Hollow-Core Photonic Crystal Fibers for Surface-Enhanced Raman Scattering Probes
Figure 3
(a) Transmission spectrum of the Air-6 800 photonic crystal fiber (provided by Crystal Fiber). (b) Micrograph of the cross-section of the HCPCF. (c) Probing tip of the HCPCF after postfabrication processing. (d) Enlarged view of (c).
