Hyub Lee, Mun Ji Low, Chin Huat Joel Lim, V. M. Murukeshan, Young‐Jin Kim
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Abstract
We demonstrated various diffractive optical components based on a sub-micrometer graphene oxide (GO) film using a femtosecond (fs) laser direct writing method. The designated GO region exposed to the fs pulses is converted to reduced GO (rGO) with high optical absorbance via photoreduction. The GO/rGO pattern acts as a binary diffractive element.
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