BaGa2GeS6
1. E.Yu. Erushin, S.E. Sere, M.V. Vostrikova, A.A. Boyko, G.S. Shevyrdyaeva, D.V. Badikov, A.A. Karapuzikov, N.Yu. Kostyukova, An optical parametric oscillator based on BaGa2GeS6 with energy exceeding 2 mJ at 6.45 μm, Infrared Physics & Technology, Volume 154, 2026, 106393, ISSN 1350-4495,
https://doi.org/10.1016/j.infrared.2026.106393.
2. Kinyaevskiy, I.O., Ionin, M.V., Koribut, A.V. et al. Generation of Broadband Femtosecond Pulses in the Mid-Infrared Range by Difference-Frequency Generation of Ti:Sapphire Laser Pulses in a BaGa2GeS6 Crystal. Jetp Lett. 122, 659–664 (2025). https://doi.org/10.1134/S0021364025609546
3. E S Zatsepin, A V Veselovskiy, A S Sabanin, D V Badikov, G Kh Kitaeva, S P Kulik and A V Paterova, Generation of spontaneous parametric down conversion from BaGa2GeS6 crystal, Laser Physics Letters, Volume 23, Number 1.
https://doi.org/10.1088/1612-202X/ae2df9
4. E.Yu. Erushin, S.E. Sere, M.V. Vostrikova, A.A. Boyko, G.S. Shevyrdyaeva, D.V. Badikov, N.Yu. Kostyukova, Widely tunable mid-infrared BaGa2GeS6 optical parametric oscillator pumped at 1064 nm by Nd:YAG laser, Optical Materials, Volume 169, 2026,
https://doi.org/10.1016/j.optmat.2025.117610
5. D. Z. Suleimanova, Ekaterina Migal, Dmitry Badikov, Fedor Potemkin; Generation of narrowband terahertz radiation in novel quaternary BaGa2GeS6 and BaGa2GeSe6 crystals. Conference: IX International Conference on Ultrafast Optical Science UltrafastLight-2025, At: Lebedev Physical Institute, Moscow, Sep 2025.
https://www.researchgate.net/publication/400430932
6. M. V. Ionin, I. O. Kinyaevskiy, A. V. Koribut, Ya. V. Grudtsyn and D. V. Badikov, Generation of femtosecond pulses within wavelength range from 5.2 to 10 μm with BaGa2GeS6 nonlinear crystal, IX International Conference on Ultrafast Optical Science UltrafastLight-2025, September 2025.
https://www.researchgate.net/publication/400430282
7. E. Yu. Erushin, S. E. Sere, M. V. Vostrikova, A. A. Boyko, G. S. Shevyrdyaeva, D. V. Badikov and N. Yu. Kostyukova. Widely tunable in the mid-IR BaGa2GeS6 optical parametric oscillator. Conference: IX International Conference on Ultrafast Optical Science UltrafastLight-2025. Lebedev Physical Institute, Moscow, Sep 2025
https://www.researchgate.net/publication/400430211
8. E. Erushin, S. Sere, M. Vostrikova, A. Boyko, G. Shevyrdyaeva, D. Badikov, N. Kostyukova. Mid-infrared optical parametric oscillator based onBaGa2GeS6 crystal. Conference: 32nd INTERNAT IONAL CONFERENCE "ADVANCED LASER TECHNOLOGIES" (ALT’25). Sep 2025
https://www.researchgate.net/publication/400430487
9. Evgenii Erushin, Dmitry Badikov, Kostyukov Anton, Andrey Boyko, Galina Shevyrdyaeva, Gadzhimet Safaraliev & Nadezhda Kostyukova. Laser-induced damage threshold of sulfur-containing crystals of barium chalcogenides. Applied Physics B, 131, 11 (2025).
https://doi.org/10.1007/s00340-024-08374-y
10. E.Y. Erushin, A.A. Boyko, G.S. Shevyrdyaeva, D.V. Badikov, N.Y. Kostyukova. Nonlinear absorption and refraction study of barium chalcogenide crystals. Optical Materials, Volume 157, Part 2, 2024, 116275, ISSN 0925-3467,
https://doi.org/10.1016/j.optmat.2024.116275
11. E. A. Migal, D. Z. Suleimanova, D. V. Badikov, and F. V. Potemkin, "Unlocking superior performance of broadband powerful mid-IR optical parametric amplifiers with a BaGa2GeS6 crystal pumped at 1.24 µm," Opt. Lett. 49, 4537-4540 (2024)
https://doi.org/10.1364/OL.533745
12. Ionin, M.V., Ionin, A.A., Kinyaevsky, I.O. et al. A Study of Effective Nonlinearity of BaGa2GeS6 Crystal by CO Laser Sum-Frequency Generation with Type-I and Type-II Phase Matching. Bull. Lebedev Phys. Inst. 51 (Suppl 10), S862–S869 (2024). https://doi.org/10.3103/S1068335624601365
13. E. A. Migal, D. Z. Suleimanova, D. V. Badikov and F. V. Potemkin. Gigawatt few-cycle mid-IR pulses generated from advanced non-oxide nonlinear crystals. 2024 International Conference Laser Optics (ICLO), Saint Petersburg, Russian Federation, 2024, pp. 276-276,
http://dx.doi.org/10.1109/iclo59702.2024.10624459
14. Kostyukova, N.; Erushin, E.; Boyko, A.; Shevyrdyaeva, G.; Badikov, D. Barium Chalcogenide Crystals: A Review. Photonics 2024, 11, 281.
https://doi.org/10.3390/photonics11030281
15. Kiyoshi Kato, Nobuhiro Umemura, Valeriy V. Badikov, Dmitrii V. Badikov, Takayuki Okamoto, Kentaro Miyata, and Valentin Petrov. Sellmeier and thermo-optic dispersion formulas for BaGa2GeS6. Proc. SPIE 12405, Nonlinear Frequency Generation and Conversion: Materials and Devices XXII, 124050E (14 March 2023).
https://doi.org/10.1117/12.2648272
16. Kiyoshi Kato, Nobuhiro Umemura, Valeriy V. Badikov, Dmitrii V. Badikov, and Valentin Petrov, "Temperature-dependent phase-matching properties of BaGa2GeS6 in the 0.767–10.5910 µm spectral range," Appl. Opt. 61, 10774-10777 (2022)
https://doi.org/10.1364/AO.476853
17. Valentin Petrov, Valeriy V. Badikov, Dmitrii V. Badikov, Kiyoshi Kato, Galina S. Shevyrdyaeva, Kentaro Miyata, Mark Mero, Li Wang, Zsuzsanna Heiner, and Vladimir L. Panyutin, "Barium nonlinear optical crystals for the mid-IR: characterization and some applications," J. Opt. Soc. Am. B 38, B46-B58 (2021)
https://doi.org/10.1364/JOSAB.425169
18. J. Wei, V. Badikov, V. Petrov, and S. Guha, "Measurement of Thermal Properties of Nonlinear Optical Materials over a Wide Temperature Range," in Advanced Photonics 2018 (BGPP, IPR, NP, NOMA, Sensors, Networks, SPPCom, SOF), OSA Technical Digest (online) (Optica Publishing Group, 2018), paper NoM3J.3.
https://doi.org/10.1364/NOMA.2018.NoM3J.3
19. V. V. Badikov, D. V. Badikov, V. B. Laptev, K. V. Mitin, G. S. Shevyrdyaeva, N. I. Shchebetova, and V. Petrov, "Quaternary BaGa2GeS6 and BaGa2GeSе6 Nonlinear Crystals for the Mid-IR Spectral Range," in Lasers Congress 2016 (ASSL, LSC, LAC), OSA Technical Digest (online) (Optica Publishing Group, 2016), paper ATu5A.2.
https://doi.org/10.1364/ASSL.2016.ATu5A.2
20. Valeriy V. Badikov, Dmitrii V. Badikov, Vladimir B. Laptev, Konstantin V. Mitin, Galina S. Shevyrdyaeva, Nadezhda I. Shchebetova, and Valentin Petrov, "Crystal growth and characterization of new quaternary chalcogenide nonlinear crystals for the mid-IR: BaGa2GeS6 and BaGa2GeSe6," Opt. Mater. Express 6, 2933-2938 (2016)
1. E.Yu. Erushin, S.E. Sere, M.V. Vostrikova, A.A. Boyko, G.S. Shevyrdyaeva, D.V. Badikov, A.A. Karapuzikov, N.Yu. Kostyukova, An optical parametric oscillator based on BaGa2GeS6 with energy exceeding 2 mJ at 6.45 μm, Infrared Physics & Technology, Volume 154, 2026, 106393, ISSN 1350-4495,
https://doi.org/10.1016/j.infrared.2026.106393.
2. Kinyaevskiy, I.O., Ionin, M.V., Koribut, A.V. et al. Generation of Broadband Femtosecond Pulses in the Mid-Infrared Range by Difference-Frequency Generation of Ti:Sapphire Laser Pulses in a BaGa2GeS6 Crystal. Jetp Lett. 122, 659–664 (2025). https://doi.org/10.1134/S0021364025609546
3. E S Zatsepin, A V Veselovskiy, A S Sabanin, D V Badikov, G Kh Kitaeva, S P Kulik and A V Paterova, Generation of spontaneous parametric down conversion from BaGa2GeS6 crystal, Laser Physics Letters, Volume 23, Number 1.
https://doi.org/10.1088/1612-202X/ae2df9
4. E.Yu. Erushin, S.E. Sere, M.V. Vostrikova, A.A. Boyko, G.S. Shevyrdyaeva, D.V. Badikov, N.Yu. Kostyukova, Widely tunable mid-infrared BaGa2GeS6 optical parametric oscillator pumped at 1064 nm by Nd:YAG laser, Optical Materials, Volume 169, 2026,
https://doi.org/10.1016/j.optmat.2025.117610
5. D. Z. Suleimanova, Ekaterina Migal, Dmitry Badikov, Fedor Potemkin; Generation of narrowband terahertz radiation in novel quaternary BaGa2GeS6 and BaGa2GeSe6 crystals. Conference: IX International Conference on Ultrafast Optical Science UltrafastLight-2025, At: Lebedev Physical Institute, Moscow, Sep 2025.
https://www.researchgate.net/publication/400430932
6. M. V. Ionin, I. O. Kinyaevskiy, A. V. Koribut, Ya. V. Grudtsyn and D. V. Badikov, Generation of femtosecond pulses within wavelength range from 5.2 to 10 μm with BaGa2GeS6 nonlinear crystal, IX International Conference on Ultrafast Optical Science UltrafastLight-2025, September 2025.
https://www.researchgate.net/publication/400430282
7. E. Yu. Erushin, S. E. Sere, M. V. Vostrikova, A. A. Boyko, G. S. Shevyrdyaeva, D. V. Badikov and N. Yu. Kostyukova. Widely tunable in the mid-IR BaGa2GeS6 optical parametric oscillator. Conference: IX International Conference on Ultrafast Optical Science UltrafastLight-2025. Lebedev Physical Institute, Moscow, Sep 2025
https://www.researchgate.net/publication/400430211
8. E. Erushin, S. Sere, M. Vostrikova, A. Boyko, G. Shevyrdyaeva, D. Badikov, N. Kostyukova. Mid-infrared optical parametric oscillator based onBaGa2GeS6 crystal. Conference: 32nd INTERNAT IONAL CONFERENCE "ADVANCED LASER TECHNOLOGIES" (ALT’25). Sep 2025
https://www.researchgate.net/publication/400430487
9. Evgenii Erushin, Dmitry Badikov, Kostyukov Anton, Andrey Boyko, Galina Shevyrdyaeva, Gadzhimet Safaraliev & Nadezhda Kostyukova. Laser-induced damage threshold of sulfur-containing crystals of barium chalcogenides. Applied Physics B, 131, 11 (2025).
https://doi.org/10.1007/s00340-024-08374-y
10. E.Y. Erushin, A.A. Boyko, G.S. Shevyrdyaeva, D.V. Badikov, N.Y. Kostyukova. Nonlinear absorption and refraction study of barium chalcogenide crystals. Optical Materials, Volume 157, Part 2, 2024, 116275, ISSN 0925-3467,
https://doi.org/10.1016/j.optmat.2024.116275
11. E. A. Migal, D. Z. Suleimanova, D. V. Badikov, and F. V. Potemkin, "Unlocking superior performance of broadband powerful mid-IR optical parametric amplifiers with a BaGa2GeS6 crystal pumped at 1.24 µm," Opt. Lett. 49, 4537-4540 (2024)
https://doi.org/10.1364/OL.533745
12. Ionin, M.V., Ionin, A.A., Kinyaevsky, I.O. et al. A Study of Effective Nonlinearity of BaGa2GeS6 Crystal by CO Laser Sum-Frequency Generation with Type-I and Type-II Phase Matching. Bull. Lebedev Phys. Inst. 51 (Suppl 10), S862–S869 (2024). https://doi.org/10.3103/S1068335624601365
13. E. A. Migal, D. Z. Suleimanova, D. V. Badikov and F. V. Potemkin. Gigawatt few-cycle mid-IR pulses generated from advanced non-oxide nonlinear crystals. 2024 International Conference Laser Optics (ICLO), Saint Petersburg, Russian Federation, 2024, pp. 276-276,
http://dx.doi.org/10.1109/iclo59702.2024.10624459
14. Kostyukova, N.; Erushin, E.; Boyko, A.; Shevyrdyaeva, G.; Badikov, D. Barium Chalcogenide Crystals: A Review. Photonics 2024, 11, 281.
https://doi.org/10.3390/photonics11030281
15. Kiyoshi Kato, Nobuhiro Umemura, Valeriy V. Badikov, Dmitrii V. Badikov, Takayuki Okamoto, Kentaro Miyata, and Valentin Petrov. Sellmeier and thermo-optic dispersion formulas for BaGa2GeS6. Proc. SPIE 12405, Nonlinear Frequency Generation and Conversion: Materials and Devices XXII, 124050E (14 March 2023).
https://doi.org/10.1117/12.2648272
16. Kiyoshi Kato, Nobuhiro Umemura, Valeriy V. Badikov, Dmitrii V. Badikov, and Valentin Petrov, "Temperature-dependent phase-matching properties of BaGa2GeS6 in the 0.767–10.5910 µm spectral range," Appl. Opt. 61, 10774-10777 (2022)
https://doi.org/10.1364/AO.476853
17. Valentin Petrov, Valeriy V. Badikov, Dmitrii V. Badikov, Kiyoshi Kato, Galina S. Shevyrdyaeva, Kentaro Miyata, Mark Mero, Li Wang, Zsuzsanna Heiner, and Vladimir L. Panyutin, "Barium nonlinear optical crystals for the mid-IR: characterization and some applications," J. Opt. Soc. Am. B 38, B46-B58 (2021)
https://doi.org/10.1364/JOSAB.425169
18. J. Wei, V. Badikov, V. Petrov, and S. Guha, "Measurement of Thermal Properties of Nonlinear Optical Materials over a Wide Temperature Range," in Advanced Photonics 2018 (BGPP, IPR, NP, NOMA, Sensors, Networks, SPPCom, SOF), OSA Technical Digest (online) (Optica Publishing Group, 2018), paper NoM3J.3.
https://doi.org/10.1364/NOMA.2018.NoM3J.3
19. V. V. Badikov, D. V. Badikov, V. B. Laptev, K. V. Mitin, G. S. Shevyrdyaeva, N. I. Shchebetova, and V. Petrov, "Quaternary BaGa2GeS6 and BaGa2GeSе6 Nonlinear Crystals for the Mid-IR Spectral Range," in Lasers Congress 2016 (ASSL, LSC, LAC), OSA Technical Digest (online) (Optica Publishing Group, 2016), paper ATu5A.2.
https://doi.org/10.1364/ASSL.2016.ATu5A.2
20. Valeriy V. Badikov, Dmitrii V. Badikov, Vladimir B. Laptev, Konstantin V. Mitin, Galina S. Shevyrdyaeva, Nadezhda I. Shchebetova, and Valentin Petrov, "Crystal growth and characterization of new quaternary chalcogenide nonlinear crystals for the mid-IR: BaGa2GeS6 and BaGa2GeSe6," Opt. Mater. Express 6, 2933-2938 (2016)
