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Titolo:
2ND-HARMONIC IMAGING OF FERROELECTRIC DOMAIN-WALLS
Autore:
BOZHEVOLNYI SI; HVAM JM; PEDERSEN K; LAURELL F; KARLSSON H; SKETTRUP T; BELMONTE M;
Indirizzi:
TECH UNIV DENMARK,MIKROELEKT CTR DK-2800 LYNGBY DENMARK UNIV AALBORG,INST PHYS DK-9220 AALBORG DENMARK ROYAL INST TECHNOL,DEPT PHYS S-10044 STOCKHOLM SWEDEN INST OPT RES S-10044 STOCKHOLM SWEDEN TECH UNIV DENMARK,DEPT PHYS DK-2800 LYNGBY DENMARK
Titolo Testata:
Applied physics letters
fascicolo: 13, volume: 73, anno: 1998,
pagine: 1814 - 1816
SICI:
0003-6951(1998)73:13<1814:2IOFD>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
FIELD; MICROSCOPY; KTIOPO4; LITAO3;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
13
Recensione:
Indirizzi per estratti:
Citazione:
S.I. Bozhevolnyi et al., "2ND-HARMONIC IMAGING OF FERROELECTRIC DOMAIN-WALLS", Applied physics letters, 73(13), 1998, pp. 1814-1816

Abstract

Domain walls in periodically poled ferroelectric KTiOPO4 and LiNbO3 crystals are observed by making use of second-harmonic (SH) generation enhancement in the transition regions between neighboring domains. SH images of domain walls obtained with various samples for different polarization configurations are presented. The SH generation enhancement is found especially pronounced for the polarization of the SH radiation being perpendicular to the domain walls. The origin and selection rules for the contrast in SH images of domain walls are discussed. The results obtained suggest that the domain walls produce a deteriorating effect on SH generation by quasiphase matching. (C) 1998 American Institute of Physics. [S0003-6951(98)02039-7].

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Documento generato il 02/12/20 alle ore 05:13:14