Composition dependence of the ultraviolet absorption edge in lithium niobate

Autor(en): Kovacs, L
Ruschhaupt, G
Polgar, K
Corradi, G
Wohlecke, M
Stichwörter: LINBO3 CRYSTALS; Physics; Physics, Applied
Erscheinungsdatum: 1997
Herausgeber: AMER INST PHYSICS
Journal: APPLIED PHYSICS LETTERS
Volumen: 70
Ausgabe: 21
Startseite: 2801
Seitenende: 2803
Zusammenfassung: 
A convenient and fast method to determine the composition of LiNbO3 single crystals consisting of a measurement of the position of the fundamental absorption edge in the near UV region is refined and extended to the stoichiometric range. Using unsophisticated apparatus and simple reflection correction, the proposed two-parameter calibration equation provides an absolute accuracy of 0.1 mol % with the relative accuracy reaching an unusual value of better than 0.01 mol % for near stoichiometric compositions. (C) 1997 American Institute of Physics.
ISSN: 00036951

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