Recalibration of the nonlinear optical coefficients of BaGa₄Se₇ crystal using second-harmonic-generation method

Posted on 24.11.2021 - 14:32
Nonlinear optical coefficients are important parameters for nonlinear optical crystals. Based on the previously disclosed BaGa₄Se₇ crystal coefficients, the optimum phase-matching direction with the largest effective nonlinear optical coefficient appears in the second octant (90° < θ < 180°, 0° < Φ < 90°). In this study, a recalibration was performed using second-harmonic-generation method, and it was confirmed that the optimum phase-matching direction of the BaGa₄Se₇ crystal is located in its XZ principal plane (Φ = 0°). Therefore, this study will serve as a good reference for future applications of this excellent crystal.

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Zhao, XueZhi; Bai, Jinzhou; li, chunxiao; wang, zhengping; Yao, Jiyong; Tan, Rongqing; et al. (2021): Recalibration of the nonlinear optical coefficients of BaGa₄Se₇ crystal using second-harmonic-generation method. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.5697136.v4
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AUTHORS (7)

XueZhi Zhao
Jinzhou Bai
chunxiao li
zhengping wang
Jiyong Yao
Rongqing Tan
Xin-guang Xu

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