Special-purpose computer HORN-5 for a real-time electroholography

In electroholography, a real-time reconstruction is one of the grand challenges. To realize it, we developed a parallelized high performance computing board for computer-generated hologram, named HORN-5 board, where four large-scale field programmable gate array chips were mounted. The number of cir...

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Published in:Optics express 2005-03, Vol.13 (6), p.1923-1932
Main Authors: Ito, Tomoyoshi, Masuda, Nobuyuki, Yoshimura, Kotaro, Shiraki, Atsushi, Shimobaba, Tomoyoshi, Sugie, Takashige
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cited_by cdi_FETCH-LOGICAL-c400t-c98f1bf4c02748d6b4e8de269da68fbb49fd85879097da85a02b685ac1fc5c753
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container_end_page 1932
container_issue 6
container_start_page 1923
container_title Optics express
container_volume 13
creator Ito, Tomoyoshi
Masuda, Nobuyuki
Yoshimura, Kotaro
Shiraki, Atsushi
Shimobaba, Tomoyoshi
Sugie, Takashige
description In electroholography, a real-time reconstruction is one of the grand challenges. To realize it, we developed a parallelized high performance computing board for computer-generated hologram, named HORN-5 board, where four large-scale field programmable gate array chips were mounted. The number of circuits for hologram calculation implemented to the board was 1,408. The board calculated a hologram at higher speed by 360 times than a personal computer with Pentium4 processor. A personal computer connected with four HORN-5 boards calculated a hologram of 1,408 x 1,050 made from a three-dimensional object consisting of 10,000 points at 0.0023 s. In other words, beyond at video rate (30 frames / s), it realized a real-time reconstruction.
doi_str_mv 10.1364/opex.13.001923
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title Special-purpose computer HORN-5 for a real-time electroholography
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