Investigation of optical homogeneity of langasite samples
In the work langasite (LGS, La3Ga5SiO14) samples of different crystallographic orientations and forms were investigated to determine connection between optical heterogeneity and growing conditions. On the plates with two polished sides the interference pictures in bulk (IPB) of crystal were fou...
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D.Ghitu Institute of Electronic Engineering and Nanotechnologies
2006
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oai:doaj.org-article:6a06827c9be144fea145d86df69023ce2021-11-21T12:10:10ZInvestigation of optical homogeneity of langasite samples 2537-63651810-648Xhttps://doaj.org/article/6a06827c9be144fea145d86df69023ce2006-01-01T00:00:00Zhttps://mjps.nanotech.md/archive/2006/article/3415https://doaj.org/toc/1810-648Xhttps://doaj.org/toc/2537-6365In the work langasite (LGS, La3Ga5SiO14) samples of different crystallographic orientations and forms were investigated to determine connection between optical heterogeneity and growing conditions. On the plates with two polished sides the interference pictures in bulk (IPB) of crystal were found. The main reason of IPB is heterogeneity of refractive indices. It was established by research of form of the plates’ surfaces and absorption factor in various areas on a plate. The refractive index No and its dispersion were measured by method of a prism in range of wave lengths from 400 up to 800 nm, total measuring inaccuracy was less than 0,0001. It is possible to ascertain that heterogeneity of a refractive index along a direction of growth is much higher than in a perpendicular direction. Buzanov, O.Didenco, I.Kozlova, N.Zabelina, E.D.Ghitu Institute of Electronic Engineering and NanotechnologiesarticlePhysicsQC1-999ElectronicsTK7800-8360ENMoldavian Journal of the Physical Sciences, Vol 5, Iss 1, Pp 33-37 (2006) |
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Physics QC1-999 Electronics TK7800-8360 |
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Physics QC1-999 Electronics TK7800-8360 Buzanov, O. Didenco, I. Kozlova, N. Zabelina, E. Investigation of optical homogeneity of langasite samples |
description |
In the work langasite (LGS, La3Ga5SiO14) samples of different crystallographic
orientations and forms were investigated to determine connection between optical
heterogeneity and growing conditions. On the plates with two polished sides the interference
pictures in bulk (IPB) of crystal were found. The main reason of IPB is heterogeneity of
refractive indices. It was established by research of form of the plates’ surfaces and absorption
factor in various areas on a plate. The refractive index No and its dispersion were measured
by method of a prism in range of wave lengths from 400 up to 800 nm, total measuring
inaccuracy was less than 0,0001. It is possible to ascertain that heterogeneity of a refractive
index along a direction of growth is much higher than in a perpendicular direction. |
format |
article |
author |
Buzanov, O. Didenco, I. Kozlova, N. Zabelina, E. |
author_facet |
Buzanov, O. Didenco, I. Kozlova, N. Zabelina, E. |
author_sort |
Buzanov, O. |
title |
Investigation of optical homogeneity of langasite samples |
title_short |
Investigation of optical homogeneity of langasite samples |
title_full |
Investigation of optical homogeneity of langasite samples |
title_fullStr |
Investigation of optical homogeneity of langasite samples |
title_full_unstemmed |
Investigation of optical homogeneity of langasite samples |
title_sort |
investigation of optical homogeneity of langasite samples |
publisher |
D.Ghitu Institute of Electronic Engineering and Nanotechnologies |
publishDate |
2006 |
url |
https://doaj.org/article/6a06827c9be144fea145d86df69023ce |
work_keys_str_mv |
AT buzanovo investigationofopticalhomogeneityoflangasitesamples AT didencoi investigationofopticalhomogeneityoflangasitesamples AT kozlovan investigationofopticalhomogeneityoflangasitesamples AT zabelinae investigationofopticalhomogeneityoflangasitesamples |
_version_ |
1718419191928717312 |