Aspects for efficient wide spectral band THz generation via CO2 laser down conversion
| Parent link: | Proceedings of SPIE Vol. 9255 : XX International Symposium on High-Power Laser Systems and Applications 2014, Chengdu, China, August 25, 2014.— 2015.— [92554P, 9 p.] |
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| Співавтор: | |
| Інші автори: | , , , , |
| Резюме: | Title screen Detailed model study of THz generation by CO2 laser down-conversion in pure and solid solution crystals GaSe1-xSx is carried out for the first time. Both forward and backward collinear interactions of common (eo-e, oe-e, oe-o, oo-e, ee-o) and original (ee-e, oo-o) types are considered. Possibility of realization, phase matching angles and figure of merits are estimated for line mixing within 9 ?m and 10 ?m emission bands, as well between them. Dispersion properties of o- and e-wave refractive indices and absorption coefficients for GaSe, GaS and GaSe1-xSx crystals were preliminary measured by THz-TDS, approximated in the equation form and then used in the study. Estimated results are presented in the form of 3-D figures that are suitable for rapid analyses of DFG parameters. The most efficient type of interaction is eo-o type. Optimally doped (x = 0.09-0.13) GaSe1-xSx crystals are from 4 to 5 times more efficient at limit pump intensity than not doped GaSe crystals. Режим доступа: по договору с организацией-держателем ресурса |
| Мова: | Англійська |
| Опубліковано: |
2015
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| Предмети: | |
| Онлайн доступ: | http://dx.doi.org/10.1117/12.2065345 |
| Формат: | Електронний ресурс Частина з книги |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=644831 |
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| 200 | 1 | |a Aspects for efficient wide spectral band THz generation via CO2 laser down conversion |f Yu. N. Panchenko [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 330 | |a Detailed model study of THz generation by CO2 laser down-conversion in pure and solid solution crystals GaSe1-xSx is carried out for the first time. Both forward and backward collinear interactions of common (eo-e, oe-e, oe-o, oo-e, ee-o) and original (ee-e, oo-o) types are considered. Possibility of realization, phase matching angles and figure of merits are estimated for line mixing within 9 ?m and 10 ?m emission bands, as well between them. Dispersion properties of o- and e-wave refractive indices and absorption coefficients for GaSe, GaS and GaSe1-xSx crystals were preliminary measured by THz-TDS, approximated in the equation form and then used in the study. Estimated results are presented in the form of 3-D figures that are suitable for rapid analyses of DFG parameters. The most efficient type of interaction is eo-o type. Optimally doped (x = 0.09-0.13) GaSe1-xSx crystals are from 4 to 5 times more efficient at limit pump intensity than not doped GaSe crystals. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Proceedings of SPIE | ||
| 463 | |t Vol. 9255 : XX International Symposium on High-Power Laser Systems and Applications 2014, Chengdu, China, August 25, 2014 |v [92554P, 9 p.] |d 2015 | ||
| 610 | 1 | |a электронный ресурс | |
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| 701 | 1 | |a Andreev |b Yu. M. |g Yury Mikhaylovich | |
| 701 | 1 | |a Lansky |b G. V. |g Grigory Vladimirovich | |
| 701 | 1 | |a Losev |b V. F. |c specialist in the field of automation equipment and electronics |c Professor of Tomsk Polytechnic University, Doctor of physical and mathematical sciences |f 1950- |g Valery Fedorovich |3 (RuTPU)RU\TPU\pers\35594 | |
| 701 | 1 | |a Lubenko |b D. M. |g Dmitry Mikhaylovich | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет (ТПУ) |b Институт физики высоких технологий (ИФВТ) |b Кафедра сильноточной электроники (СЭ) |3 (RuTPU)RU\TPU\col\18691 |
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