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Bit-mapped holograms using phase transition mastering (PTM) and Blu-ray disks

Video in TIB AV-Portal: Bit-mapped holograms using phase transition mastering (PTM) and Blu-ray disks

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Title
Bit-mapped holograms using phase transition mastering (PTM) and Blu-ray disks
Title of Series
Part Number
27
Number of Parts
47
Author
License
CC Attribution - NoDerivatives 2.0 UK: England & Wales:
You are free to use, copy, distribute and transmit the work or content in unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
Identifiers
Publisher
Release Date
2012
Language
English

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Subject Area
Abstract
Due to recent advances made in data storage, cloud computing, and Blu-ray mastering technology, it is now straight forward to calculate, store, transfer, and print bit-mapped holograms that use terabytes of data and tera-pixels of information. This presentation reports on the potential of using the phase transition mastering (PTM) process to construct bit-mapped, computer generated holograms with continuous-tone phase levels and spatial resolutions of 5000 line-pairs/mm (70 nm pixel width). In particular, for Blu-ray disk production, Sony has developed a complete process that could be alternately deployed in holographic applications. The phase transition mastering (PTM) process uses a 405 nm laser to write phase patterns onto a layer of imperfect transition metal oxides that is deposited onto an 8 inch silicon wafer. After the master hologram has been constructed, its imprint can then be cheaply mass produced with the same process as Blu-ray disks or embossed holograms. Unlike traditional binary holograms made with expensive e-beam lithography, the PTM process enables continuous phase levels using inexpensive optics similar to consumer-grade desk-top Blu-ray writers. This PTM process could revolutionize holography for entertainment, industrial, and scientific applications. The author has filed a Provisional Patent on the application of PTM in holography.
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