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Proceedings Paper

Off-axis holograms recording in photochromic glass
Author(s): Mona Mihailescu; E. Pavel; V. B. Nicolae
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Paper Abstract

We investigated the recording-erase processes of a hologram in photochromic glass using a continuum Nd:YVO4 laser radiation (λ=532nm). Its dynamic was evaluated in the reconstruction step. A bidimensional micrograting pattern was formed and visualized in photochromic glass. In the reconstruction step, we monitored the time decay of the diffraction efficiencyin plane oh the reconstructed object image. It gave information about the processes induced inside the material. Recording and reconstruction processes were done in an off-axis setup, and the movies of the reconstructed object images were recorded on a CCD camera. Measurements from the reconstruction kinetic, gave us information used to computing the variation of the refractive index of the photochromic glass during these processes.

Paper Details

Date Published: 3 December 2010
PDF: 6 pages
Proc. SPIE 7821, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies V, 782113 (3 December 2010); doi: 10.1117/12.882087
Show Author Affiliations
Mona Mihailescu, Politehnica Univ. of Bucharest (Romania)
E. Pavel, Storex Technologies SRL (Romania)
V. B. Nicolae, Politehnica Univ. of Bucharest (Romania)

Published in SPIE Proceedings Vol. 7821:
Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies V
Paul Schiopu; George Caruntu, Editor(s)

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