Journal of Synthetic Crystals, Volume. 49, Issue 10, 1776(2020)

Growth of 70% DKDP Crystal by Directional Growth of Point Seed

HU Ziyu1,2、*, ZHANG Min2, LIN Xiuqin2, QI Yingkun2, LU Junye2, LI Jingwen2,3, and ZHENG Guozong2
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
  • 3[in Chinese]
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    The rapid growth of KDP-type crystals mainly adopts the point seed rapid growth method. The three-dimensional point seed will inevitably lead to the pyramid-prism boundary, which affects the performance and quality of the crystals. In this paper, the traditional rapid growth of point seed method was improved by the designed platform, and the 70% DKDP crystal was successfully grown by the directional growth of point seed. Avoiding the pyramid-prism boundary of the growing crystals, slices were taken, of which the deuterium content, transmittance, laser damage resistance and optical homogeneity were tested. The results show that the deuterium content of the crystals meets the design requirements, the transmittance and laser damage resistance of the crystals are consistent with those of the crystals grown by the traditional rapid growth of point seed. The results of optical homogeneity show that there is no pyramid-prism boundary in the slices, which will guide the growth of large diameter 70% DKDP crystal.

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    HU Ziyu, ZHANG Min, LIN Xiuqin, QI Yingkun, LU Junye, LI Jingwen, ZHENG Guozong. Growth of 70% DKDP Crystal by Directional Growth of Point Seed[J]. Journal of Synthetic Crystals, 2020, 49(10): 1776

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    Paper Information

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    Received: --

    Accepted: --

    Published Online: Jan. 9, 2021

    The Author Email: Ziyu HU (huziyu@fjirsm.ac.cn)

    DOI:

    CSTR:32186.14.

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