Angular selectivity in volume holograms with spherical reference waves implemented by rotating a mirror

Wei-Chia Su, Chung Ming Chen

Research output: Contribution to journalArticle

Abstract

A multiplexing scheme in volume holograms with a spherical reference wave implemented by rotating a mirror is presented. Diffraction angular selectivity of the mirror in the proposed holographic storage system is theoretically and experimentally investigated. The spherical reference waves in the presented multiplexing scheme can be replaced with plane reference waves; however, angular selectivity of the mirror with a plane reference wave is higher than that with a spherical reference wave in the system. Angular selectivity of the mirror using a spherical reference wave in the system can be increased by decreasing the distance between the mirror and the hologram. Unlike spherical reference waves, angular selectivity using a plane reference wave stays the same in this system. Although using spherical reference waves generates a lower angular selectivity, it also offers larger total accessible angular range or reference beams. Accordingly, using spherical reference waves in the proposed system will not sacrifice the storage capacity.

Original languageEnglish
Article number015802
JournalOptical Engineering
Volume46
Issue number1
DOIs
Publication statusPublished - 2007 Jan 1

Fingerprint

Holograms
Mirrors
selectivity
mirrors
Multiplexing
multiplexing
guy wires
Diffraction

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

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abstract = "A multiplexing scheme in volume holograms with a spherical reference wave implemented by rotating a mirror is presented. Diffraction angular selectivity of the mirror in the proposed holographic storage system is theoretically and experimentally investigated. The spherical reference waves in the presented multiplexing scheme can be replaced with plane reference waves; however, angular selectivity of the mirror with a plane reference wave is higher than that with a spherical reference wave in the system. Angular selectivity of the mirror using a spherical reference wave in the system can be increased by decreasing the distance between the mirror and the hologram. Unlike spherical reference waves, angular selectivity using a plane reference wave stays the same in this system. Although using spherical reference waves generates a lower angular selectivity, it also offers larger total accessible angular range or reference beams. Accordingly, using spherical reference waves in the proposed system will not sacrifice the storage capacity.",
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Angular selectivity in volume holograms with spherical reference waves implemented by rotating a mirror. / Su, Wei-Chia; Chen, Chung Ming.

In: Optical Engineering, Vol. 46, No. 1, 015802, 01.01.2007.

Research output: Contribution to journalArticle

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