Fig. 1. (a) Light coupling mechanism of 81°-TFG; (b)micrograph of the tilted fringe in core region of 81°-TFG

Fig. 2. (a) Polarization correlation spectrum of 81°-TFG in C band; (b) transmission spectrum within all-spectrum region of 81°-TFG

Fig. 3. Diagram of experimental test

Fig. 4. Preparation and purification of NDV-MAb. (a) Purification of NDV-MAb by protein A affinity column; (b) SDS-PAGE identification of purified NDV-MAb; (c) identification of NDV-MAb with Western-blot

Fig. 5. Micrograph of fiber observed under the inverted fluorescence microscope. (a) Silanization fiber; (b) fiber modified by SPA labeled with FITC

Fig. 6. (a) Chemical link mechanism of fiber surface; (b) spectrum evolution of 81°-TFG in surface process

Fig. 7. (a) Spectra of the 81°-TFG immunosensor under NDA solutions with different concentrations; (b) corresponding wavelength shift

Fig. 8. Resonant wavelength shift of 81°-TFG immunosensor under the reusability, specificity and clinical experiments