calcium cation
Keywords :
optical sensors; photonic crystals; calcium cation; ion sensing polymer; optical ion sensors; perchlorate ion; photonic crystal microcavity; resonance shift; Biomedical optical imaging; Microcavities; Optical polymers; Optical refraction; Optical sensors; Optical variables control; Optoelectronic and photonic sensors; Photonic crystals; Refractive index; Resonance;
Conference_Titel :
Sensors, 2005 IEEE
Conference_Location :
Irvine, CA
Print_ISBN :
0-7803-9056-3
DOI :
10.1109/ICSENS.2005.1597807
