The real-time dynamic holographic display of LN:Bi,Mg crystals and defect-related electron mobility
LN:Bi, Mg 결정의 실시간 동적 홀로그램 표시 결함과 관련된 전자 이동률
La pantalla holográfica dinámica en tiempo real de cristales LN: Bi, Mg y movilidad de electrones relacionada con defectos
Affichage holographique dynamique en temps réel de la mobilité électronique liée aux défauts dans les cristaux ln: bi, mg
LN: Bi, Mg кристалл динамической голограммы в реальном времени
Shuolin Wang 王烁琳, Yidong Shan 单益东, Dahuai Zheng 郑大怀, Shiguo Liu 刘士国, Fang Bo 薄方, Hongde Liu 刘宏德, Yongfa Kong 孔勇发, Jingjun Xu 许京军
MOE Key Laboratory of Weak-Light Nonlinear Photonics, TEDA Institute of Applied Physics and School of Physics, Nankai University, Tianjin 300457, China
中国 天津 泰达应用物理研究院 南开大学物理学院 弱光非线性光子学教育部重点实验室
Opto-Electronic Advances, 27 July 2022

Holographic display has attracted widespread interest because of its ability to show the complete information of the object and bring people an unprecedented sense of presence. The absence of ideal recording materials has hampered the realization of their commercial applications.

Here we report that the response time of a bismuth and magnesium co-doped lithium niobate (LN:Bi,Mg) crystal is shortened to 7.2 ms and a sensitivity as high as 646 cm/J. The crystal was used to demonstrate a real-time holographic display with a refresh rate of 60 Hz, as that of the popular high-definition television.

Moreover, the first-principles calculations indicate that the electron mobility while Bi occupying Nb-site is significantly greater than that in Li-site, which directly induces the fast response of LN:Bi,Mg crystals when the concentration of Mg is above its doping threshold.
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