Fig. 1. Schematic of NPBS structure

Fig. 2. NPBS polarization sensitivity measurement system. (a) NPBS transmittance/reflectance polarization sensitivity measurement system; (b) NPBS transmission/reflection phase difference polarization sensitivity measurement system

Fig. 3. PD_s and PD_p normalized calibration fitting curves in experimental measurement system

Fig. 4. Accuracy verification experiment of NPBS polarization sensitivity measurement system. (a) Test results of NPBS transmittance/reflectance polarization sensitivity measurement system accuracy verification experiment; (b) test results of NPBS transmission/reflection phase difference polarization sensitivity measurement system accuracy verification experiment

Fig. 5. Ten repeatable measurements of transmittance/reflectance and transmission/reflection phase difference of three NPBS samples. (a) Ten repeatable measurements of transmittance/reflectance; (b) ten repeatable measurements of transmission/reflection phase difference

Fig. 6. Experimental results of polarization sensitivity measurement of NPBS samples at different incident wavelengths. (a) Variation of NPBS transmittance/reflectance with incident wavelength; (b) variation of NPBS transmission/reflection phase difference with incident wavelength

Fig. 7. Experimental results of polarization sensitivity measurement of NPBS samples at different incident angles. (a) Variation of NPBS transmittance/reflectance with incident angle; (b) variation of NPBS transmission/reflection phase difference with incident angle