Topological ergodic dynamics of optical singularities in laser-induced speckle fields following "optical damage" of photorefractive LiNbO3: Fe crystal

被引：0
|
作者：
Soskin, Marat [1 ]
Vasil'ev, Vasyl [1 ]
机构：
[1] Inst Phys NAS Ukraine, UA-680028 Kiev, Ukraine
来源：
COMPLEX LIGHT AND OPTICAL FORCES VII | 2013年 / 8637卷
关键词：
singular optics; dynamics of optical singularities; optical vortex; polarization singularity; optical diabolos; loop and chain topological reactions; monstardom technique; regularities of topological dynamics; CATASTROPHE; BIRTH;
D O I：
10.1117/12.1000147
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
He-Ne laser (0.63 mkm) initiates developing singular speckle-fields due to "optical damage" in photorefractive LiNbO3: Fe crystal. They were investigated by techniques of dynamic stocks-polarimetry, monstardom and polarization characteristics of optical vortices combined with morphology of polarization singularities. Ergodicity of dynamic speckle-fields was found. It was shown that sign of C points coincides with speckle handedness they are nested; stars/monstar, lemon are underlined by negative/positive OVs. General regularities of dynamic elliptic speckle-fields development were established.
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页数：10
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