New approach to developing efficient, high-precision 3D light shapers SPIEtweets
To this end, scientists have developed what are called"aperiodic photonic volume elements" , microscopic voxels with specific refractive indices located at predefined positions to direct the flow of
In their study, the researchers designed an algorithm that stimulates the flow of light through a medium to determine the optimum placement of voxels for achieving the necessary precision. Based on this, they were able to generate between 154,000 and 308,000 voxels, each occupying a volume of approximately 1.75 µm × 7.5 µm × 10 µm, within just 20 minutes.
The team used the intensity shaper to convert a Gaussian beam into a microscopic smiley-shaped light distribution, followed by the multiplexer to represent different parts of the smiley distribution in different colors, and finally the HG mode sorter to convert multiple Gaussian mode inputs delivered by the optical fibers into HG modes.
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