DocumentCode
400408
Title
A diode laser chemical sensor utilizing an oxidized lower cladding layer for high sensitivity
Author
Wan, Chad S. ; Cohen, D.A. ; Nolde, Jill A. ; Lofgreen, Dan D. ; Coldren, Larry A.
Author_Institution
Dept. of Electr. & Comput. Eng., California Univ., Santa Barbara, CA, USA
Volume
2
fYear
2003
fDate
27-28 Oct. 2003
Firstpage
989
Abstract
We demonstrate a chemical sensor incorporating a self-aligned, symmetrically-clad high index contrast evanescent field sensing waveguide. Analyte overlap of 4.8% is obtained with a tightly confined mode, ideal for sensitive affinity assays.
Keywords
chemical sensors; cladding techniques; laser modes; optical waveguides; oxidation; semiconductor lasers; chemical sensor; diode laser; evanescent field sensing waveguide; oxidized lower cladding layer; self-aligned symmetrical cladding; sensitive affinity assay; Biomedical optical imaging; Chemical sensors; Diode lasers; Etching; Optical mixing; Optical sensors; Optical surface waves; Optical waveguides; Semiconductor waveguides; Waveguide lasers;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics Society, 2003. LEOS 2003. The 16th Annual Meeting of the IEEE
ISSN
1092-8081
Print_ISBN
0-7803-7888-1
Type
conf
DOI
10.1109/LEOS.2003.1253139
Filename
1253139
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