Five Dimensional Optical Recording (5D DVD)

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5 Dimensional Optical Storage is a new technology which uses the wave length
and polarization of light along with the other three dimensions of space to
create high density, high storage discs that can store upto 10 Tera Bytes of
data.

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Five Dimensional Optical Recording (5D DVD)

  1. 2. Optical Recording 5D Optical Recording Design of Recording medium Reading and Writing Fields of Applications Adv, Disadv, Scope
  2. 3. OPTICAL RECORDING
  3. 4. Recording on a Photographic medium using light
  4. 5. Data is present on the surface of the medium in the form of bumps and pits Reading logic ‘0’ Reading logic ‘1’
  5. 6. 5 Dimensional Optical Recording
  6. 7. Phd student - Peter Zijlstra Dept. of Micro Photonics Swinburne University of Technology Hawthorn, Australia Introduced two more dimensions to existing 3D optical recording
  7. 8. Dimensions of Data Storage Parameter used to identify each bit of DATA 3 Spatial Dimensions Color Polarization
  8. 9. Recording medium comes in the shape of a normal DVD, but thickness may vary Gold nanorods in polymer solution coated on thin glass layer Spacer Polycarbonate substrate
  9. 11. SURFACE PLASMON RESONANCE emerges from the interaction between an electromagnetic wave and the conduction electrons in a metal conduction electrons vibrate under the irradiation of light at a resonant frequency Nanorods collapses to spheres
  10. 12. Wavelength and polarization of light Size and shape of nanoparticle
  11. 14. Effect of COLORED Light on Gold Nanorods
  12. 15. Effect of POLARIZED Light on Gold Nanorods polarization of light electric field component is restricted to a particular direction
  13. 16. Writing Tunable laser is used : Titanium Sapphire Femtosecond Laser Light impinging with a certain color and polarization will only target a subpopulation of gold nanorods, leaving the remaining rods for the next recording
  14. 17. Reading Reading performed by 2 Photon Luminescence Nanorods shine as they absorb light with same wavelength and polarization that changed their shape during recording
  15. 19. Large storage space Compact and light Can be manufactured on a large scale
  16. 20. Slow Writing speed Impracticality of using Titanium Sapphire Femtosecond Laser Not easily re-writable Cost Concerns
  17. 21. Fields of Application Medical Field Entertainment sector Space Research Financial sector
  18. 22. Future Scope has taken the rights of developing the drive Available in the market within 5 to 10 years Can increase the capacity to 10 TB Development of cheaper nanoparticles
  19. 23. Conclusion Promising approach for bulk data storage By introducing color and polarization dimension to existing technology, storage capacity can be increased to 1.6 TB With new advancement the storage can be increased to 10TB
  20. 24. References [1] Nanophotonics Down Under 2009 Devices and Applications - www.swinburne.edu.au [2] Nano-particle Based Multi-Dimensional Data Storage. By Xiangping Li (Thesis) - www.tr.im/5DDVD [3] Five dimensional optical recording - http://u.nu/5fxr [4] Nanotech DVD - http://u.nu/7fxr [5] Five dimensional optical recording (journal) - http://u.nu/9fxr [6] Five dimensional optical recording - Technology Review (digital magazine) - (Published by MIT) - http://u.nu/3gxr  

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