Hybrid glass and sol-gel integrated optical waveguides for absorption-based biosensing

Ismail E. Araci; Nasuhi Yurt; Seppo Honkanen; Sergio B. Mendez; Nasser Peyghambarian

doi:10.1117/12.628880

10 November 2005 Hybrid glass and sol-gel integrated optical waveguides for absorption-based biosensing

Ismail E. Araci, Nasuhi Yurt, Seppo Honkanen, Sergio B. Mendez, Nasser Peyghambarian

Proceedings Volume 6004, Fiber Optic Sensor Technology and Applications IV; 60040J (2005) https://doi.org/10.1117/12.628880
Event: Optics East 2005, 2005, Boston, MA, United States

Abstract

A novel integrated optical planar waveguide platform for absorption-based biosensing is demonstrated. The platform integrates surface ion-exchanged channel waveguides with one-step UV patterned sol-gel structures to define the probing regions. Cytochrome c protein was utilized to characterize the device performance. Spectroscopically specific attenuation of approximately 2 dB in the guided signal occurred at 532nm for 1.4 cm long probing region. The estimated level of detection is about 1 pmol/cm² of surface adsorbed cytochrome c. The proposed structure enables environmentally stable, compact, and inexpensive sensing devices that can be applied to a wide range of biological and chemical species.

Citation Download Citation

Ismail E. Araci, Nasuhi Yurt, Seppo Honkanen, Sergio B. Mendez, and Nasser Peyghambarian "Hybrid glass and sol-gel integrated optical waveguides for absorption-based biosensing", Proc. SPIE 6004, Fiber Optic Sensor Technology and Applications IV, 60040J (10 November 2005); https://doi.org/10.1117/12.628880

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