Parity violation in chiral structure creation under femtosecond laser irradiation in silica glass?

Bertrand Poumellec; Matthieu Lancry; Rudy Desmarchelier; Evelyne Hervé; Bernard Bourguignon

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Parity violation in chiral structure creation under femtosecond laser irradiation in silica glass?

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The paper addresses the creation of circular optical properties from a femtosecond laser light beam with a linear polarization in an achiral material(glass)under an orthogonal incidence.In this situation,all aspects of the experiment are achiral and therefore should not give rise to chiral property creation.From that observation,we propose an interpretation that involves the action of a light-induced torque on the matter carrying a light-induced dielectric moment.We found that a direct current(DC)electric field could be produced in the lattice by the femtosecond laser in our conditions and that a non-collinear dielectric moment is created by a nonlinear effect between the DC electric field and the stress field due to the transformation of the material.We reveal that it is possible to break the chiral symmetry of glass using an intense,ultrashort laser light pulse.

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来源
《光：科学与应用（英文版）》 |2016年第1期|371-377|共7页
作者
Bertrand Poumellec; Matthieu Lancry; Rudy Desmarchelier; Evelyne Hervé; Bernard Bourguignon;
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作者单位

SP2M/ICMMO;

CNRS-UPSud;

UniversitéParis Sud;

UniversitéParis Saclay;

Bâtiment 410;

Orsay 91405 Cedex;

France;

Centre des matériaux;

Mines Paris;

Paristech;

UMR CNRS-UPMC 7633;

BP87;

Evry F-91003 Cedex;

France;

ISMO;

CNRS-UPSud;

UniversitéParis Sud;

UniversitéParis Saclay;

Bâtiment 210;

Orsay 91405 Cedex;

France;

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原文格式 PDF
正文语种 chi
中图分类光电子技术、激光技术;
关键词
chirality; chiroptical properties; circular dichroism; femtosecond laser processing; glass; optical rotation; silica;

Parity violation in chiral structure creation under femtosecond laser irradiation in silica glass?

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