Journal
ADVANCED OPTICAL MATERIALS
Volume -, Issue -, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adom.202300275
Keywords
compact optics; multiplexing; photoresponsive materials; polychromatic lasers; vectorial holography
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The increasing demand for ultracompact micro- and nano-optics in augmented/virtual reality, displays, and Fourier optics is hindered by inefficient and non-tunable meta-solutions as well as complex fabrication methods. This study introduces a broadband laser composed of closely correlated lines that enables the simultaneous encoding of multiplexed, independent, and cross-talk free holograms with nanometric separation through interference patterning. The findings demonstrate the potential of this unconventional light source in overcoming spatial resolution limitations and providing reconfigurable structured optics with advantages including scalability, ease of use, cost-effectiveness, and reduced time and energy consumption.
The ever-growing demand for ultracompact micro- and nano-optics is guided by efficient applications in augmented/virtual reality, displays, and Fourier optics. The current technologies, mainly based on meta-solutions, suffer in terms of efficiency and tunability, as well as complex and multi-step fabrication methods that may limit their full-scale potential. Herein, a broadband laser composed of close and highly correlated lines allows, via interference patterning, for simultaneous encoding of multiplexed, independent, and cross-talk free holograms with nanometric separation. The reported findings show that such light, unusual for holographic recording, unlocks new features of organized collective phenomena, overcoming the usual spatial resolution limitations of the optical techniques. This approach gives promising perspectives for in situ design of reconfigurable structured optics, besides the obvious advantages of full-scalability, easiness, cost effectiveness, and time and energy consumption.
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