Abgaryan, G.K. “FREQUENCY TUNABLE THz-GENERATION IN PERIODICALLY POLED LITHIUM NIOBATE CRYSTAL”. Proceedings of the YSU A: Physical and Mathematical Sciences 48, no. 2 (234) (July 10, 2014): 46–49. Accessed October 31, 2024. https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol48_no2_2014_pp046-049.