23 October 1998 Holographic recording of microscopic Bragg reflectors for optical data storage
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Proceedings Volume 3401, Optical Data Storage '98; (1998) https://doi.org/10.1117/12.327936
Event: Optical Data Storage '98, 1998, Aspen, CO, United States
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.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hans Joachim Eichler, Peter Kuemmel, Susanna Orlic, Andreas G.W. Wappelt, "Holographic recording of microscopic Bragg reflectors for optical data storage", Proc. SPIE 3401, Optical Data Storage '98, (23 October 1998); doi: 10.1117/12.327936; https://doi.org/10.1117/12.327936
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