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Proceedings Paper

Holographic recording of microscopic Bragg reflectors for optical data storage
Author(s): Hans Joachim Eichler; Peter Kuemmel; Susanna Orlic; Andreas G.W. Wappelt
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Paper Abstract

We report on the holographic recording and read-out of microscopic Bragg-reflectors in DuPont Omnidex HRF-800 photopolymer films with 20 micrometer thickness. A Helium-Neon laser operating at (lambda) equals 632.8 nm was employed as light source. Lenses from Digital Versatile Disk (DVD) pick- ups were used to realize a beam waist with submicron diameter. The local distribution of the diffraction efficiency was investigated by applying a confocal scanning microscope setup. Holograms with a 1/e2-radius of 1.8 micrometer and 12 micrometer depth (FWHM) have been recorded. Due to shrinkage, the maximum diffraction efficiency was 0.4%, which can be improved by adjusting the read-out wavelength.

Paper Details

Date Published: 23 October 1998
PDF: 10 pages
Proc. SPIE 3401, Optical Data Storage '98, (23 October 1998); doi: 10.1117/12.327936
Show Author Affiliations
Hans Joachim Eichler, Technical Univ. of Berlin (Germany)
Peter Kuemmel, Technical Univ. of Berlin (Germany)
Susanna Orlic, Technical Univ. of Berlin (Germany)
Andreas G.W. Wappelt, Univ. of Stuttgart (Germany)


Published in SPIE Proceedings Vol. 3401:
Optical Data Storage '98
Shigeo R. Kubota; Tomas D. Milster; Paul J. Wehrenberg, Editor(s)

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