of data has been recorded in 200 layers inside the volume of one of our two-photon 3D disks. Each layer contains of data similar to the capacity of a single layer DVD. The results obtained with our high-performance 1.0 numerical aperture (NA) objective lens show a full disk recording of within a standard optical disk form factor thick utilizing our very stable and efficient materials. Very high sensitivity materials are recorded with bit energies as low as . Materials sensitive at are experimentally tested by recording with a Nichia laser diode. Results show that bit dimensions are further reduced, which enables future recordings of disk capacities by recording , the equivalent of a Blu-ray disk capacity per layer.
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