Antisymmetric Distribution of Permanent Refractive Index Change in β-BaB2O4 Crystal Under Exposure of Femtosecond Pulses.

A.G. Okhrimchuk; S.G. Grechin; A.E. Kokh; V. Mezentsev

doi:10.1051/matecconf/20130802003

All issues

Volume 8 (2013)

MATEC Web of Conferences, 8 (2013) 02003

Abstract

Open Access

Issue		MATEC Web of Conferences Volume 8, 2013 Progress in Ultrafast Laser Modifications of Materials


Article Number		02003
Number of page(s)		2
Section		Femtosecond laser-induced modifications in various materials
DOI		https://doi.org/10.1051/matecconf/20130802003
Published online		18 November 2013

MATEC Web of Conferences 8, 02003 (2013)

Antisymmetric Distribution of Permanent Refractive Index Change in β-BaB₂O₄ Crystal Under Exposure of Femtosecond Pulses.

A.G. Okhrimchuk¹^*, S.G. Grechin², A.E. Kokh³ and V. Mezentsev⁴

¹ Fiber Optics Research Center of RAS, 38 Vavilova Street, Moscow 119333, Russia
² Bauman Moscow State Technical University, 5 2-nd Bauman Street, Moscow, 107005, Russia
³ Sobolev Institute of Geology and Minerology of SB RAS, 3 Acad. Koptyugina Ave. Novosibirsk 630090, Russia
⁴ Aston University, Aston Triangle, Birmingham, B4 7ET, UK

^* e-mail: a.okhrimchuk@aston.ac.uk

Abstract

We have observed unusual asymmetrical refractive index change as a result of femtosecond laser inscription in a crystal without center of inversion. Profile of the refractive index change exhibits sign turn within the domain of femtosecond pulse exposure.

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