Absorption modification by laser irradiation in DKDP crystals

Xiaocong Peng; Yuanan Zhao; Yueliang Wang; Guohang Hu; Liujiang Yang; Jianda Shao

doi:10.3788/COL201816.051601

Journals >Chinese Optics Letters >Volume 16 >Issue 5 >Page 051601 > Article

Chinese Optics Letters
Vol. 16, Issue 5, 051601 (2018)

Absorption modification by laser irradiation in DKDP crystals

Xiaocong Peng^1,2, Yuanan Zhao^1,3,*, Yueliang Wang^1,2,4, Guohang Hu¹..., Liujiang Yang¹ and Jianda Shao¹|Show fewer author(s)

Author Affiliations

¹Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

²University of Chinese Academy of Sciences, Beijing 100049, China

³State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

⁴National Engineering Laboratory for Modern Materials Surface Engineering Technology, Guangdong Institute of New Materials, Guangzhou 510650, China

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DOI: 10.3788/COL201816.051601 Cite this Article Set citation alerts

Xiaocong Peng, Yuanan Zhao, Yueliang Wang, Guohang Hu, Liujiang Yang, Jianda Shao, "Absorption modification by laser irradiation in DKDP crystals," Chin. Opt. Lett. 16, 051601 (2018) Copy Citation Text

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Fig. 1. One-on-one damage probability curves of three kinds of samples.

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Fig. 2. Typical Z-scan curves for three kinds of samples. The dotted lines represent the theoretical fitting. The dots represent experimental data.

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Procedure	Scattering Decrease (%)	Transmittance Increase (%)
Sub-ns laser conditioning	86.25	0.423
ns laser conditioning	81.91	0.438

Table 1. Transmittance Increase and Scattering Defects Decrease by Two Types of Laser Conditioning Procedures

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Sample	$γ (10^{- 6} {cm}^{5} / {GW}^{3})$
Pristine	$4.90 \pm 0.99$
ns laser conditioned	$4.81 \pm 1.37$
Sub-ns laser conditioned	$2.53 \pm 0.98$

Table 2. 4PA Coefficients of the Three Types of Samples

Xiaocong Peng, Yuanan Zhao, Yueliang Wang, Guohang Hu, Liujiang Yang, Jianda Shao, "Absorption modification by laser irradiation in DKDP crystals," Chin. Opt. Lett. 16, 051601 (2018)

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