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Titolo:
Characteristics of the terahertz radiation from single crystals of N-substituted 2-methyl-4-nitroaniline
Autore:
Hashimoto, H; Takahashi, H; Yamada, T; Kuroyanagi, K; Kobayashi, T;
Indirizzi:
Univ Shizouka, Fac Engn, Dept Mat Sci & Chem Engn, Hamamatsu, Shizuoka 4328561, Japan Univ Shizouka Hamamatsu Shizuoka Japan 4328561 u, Shizuoka 4328561, Japan Hamamatsu Photon K K, Cent Res Lab, Hirakuchi, Hamakita 4348601, Japan Hamamatsu Photon K K Hirakuchi Hamakita Japan 4348601 kita 4348601, Japan Univ Tokyo, Grad Sch Sci, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan Univ Tokyo Tokyo Japan 1130033 ept Phys, Bunkyo Ku, Tokyo 1130033, Japan
Titolo Testata:
JOURNAL OF PHYSICS-CONDENSED MATTER
fascicolo: 23, volume: 13, anno: 2001,
pagine: L529 - L537
SICI:
0953-8984(20010611)13:23<L529:COTTRF>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
2ND-ORDER OPTICAL NONLINEARITIES; ORGANIC SALTS; RECTIFICATION; DAST;
Tipo documento:
Letter
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
16
Recensione:
Indirizzi per estratti:
Indirizzo: Hashimoto, H Univ Glasgow, Inst Biomed & Life Sci, Div Biochem & Mol Biol,Davidson Bldg, Glasgow G12 8QQ, Lanark, Scotland Univ Glasgow Davidson Bldg Glasgow Lanark Scotland G12 8QQ nd
Citazione:
H. Hashimoto et al., "Characteristics of the terahertz radiation from single crystals of N-substituted 2-methyl-4-nitroaniline", J PHYS-COND, 13(23), 2001, pp. L529-L537

Abstract

Terahertz (THz) radiation was generated via optical rectification from organic single crystals, i.e. N-substituted (N-benzyl, N-diphenylmethyl, and N-2-naphthylmethyl) derivatives of 2-methyl-4-nitroaniline (MNA), and it wasdetected by means of the electro-optic sampling method. The intensity and the spectrum of the THz radiation were compared with those of ZnTe and DAST(N, N-dimethylamino-N'-methylstilbazolium p-toluenesulphonate) crystals. The integrated intensity of the THz radiation from the N-benzyl-MNA crystal was two thirds of that for the ZnTe crystal, the best-known practical THz emitter, and was as intense as that for the DAST crystal, the best organic THz emitter ever studied. The spectrum of the ZnTe crystal extended to 3 THz, while that of the N-benzyl MNA and DAST crystals dropped off around 2.5 THz. The THz radiation intensities from all of the organic crystals were compared quantitatively, on the basis of the consideration of molecular arrangements in the crystals. It was suggested that the absorption due to low-frequency phonon modes affected both the intensity and the spectral band shapeof the THz radiation.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/10/20 alle ore 14:58:42