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Proceedings Paper

Pulse hologram recording in DuPont's photopolymer films
Author(s): Viktor Nikolaevic Mikhailov; K. Thilo Weitzel; Vitaly N. Krylov; Urs Paul Wild
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Paper Abstract

We demonstrate the recording of high-efficiency reflection holograms in DuPont photopolymer films HRF-800X071-20 and HRF-700X001-20 by using, for the first time to our knowledge, nanosecond laser pulses. The weak reflectance efficiency (6.5%) of the mirror holograms could be significantly improved up to 75% by using pre-illumination. With incoherent pre-illumination, significantly increased diffraction efficiency and sensitivity of the holograms are obtained, while pulsed pre-illumination leads to an enhancement of the reflectance only. The results are compared with cw laser exposure under identical processing conditions, including pre-illumination.

Paper Details

Date Published: 10 April 1997
PDF: 3 pages
Proc. SPIE 3011, Practical Holography XI and Holographic Materials III, (10 April 1997); doi: 10.1117/12.271373
Show Author Affiliations
Viktor Nikolaevic Mikhailov, Swiss Federal Institute of Technology (Russia)
K. Thilo Weitzel, Swiss Federal Institute of Technology (Germany)
Vitaly N. Krylov, Swiss Federal Institute of Technology (Switzerland)
Urs Paul Wild, Swiss Federal Institute of Technology (Switzerland)


Published in SPIE Proceedings Vol. 3011:
Practical Holography XI and Holographic Materials III
Stephen A. Benton; T. John Trout, Editor(s)

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