Noncollinear optical frequency doubling in strontium barium niobate

Autor(en): Tunyagi, AR
Ulex, M
Betzler, K
Stichwörter: CRYSTALS; DOMAINS; HOLOGRAMS; LIGHT-SCATTERING; Physics; Physics, Multidisciplinary
Erscheinungsdatum: 2003
Herausgeber: AMER PHYSICAL SOC
Journal: PHYSICAL REVIEW LETTERS
Volumen: 90
Ausgabe: 24
Zusammenfassung: 
The observation of a novel noncollinear optical second-harmonic generation mechanism is reported. In strontium barium niobate crystals, a circular cone of second-harmonic light is generated when a fundamental beam of intensive laser light is directed along the crystallographic c axis. It can be shown that the effect is caused by the nonlinear polarization of antiparallel ordered ferroelectric microdomains.
ISSN: 00319007
DOI: 10.1103/PhysRevLett.90.243901

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