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M ethods for im provement of surface relief hologram diffraction parameters



  1. Institute of Solid State Physics, University of Latvia, Riga, 8 Kengaraga Street, Latvia


In this work the methods for improvement of recording parameters of surface relief holograms are studied using ≈ 3 μm thick azo-epoxy AAB: BADGE films. Our interest was pointed towards the possibility of experimentally checking the conditions which are more favourable for increasing the diffraction efficiency of surface relief holograms by self-enhancement and by assisting light illumination so contributing to a decrease of recording light exposure dose and recording time for initial grating. The first step of the experiment was to choose the appropriate polarization relationship for the light beams involved in the process. Subsequently, we studied the grating behaviour in light exposure with one of the recording beam when second one is closed, i.e. self-enhancement, was tested. The influence of assisting light during recording and self-enhancement was examined..


Surface relief gratings, Holographic self-enhancement, Azo-epoxy films.

Submitted at: Aug. 28, 2019
Accepted at: Feb. 17, 2020


M. REINFELDE, J. MIKELSONE, J. TETERIS, M ethods for im provement of surface relief hologram diffraction parameters, Journal of Optoelectronics and Advanced Materials Vol. 22, Iss. 1-2, pp. 1-4 (2020)