Hollow-Core Photonic Crystal Fibers for Surface-Enhanced Raman Scattering Probes

Table 1

Using the 1509 cm⁻¹ peak as an example, the intensity of the conventional Raman signal and the SERS signal in both the direct sampling and the liquid-filled HCPCF.

	Raman intensity (A.U.)	SERS intensity (A.U.)
Direct sampling	3104	3213
Liquid-filled HCPCF	190105	312946