Total Internal Reflection-Based High Efficiency Grating Design for a Metal-Free Polarizing Filter Applications Using Hybrid Optimization Procedure

<table>Efficiency (a) and parameter (b) convergence curves of HTGA with respect to generation number for the TIR-based gratings with polarization-insensitive performance.</table>

Advances in Optical Technologies

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Figure 7

Figure 7: Total Internal Reflection-Based High Efficiency Grating Design for a Metal-Free Polarizing Filter Applications Using Hybrid Optimization Procedure 

Figure 7 | Total Internal Reflection-Based High Efficiency Grating Design for a Metal-Free Polarizing Filter Applications Using Hybrid Optimization Procedure 