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Optical Engineering

Glucuronic acid γ-lactone: an organic nonlinear optical crystal with high laser-induced damage threshold
Author(s): Ravi Kiran Saripalli; Handady L. Bhat; Suja Elizabeth
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Paper Abstract

Laser applications of nonlinear optical (NLO) crystals are limited by their laser damage threshold. We report a detailed study of the laser damage threshold of an NLO crystal glucuronic acid γ-lactone. Second-harmonic generation efficiency of glucuronic acid γ-lactone was estimated to be 3.5 times that of standard potassium dihydrogen phosphate. Conic sections due to spontaneous noncollinear phase matching were observed. Surface laser damage studies carried out for 1064-nm radiation on a (010) plate of the crystal yielded high-threshold values of 77.72±0.27 and 32.72±0.41  GW/cm2 for single- and multiple-shot damages, respectively. The possible mechanisms for the laser-induced damage are discussed.

Paper Details

Date Published: 7 November 2016
PDF: 5 pages
Opt. Eng. 56(1) 011025 doi: 10.1117/1.OE.56.1.011025
Published in: Optical Engineering Volume 56, Issue 1
Show Author Affiliations
Ravi Kiran Saripalli, Indian Institute of Science (India)
Handady L. Bhat, Indian Institute of Science (India)
Ctr. for Nano and Soft Matter Sciences (India)
Suja Elizabeth, Indian Institute of Science (India)

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