2015
DOI: 10.3116/16091833/16/1/1/2015
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Behaviour of topological defects of optical indicatrix orientation in cubic, hexagonal, trigonal and tetragonal crystals under conically distributed electric field. 2. The electric field and the optical beam parallel to the principal crystallographic directions

Abstract: Abstracts.We study the behaviour of topological defects (TDs) of optical indicatrix orientation under the conditions when electrooptic Pockels and Kerr nonlinearities coexist in the crystals belonging to cubic, hexagonal, trigonal and tetragonal systems and a conically shaped electric field is applied along the principal crystallographic and/or optic axes. The topological reactions accompanying the processes of birth, addition, division and annihilation of the TDs of optical indicatrix orientation are observed… Show more

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Cited by 3 publications
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“…This topological reaction can be written as 0=TD i +TD * i =1/2-1/2, where TD i and TD * i denote the defects having the same strength module and the opposite signs. A similar process has earlier been observed by us during the formation of TDs in the conical electric field [21]. The mechanical stresses increasing with further cooling could lead to 'pushing' the negative defects out of the sample.…”
Section: Resultssupporting
confidence: 80%
“…This topological reaction can be written as 0=TD i +TD * i =1/2-1/2, where TD i and TD * i denote the defects having the same strength module and the opposite signs. A similar process has earlier been observed by us during the formation of TDs in the conical electric field [21]. The mechanical stresses increasing with further cooling could lead to 'pushing' the negative defects out of the sample.…”
Section: Resultssupporting
confidence: 80%