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Non-critically phase-matched second harmonic generation and third order nonlinearity in organic crystal glucuronic acid gamma-lactone

Saripalli, Ravi Kiran and Katturi, Naga Krishnakanth and Soma, Venugopal Rao and Bhat, HL and Elizabeth, Suja (2017) Non-critically phase-matched second harmonic generation and third order nonlinearity in organic crystal glucuronic acid gamma-lactone. In: JOURNAL OF APPLIED PHYSICS, 122 (22).

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Official URL: http://dx.doi.org/10.1063/1.5008322

Abstract

The linear, second order, and third order nonlinear optical properties of glucuronic acid gamma-lactone single crystals were investigated. The optic axes and principal dielectric axes were identified through optical conoscopy and the principal refractive indices were obtained using the Brewster's angle method. Conic sections were observed which is perceived to be due to spontaneous non-collinear phase matching. The direction of collinear phase matching was determined and the d(eff) evaluated in this direction was 0.71 pm/V. Open and closed aperture Z-scan measurements with femtosecond pulses revealed high third order nonlinearity in the form of self-defocusing, two-photon absorption, as well as saturable absorption. Published by AIP Publishing.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the AMER INST PHYSICS, 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Depositing User: review EPrints Reviewer
Date Deposited: 12 Jan 2018 09:00
Last Modified: 12 Jan 2018 09:00
URI: http://eprints.iisc.ac.in/id/eprint/58693

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