Multiple phase gratings in pure, Yb- and P-doped Pb5Ge3O11 after different thermal treatments

Autor(en): Yue, XF
Mendricks, S
Nikolajsen, T
Hesse, H
Kip, D
Kratzig, E
Stichwörter: BATIO3; LEAD GERMANATE; PHOTOREFRACTIVE BI12SIO20 CRYSTALS; Physics; Physics, Applied; TITANATE
Erscheinungsdatum: 1999
Herausgeber: AMER INST PHYSICS
Journal: JOURNAL OF APPLIED PHYSICS
Volumen: 86
Ausgabe: 3
Startseite: 1186
Seitenende: 1190
Zusammenfassung: 
Multiple phase gratings are written in pure, Yb- and P-doped Pb5Ge3O11 crystals: a fast grating and a slow grating with substantially different response times compensate each other. Doping and thermal treatments have strong influences on the behavior of both gratings. Reduction treatments of Yb-doped samples lead to a significant decrease of the response time of the slow grating, while that of the fast grating is diminished by more than two orders of magnitude. P doping significantly increases the response time of the fast grating. Possible origins of both gratings are discussed. (C) 1999 American Institute of Physics. [S0021-8979(99)09915-6].
ISSN: 00218979
DOI: 10.1063/1.370868

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