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Herein, a novel proposed optical attenuator poly(vinyl alcohol)/poly(vinyl pyrrolidone) (PVA/PVP) doped PbS (NPs) nanoparticles nanocomposites films. The samples are fabricated by casting‐method to analyze the linear optical properties and estimate the nonlinear optical parameters. The crystal and molecular structure of the fabricated nanocomposites thick (PVA/PVP) films of different PbS (NPs) doping...
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