Sensitivity analysis of a photonic crystal structure for index-of-refraction sensing

Ofer Levi; Meredith M. Lee; Jingyu Zhang; Virginie Lousse; Steven R. J. Brueck; Shanhui Fan; James S. Harris

doi:10.1117/12.705670

12 February 2007 Sensitivity analysis of a photonic crystal structure for index-of-refraction sensing

Ofer Levi, Meredith M. Lee, Jingyu Zhang, Virginie Lousse, Steven R. J. Brueck, Shanhui Fan, James S. Harris

Proceedings Volume 6447, Nanoscale Imaging, Spectroscopy, Sensing, and Actuation for Biomedical Applications IV; 64470P (2007) https://doi.org/10.1117/12.705670
Event: SPIE BiOS, 2007, San Jose, California, United States

Abstract

We present the optical characterization of an all-dielectric photonic crystal (PC)-based guided resonance filter sensitive to index-of-refraction changes in aqueous solutions. Spectral peak width was found to be 9.8 and 4.4 nm around 816 nm (water media), corresponding to a quality factor Q of 83 and 181, respectively. A spectral shift of peak wavelength with index change of 130 nm/RIU was observed for bulk fluid experiments. Measured peak shift (&Dgr;&lgr;=0.2nm) corresponds to a detectable index change &Dgr;n=1.5×10^-3.

Citation Download Citation

Ofer Levi, Meredith M. Lee, Jingyu Zhang, Virginie Lousse, Steven R. J. Brueck, Shanhui Fan, and James S. Harris "Sensitivity analysis of a photonic crystal structure for index-of-refraction sensing", Proc. SPIE 6447, Nanoscale Imaging, Spectroscopy, Sensing, and Actuation for Biomedical Applications IV, 64470P (12 February 2007); https://doi.org/10.1117/12.705670

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