Fig. 1. Structure of oscillating metal optical waveguide

Fig. 2. ATR spectra of metal waveguides with TE polarization and TM polarization

Fig. 3. Mode distributions in waveguides with different thicknesses

Fig. 4. Relationship between energy and thickness in waveguide guide layer and coupling layer

Fig. 5. Experimental device for detecting waveguide reflectivity

Fig. 6. Reflection spectrum of waveguide with thickness of 1.00 mm

Fig. 7. Experimental device for Raman spectroscopy detection

Fig. 8. Raman spectra of CuPc under different waveguide thicknesses

Fig. 9. Raman spectra of 0.17 mm thickness waveguide with different polarization