Asymmetric phase anomaly of terajet generated from dielectric cube under oblique illumination; Applied Physics Letters; Vol. 110, iss. 20
| Parent link: | Applied Physics Letters.— , 1962- Vol. 110, iss. 20.— 2017.— [201105, 5 p.] |
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| Müşterek Yazar: | |
| Diğer Yazarlar: | , , , , |
| Özet: | Title screen The terajet, a jet in the terahertz (THz, 0.1-10 THz) region, has attracted considerable research interest owing to its capability to compress beams to subwavelength hotspots. Here, we report a finding of an abnormal asymmetric Gouy phase anomaly in a terajet generated from a Teflon (n = 1.46) cube illuminated by the TM-mode oblique incidences. This asymmetric Gouy phase anomaly causes an interesting deviation angle between the normal of the phase distribution of the Gouy phase anomaly and the propagation direction of the incident beam at the position where the terajet is generated. This deviation angle exponentially decreases as THz waves propagate over several wavelengths. The output angle of the generated terajet, which is evaluated based on the experimental peak values of the amplitude distribution, shows linearity and is identical to the input angle of the incident beam. The full width at half maximum is also maintained within a wavelength for wide angles (45°) of oblique illuminations. Режим доступа: по договору с организацией-держателем ресурса |
| Dil: | İngilizce |
| Baskı/Yayın Bilgisi: |
2017
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| Konular: | |
| Online Erişim: | http://dx.doi.org/10.1063/1.4983640 |
| Materyal Türü: | Elektronik Kitap Bölümü |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=655157 |
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| 200 | 1 | |a Asymmetric phase anomaly of terajet generated from dielectric cube under oblique illumination |f Nguyen Pham Hai Huy [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 23 tit.] | ||
| 330 | |a The terajet, a jet in the terahertz (THz, 0.1-10 THz) region, has attracted considerable research interest owing to its capability to compress beams to subwavelength hotspots. Here, we report a finding of an abnormal asymmetric Gouy phase anomaly in a terajet generated from a Teflon (n = 1.46) cube illuminated by the TM-mode oblique incidences. This asymmetric Gouy phase anomaly causes an interesting deviation angle between the normal of the phase distribution of the Gouy phase anomaly and the propagation direction of the incident beam at the position where the terajet is generated. This deviation angle exponentially decreases as THz waves propagate over several wavelengths. The output angle of the generated terajet, which is evaluated based on the experimental peak values of the amplitude distribution, shows linearity and is identical to the input angle of the incident beam. The full width at half maximum is also maintained within a wavelength for wide angles (45°) of oblique illuminations. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Applied Physics Letters |d 1962- | ||
| 463 | |t Vol. 110, iss. 20 |v [201105, 5 p.] |d 2017 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 701 | 0 | |a Nguyen Pham Hai Huy | |
| 701 | 1 | |a Hisatake |b Sh. |g Shintaro | |
| 701 | 1 | |a Minin |b O. V. |c physicist |c professor of Tomsk Polytechnic University, Doctor of technical sciences |f 1960- |g Oleg Vladilenovich |3 (RuTPU)RU\TPU\pers\44941 | |
| 701 | 1 | |a Nagatsuma |b T. |g Tadao | |
| 701 | 1 | |a Minin |b I. V. |c physicist |c Senior researcherof Tomsk Polytechnic University, Doctor of technical sciences |f 1960- |g Igor Vladilenovich |3 (RuTPU)RU\TPU\pers\37571 | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |c (2009- ) |9 26305 |
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| 856 | 4 | |u http://dx.doi.org/10.1063/1.4983640 | |
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