Terahertz dielectric properties of guanylurea hydrogen phosphite crystal

Авторы: Sinko Anton S., Ozheredov Ilya A., Solyankin Peter M., Kargovsky Alexey V., Manomenova Vera L., Rudneva Elena B., Kozlova Natalia N., Sorokina Natalia I., Kuznetsov Sergei A., Minakov Fedor A., Mamrashev Alexander A., Nikolaev Nazar A., Voloshin Alexey E., Shkurinov Alexander P.
Сборник: 2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)
Год издания: 2021
Место издания: IEEE Chengdu, China
Первая страница: 1
Последняя страница: 2
DOI: 10.1109/irmmw-thz50926.2021.9567236
Аннотация: The monoclinic crystal of guanylurea(1+) hydrogen phosphite (GUHP) is a novel efficient nonlinear-optical medium having high χ (3) and χ (2) values. We used THz-TDS with high polarization contrast to study the absorption coefficient and the refractive index of the crystal in the range of 0.2—1.5 THz. We found that the dielectric frame xyz at 1 THz is rotated 16 degrees from the visible range. Absorption spectra show peaks at 0.93, 1.02, and 1.45 THz representing high-Q resonances. The last two modes show very high Raman activity that can be associated with the interlayer collective movement of the crystal. We assume that GUHP has the potential to be a basis for active and passive terahertz devices manufacturing.
Добавил в систему: Синько Антон Сергеевич

	ИСТИНА	Войти в систему Регистрация
	ИСТИНА ИНХС РАН
	Главная Поиск Статистика О проекте Помощь

ИСТИНА