--- Log opened Wed Jun 04 00:00:02 2025
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23:28 < fenn> see in infrared with eyes closed: https://www.cell.com/cell/fulltext/S0092-8674(25)00454-4
23:28 < fenn> .t
23:28 < saxo> Just a moment...
23:28 < fenn> "Near-infrared spatiotemporal color vision in humans enabled by upconversion contact lenses"
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23:33 < fenn> "Although participants wearing UCLs could recognize the temporal information of the flickering NIR light and the direction of NIR light from specific visual quadrants, UCLs cannot achieve fine image perception from an optical principle standpoint, because the upconverted scattered visible light alters the spatial information originally carried by the NIR light before entering the human eye. To
23:33 < fenn> overcome this, we designed the wearable eyeglass system to enable participants to distinguish the NIR moving gratings with a spatial resolution threshold of about 65 c/d. This is comparable to the typical spatial resolution threshold (∼60 c/d) of human vision"
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23:34 < fenn> "nanoparticles could be engineered to emit light only in the forward direction, or microscale optical fiber channels could be embedded in the UCLs to guide the converted visible light exclusively toward the eye."
23:35 < fenn> this sounds wacky but it should be possible to align encapsulated particles with an electric field at the factory
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23:37 < fenn> like each capsule is a reflective dish on one side with the nanoparticle at the focal point (and a hole in the mirror to let the IR light through to stimulate the particle of course)
--- Log closed Thu Jun 05 00:00:03 2025