A joint university/ industry/government consortium starting in 1996 set out to develope a holographic data storage system. The five-year, $32 million Holographic Data Storage System (HDSS) program was supported 50 percent by the U.S. Defense Department's Advanced Research Projects Agency (ARPA) and 50 percent by the 12 participants.
Stanford, IBM's Almaden Research Center, GTE/Optitek, and Rockwell were key participants in the program.
Program Goals
The goal of the HDSS program was to demonstrate a write-once and rewritable systems that demonstrate its extraordinary potential: a capacity 1 trillion bits or more and a data-throughput rate of at least 1 billion bits a second. Driving applications were satellite communications, airborne reconnaissance, high-speed digital libraries, rugged storage for tactical vehicles, and image processing for medical, video and military purposes.
Technical Challenges of Lens
JENOPTIK Optical Systems delivered the fabricated lens assemblies. The optical design and tolerancing was performed by Optical Research Associates (ORA).
The lens presented several technical challanges:
- Double Fourier Transform Lens
- 12 element lens pair/ High index glass
- Low distortion (<0.25 pixel over entire field)
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