Theoretical simulation of the dead zone in hologram recording on photopolymerizable materials

Autor:	T. V. Galstyan, R. S. Akopyan, Artur V. Galstyan
Rok vydání:	2004
Předmět:	Materials science Physics and Astronomy (miscellaneous) business.industry Holography Dead zone law.invention Optics Polymerization Liquid crystal law Impurity Astrophysics::Earth and Planetary Astrophysics Diffusion (business) business Diffraction grating Radiant intensity
Zdroj:	Technical Physics. 49:733-738
ISSN:	1090-6525 1063-7842
DOI:	10.1134/1.1767883
Popis:	Recording of a diffraction grating in a photopolymerizable material in the presence of a liquid crystal is studied theoretically in terms of the polymerization equation with allowance for diffusion. A model explaining the occurrence of recording delay time (dead zone) by the presence of oxygen or other impurities that prevent the formation of free radicals is put forward. The dead zone duration versus the writing radiation intensity is derived.
Databáze:	OpenAIRE
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