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Primary and secondary threshold intensities of ultraviolet-laser-induced domain nucleation in nearly stoichiometric LiTaO3.
- Source :
-
Applied Physics Letters . 2/25/2008, Vol. 92 Issue 8, p082904. 3p. 1 Diagram, 4 Graphs. - Publication Year :
- 2008
-
Abstract
- The primary and secondary threshold intensities of ultraviolet-laser-induced preferential domain nucleation in nearly stoichiometric LiTaO3 is observed. The primary threshold is the minimum intensity to achieve the instantaneous preferential domain nucleation within the focus by the combined action of irradiation and electric fields. The secondary threshold is the minimum intensity to achieve the memory effect without any irradiation within the original focus. The space charge field created by the photoionization carriers is thought to be responsible for the instantaneous effect. The explanation based on the formation and transformation of extrinsic defect is presented for the memory effect. [ABSTRACT FROM AUTHOR]
- Subjects :
- *NUCLEATION
*STOICHIOMETRY
*ELECTRIC fields
*IRRADIATION
*PHYSICS
Subjects
Details
- Language :
- English
- ISSN :
- 00036951
- Volume :
- 92
- Issue :
- 8
- Database :
- Academic Search Index
- Journal :
- Applied Physics Letters
- Publication Type :
- Academic Journal
- Accession number :
- 31229931
- Full Text :
- https://doi.org/10.1063/1.2888747