Laser action from Yb3+ ions in the ferroelectric and paraelectric phases of strontium barium niobate

Autor(en): Rodriguez, E. Martin
Jaque, D.
Sole, J. Garcia
Pankrath, R.
Stichwörter: 2ND-HARMONIC GENERATION; BEAM; CONVERSION; CRYSTAL; DOMAINS; Physics; Physics, Applied
Erscheinungsdatum: 2008
Herausgeber: AMER INST PHYSICS
Journal: APPLIED PHYSICS LETTERS
Volumen: 92
Ausgabe: 18
Zusammenfassung: 
We report on continuous wave laser oscillation of trivalent ytterbium ions in the frequency converter Yb3+: Sr0.6Ba0.4Nb2O6 ferroelectric laser crystal. Pump induced thermal loading has been used to drive the crystal from its ferroelectric to paraelectric phase. Stable laser radiation at 1070 nm was found in both phases while a bistable laser output is observed through phase transition. In addition, diffuse green (535 nm) radiation was generated by self-frequency doubling of the fundamental laser radiation because of the random distribution of microferroelcctric domains existing in the ferroelectric as grown crystal. (C) 2008 American Institute of Physics.
ISSN: 00036951
DOI: 10.1063/1.2924283

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