Jinhua Hu, Xiuhong Liu, Jijun Zhao, Jun Zou. Investigation of Fano resonance in compound resonant waveguide gratings for optical sensing[J]. Chinese Optics Letters, 2017, 15(3): 030502
- Chinese Optics Letters
- Vol. 15, Issue 3, 030502 (2017)
Fig. 1. Schematic of the CRWG sensor.
Fig. 2. CRWG transmission spectra for TE eigenmodes corresponding to (a) n cl = 1.330 n cl = 1.332 n cl = 1.334
Fig. 3. CRWG resonance peak wavelength versus n cl
Fig. 4. CRWG transmission spectra for TE polarization and different L 1 n cl = 1.332 W 1 = 302 nm W 2 = 202 nm P = 980 nm d = 160 nm L 1 = 206 nm L 1 = 216 nm L 1 = 226 nm L 1 = 231 nm
Fig. 5. CRWG transmission spectra for TE polarization with different n cl L 1 = 231 nm P = 980 nm d = 160 nm W 1 = 302 nm W 2 = 202 nm
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Table 1. Eigenvalues of TE Eigenmodes Corresponding to Different Refractive Indices
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Table 2. Eigenvalues of TE Eigenmodes for Different L1
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