Fabricating 90 nm Resolution Structures in Sol-Gel Silica Optical Waveguides for Biosensor Applications

<div>Normalized optical power. (a) Transmission spectrum of the Bragg grating in the sol-gel silica waveguide. (b) Reflection spectrum of the grating.</div>

Journal of Sensors

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Figure 5

Figure 5: Fabricating 90 nm Resolution Structures in Sol-Gel Silica Optical Waveguides for Biosensor Applications 