ТИОГАЛЛАТ ЛИТИЯ LiGaS2 (LGS)

Химическая формула: LiGaS2
Группа симметрии: Pna21
Плотность (г/см3): 2.92
Твердость по шкале Мооса: 4
Диапазон прозрачности (мкм): 0.32 – 11.6
Оптическая стойкость (МВт/см2): >240 (1064 нм, 14 нс)
Показатель преломления: nx – 2.10149, ny – 2.14118,  nz – 2.14402 (1.064 мкм)

Нелинейные коэффициенты (пм/В): d31=5.8, d24=5.1 @2.3 мкм

Качество обработки: 30/20 (царапины/точки)
Плоскостность: λ/4 (546 нм)
Параллельность рабочих поверхностей: менее 40”

1. Isaenko L., Yelisseyev A., Lobanov S., Titov A, Petrov V., Zondy J.-J, Krinitsin P., Vedenyapin V., Smirnova J. Growth and properties of LiGaX2 (X=S,Se,Te) single crystals for nonlinear application in the mid-IR. Crystal Research and Technology 38 (2003) 379-387
https://onlinelibrary.wiley.com/doi/abs/10.1002/crat.200310047

2. L. Isaenko, I. Vasilyeva, A. Merkulov, A. Yelisseyev, S. Lobanov. Growth of new nonlinear crystals LiMX2(M=Al, In, Ga; X=S, Se, Te) for the mid-IR optics. Journal of Crystal Growth 275 (2005) 217–223
https://www.sciencedirect.com/science/article/pii/S0022024804014034

3. V. Petrov, A. Yelisseyev, L.Isaenko, S. Lobanov, A.Titov, J.-J. Zondy. Second harmonic generation and optical parametric amplification in the mid-IR with orthorhombic biaxial crystals LiGaS2 and LiGaSe2. Applied Physics B 78 (2004) 543-546
https://link.springer.com/article/10.1007/s00340-004-1463-0

 4. L. Isaenko, A.Yelisseyev, S. Lobanov, P. Krinitsin, V. Petrov, J.-J. Zondy. Ternary chalcogenides LiBC2 (B = In, Ga; C= S, Se, Te) for mid-IR nonlinear optics.  Journal of Non-Crystalline Solids 353 (2006) 2439-2443
https://www.sciencedirect.com/science/article/abs/pii/S0022309306005187?via%3Dihub

5. V.V. Atuchin, L.I. Isaenko, V.G. Kesler, S. Lobanov, H. Huang, Z.S. Lin, Electronic structure of LiGaS2, Solid State Communications 149 (2009) 572-575
https://www.sciencedirect.com/science/article/abs/pii/S0038109809000301

6. V.V. Atuchin, Z.S. Lin, L.I. Isaenko, V.G. Kesler, V.N. Kruchinin, S.I. Lobanov, Optical properties of LiGaS2: ab initio study and spectroscopic ellipsometry measurement Journal of Physics: Condensed Matter 21 (2009) 455502
https://iopscience.iop.org/article/10.1088/0953-8984/21/45/455502

7. V.V. Atuchin, L.I. Isaenko, V.G. Kesler, S.I. Lobanov. Core-level photoelectron spectroscopy of LiGaS2 and Ga-S bonding in complex sulfides. Journal of Alloys and Compounds 497 (2010) 244-248
https://www.sciencedirect.com/science/article/abs/pii/S0925838810005001

8. A. Yelisseyev, Z. S. Lin, M. Star ikova, L. Isaenko, S. Lobanov. Optical transitions due to native defects in nonlinear optical crystals LiGaS2. JOURNAL OF APPLIED PHYSICS 111 (2012) 113507 — 113507-11
https://aip.scitation.org/doi/abs/10.1063/1.4723645

9. Alexander P. Yelisseyev, Marina K. Starikova,Valery V. Korolev, Ludmila I. Isaenko, Sergey I. Lobanov. Photoluminescence of lithium thiogallate LiGaS2. JOSA B 29 (2012) 1-9
https://opg.optica.org/josab/abstract.cfm?uri=josab-29-5-1003

10. Aleksey Tyazhev, Vitaly Vedenyapin, Georgi Marchev, Ludmila Isaenko, Dmitri Kolker, Sergei Lobanov, Valentin Petrov, Alexander Yelisseyev, Marina Starikova, Jean-Jacques Zondy. Singly-resonant optical parametric oscillation based on the wide band-gap mid-IR nonlinear optical crystal LiGaS2, Optical Materials 35 (2013) 1612–1615
https://www.sciencedirect.com/science/article/abs/pii/S0925346713001705

11. L.I. Isaenko, A.P. Yelisseyev. Recent study of nonlinear crystals for the mid IR. Semiconductor Science and Technology 31 (2016) 123001
http://dx.doi.org/10.1088/0268-1242/31/12/123001

12. Valeri A. Drebushchak, Ludmila I. Isaenko, Sergey I. Lobanov, Pavel G. Krinitsin, Sergey A. Grazhdannikov. Experimental heat capacity of LiInS2, LiInSe2, LiGaS2, LiGaSe2 and LiGaTe2 from 180 to 460 K. Journal of Thermal Analysis and Calorimetry 129 (2017) 103-108
https://link.springer.com/article/10.1007/s10973-017-6176-9

13. Kiyoshi Kato, Kentaro Miyata, Ludmila Isaenko, Sergei Lobanov, Vitaliy Vedenyapin, Valentin Petrov. Phase-matching properties of LiGaS2 in the 1.025-10.5910 μm spectral range. Optics Letters, 42 (2017) 4363-4366
https://www.osapublishing.org/ol/abstract.cfm?uri=ol-42-21-4363

14. K. Kato, N. Umemura, L. Isaenko, S. Lobanov, V. Vedenyapin, K. Miyata, V. Petrov. Thermo-optic dispersion formula for LiGaS2. Applied Optics 58 (2019) 1519-1521
https://opg.optica.org/ao/abstract.cfm?uri=ao-58-6-1519

15. Aleksey Kurus, Sergei Lobanov, Sergey Grazhdannikov, Vladimir Shlegel, Ludmila Isaenko. LiGaS2 crystal growth under low temperature gradient conditions by the modified Bridgman method. Materials Science and Engineering: B 262 (2020) 114715
https://doi.org/10.1016/j.mseb.2020.114715

16. T.V. Vu, A.A. Lavrentyev, B.V. Gabrelian, D.D. Vo, P.D. Khang, L.I. Isaenko, S.I. Lobanov, A.F. Kurus’, O.Y. Khyzhun. Optical and electronic properties of lithium thiogallate (LiGaS2): experiment and theory. RSC Advances 10 (2020) 26843- 26852
https://pubs.rsc.org/en/content/articlelanding/2020/ra/d0ra03280h

17. S.N. Smetanin, M. Jelinek, V. Kubecek, A.F. Kurus, V.N. Vedenyapin, S.I. Lobanov, L.I. Isaenko. 50-μJ level, 20-picosecond, narrowband difference-frequency generation at 4.6, 5.4, 7.5, 9.2, and 10.8 μm in LiGaS2 and LiGaSe2 at Nd:YAG laser pumping and various crystalline Raman laser seedings. Optical Materials Express 10 (2020) 1881-1890
https://doi.org/10.1364/OME.395370

18. Alexey Kurus, Alexander Yelisseyev, Sergei Lobanov, Pavel Plyusnin, Maxim Molokeev, Leonid Solovyev, Dmitry Samoshkin, Sergei Stankus, Svetlana Melnikova and Lyudmila Isaenko. Thermophysical Properties of Lithium Thiogallate that Are Important for Optical Applications RSC Advances 11 (2021) 39177–39187
https://pubs.rsc.org/en/Content/ArticleLanding/2021/RA/D1RA05698K

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