Laser-induced damage threshold of BaGa4Se7 and BaGa2GeSe6 nonlinear crystals at 1.053&#x2009;&#x2009;&#x03BC;m

Nadezhda Y. Kostyukova; Andrey A. Boyko; Evgenii Y. Erushin; Anton I. Kostyukov; Valeriy V. Badikov; Dmitrii V. Badikov; Dmitry B. Kolker

doi:10.1364/JOSAB.36.002260

Journal of the Optical Society of America B
Vol. 36,
Issue 8,
pp. 2260-2265
(2019)
•https://doi.org/10.1364/JOSAB.36.002260

Laser-induced damage threshold of BaGa₄Se₇ and BaGa₂GeSe₆ nonlinear crystals at 1.053 μm

Nadezhda Y. Kostyukova, Andrey A. Boyko, Evgenii Y. Erushin, Anton I. Kostyukov, Valeriy V. Badikov, Dmitrii V. Badikov, and Dmitry B. Kolker

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Nadezhda Y. Kostyukova, Andrey A. Boyko, Evgenii Y. Erushin, Anton I. Kostyukov, Valeriy V. Badikov, Dmitrii V. Badikov, and Dmitry B. Kolker, "Laser-induced damage threshold of BaGa₄Se₇ and BaGa₂GeSe₆ nonlinear crystals at 1.053 μm," J. Opt. Soc. Am. B 36, 2260-2265 (2019)

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Table of Contents Category
- Nonlinear or High Field Optics
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About this Article
History
- Original Manuscript: March 26, 2019
- Revised Manuscript: July 2, 2019
- Manuscript Accepted: July 2, 2019
- Published: July 29, 2019

Abstract

We investigated the laser-induced damage threshold of two barium chalcogenides crystals, ${BaGa}_{4} {Se}_{7}$ and ${BaGa}_{2} {GeSe}_{6}$ , at 1.053 μm radiation with a pulse duration of 7–10 ns at different pulse repetition rates, namely, 100 Hz, 500 Hz, and 1 kHz. The R-on-1 procedure was applied to determine the 0% probability damage threshold. Both crystals have close values of surface damage threshold at 0.1 kHz, $299 MW / {cm}^{2}$ ( $2.28 J / {cm}^{2}$ ) for ${BaGa}_{2} {GeSe}_{6}$ , and $319 MW / {cm}^{2}$ ( $2.30 J / {cm}^{2}$ ) for ${BaGa}_{4} {Se}_{7}$ .

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	$f_{p}$ (kHz)	0,1	0,5	1,0
BGGSe	Damage on surface	9 sites	7 sites	7 sites,
		rear (5),	rear (5),	rear (6),
		front (1),	both (2)	front (1)
		both (3)
	$F_{0 %}$ ( $J / {cm}^{2}$ )	2.28	1.98	1.73
	$τ_{p}$ , (ns)	$7.6 \pm 0.5$	$8.2 \pm 0.8$	$8.6 \pm 0.7$
	$I_{0 %}$ ( $MW / {cm}^{2}$ )	299	241	201
	$F_{c 0 %}$ ( $J / {cm}^{2}$ ) corrected for $τ_{p}, = 8.3 ns$	2.38	1.99	1.70
BGSe	Damage on surface	7 sites	7 sites	7 sites
		rear (5),	rear (5),	rear (4),
		front (1),	both (2)	front (1),
		both (1)		both (2)
	$F_{0 %}$ ( $J / {cm}^{2}$ )	2.30	1.75	1.56
	$τ_{p}$ , (ns)	$7.2 \pm 0.4$	$8.3 \pm 0.5$	$10.0 \pm 0.3$
	$I_{0 %} (MW / {cm}^{2})$	319	211	156
	$F_{c 0 %}$ ( $J / {cm}^{2}$ ) corrected for $τ_{p}, = 8.3 ns$	2.47	1.75	1.42

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Journal of the Optical Society of America B