Toward terabyte two-photon 3D disk. Academic Article uri icon


  • 253GB have been recorded in 300 layers inside the volume of one of our two-photon 3D disks. Each layer contains the equivalent of CD layer bit-densities recorded with a 0.5NA objective lens. A new 1.0NA lens with the desirable first order optical properties of long working distance and small diameter, 1.2mm and 4.5mm, and a self-compensating spherical aberration correction mechanism is designed, manufactured and integrated into our single beam two-photon 3D automated recording system. Experimental data obtained with the 1.0NA lens are presented. The resulting bit densities obtained with our new high-performance liquid immersion singlet (LIS) objective lens indicate that our system is capable of full disk recordings from 0.5 to 1 TB within a standard optical disk form factor of 120mm x 1.2mm thick utilizing our very stable and efficient materials. A compact optical head based on our new objective lens capable of TB storage is described.

published proceedings

  • Opt Express

author list (cited authors)

  • Walker, E. d., Dvornikov, A., Coblentz, K., Esener, S., & Rentzepis, P.

citation count

  • 38

complete list of authors

  • Walker, Ed||Dvornikov, Alexander||Coblentz, Ken||Esener, Sadik||Rentzepis, Peter

publication date

  • September 2007