首页|Experimental implementation of phase triplicator gratings in a spatial light modulator
Experimental implementation of phase triplicator gratings in a spatial light modulator
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In this work,we compare different methods for implementing a triplicator,a phase grating that generates three equi-intense diffraction orders.The design with optimal efficiency features a continuous phase profile,which cannot be easily reproduced,and is typically affected by quantization.We compare its performance with binary and sinusoidal phase pro-files.We also analyze the effect of quantizing the phase levels.Finally,a random approach is adopted to eliminate the additional harmonic orders.In all cases,a liquid-crystal-on-silicon spatial light modulator is employed to experimentally verify and compare the different approaches.
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