Terahertz time-domain polarimetry for principal optical axes of anisotropic crystals

A Mamrashev, F Minakov, N Nikolaev, V Antsygin - Photonics, 2021 - mdpi.com
We propose a method for measuring the terahertz properties for two principal optical axes of
anisotropic crystals without optical activity using terahertz time-domain spectroscopy (THz …

Angular non-critical phase-matching second harmonic generation with the Ba3 (ZnB5O10) PO4 crystal

Y Chen, J Wu, J Wang, S Ma, H Yu - Optical Materials, 2024 - Elsevier
The angular non-critical phase-matching (A-NCPM) second-harmonic-generation (SHG)
properties of Ba 3 (ZnB 5 O 10) PO 4 (BZBP) crystal were investigated. Based on the small …

Potential of Sub-THz-Wave Generation in Li2B4O7 Nonlinear Crystal at Room and Cryogenic Temperatures

D Ezhov, S Turgeneva, N Nikolaev, A Mamrashev… - Crystals, 2021 - mdpi.com
Due to their high optical damage threshold, borate crystals can be used for the efficient
nonlinear down-conversion of terawatt laser radiation into the terahertz (THz) frequency …

β-BBO, LBO, AND KTP nonlinear crystals as sources of millimeter-wave radiation

NA Nikolaev, GV Lansky, YM Andreev, DM Ezhov… - Russian Physics …, 2020 - Springer
The refractive indices and the absorption coefficients of β-BBO, LBO, and KTP nonlinear
optical crystals have been measured in the wavelength range of 0.5–3 mm at temperatures …

[PDF][PDF] Oxide nonlinear crystals: optical properties and phase-matching for terahertz wave generation

OI Potaturkin, VD Antsygin… - EPJ Web of …, 2018 - epj-conferences.org
Oxide nonlinear crystals such as beta-barium borate (β-BaB2O4 or β-BBO), potassium
titanyl phosphate (KTiOPO4 or KTP), potassium titanyl arsenate (KTiOAsO4 or KTA) are …

Millimetre-wave range optical properties of BIBO

NA Nikolaev, AA Mamrashev… - Journal of Physics …, 2021 - iopscience.iop.org
We present the thorough studies of optical properties of BiB 3 O 6 (BIBO) crystal in the
millimeter-wave (subterahertz) range. We observe a large birefringence Δn= n Zn X= 1.5 …

The dielectric tensor rotation angle and optical properties of a nonlinear crystal of bismuth triborate in the millimeter-wave range

NA Nikolaev, AA Mamrashev… - … on Pulsed Lasers …, 2021 - spiedigitallibrary.org
We present the thorough studies of dielectric properties of BiB 3 O 6 (BIBO) crystal in the
subterahertz range. We observe a large birefringence Δn= n Z− n X= 1.5 and the values of …

Кристаллы β-BBO, LBO и KTP как источники миллиметрового излучения

НА Николаев, ГВ Ланский, ЮМ Андреев… - Известия высших …, 2020 - elibrary.ru
Измерены значения показателей преломления и коэффициентов поглощения
нелинейных кристаллов β-BBO, LBO и KTP в диапазоне длин волн 1-3 мм при …

Terahertz dielectric properties of guanylurea hydrogen phosphite crystal

AS Sinko, IA Ozheredov, PM Solyankin… - … Waves (IRMMW-THz …, 2021 - ieeexplore.ieee.org
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 …

[PDF][PDF] Terahertz Time-Domain Polarimetry for Principal Optical Axes of Anisotropic Crystals. Photonics 2021, 8, 213

A Mamrashev, F Minakov, N Nikolaev, V Antsygin - 2021 - academia.edu
We propose a method for measuring the terahertz properties for two principal optical axes of
anisotropic crystals without optical activity using terahertz time-domain spectroscopy (THz …