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Growth and spectroscopic characterisation of Neodymium Aluminium Barium Borate using floating zone apparatus
Author(s) -
Kumar J.,
Thirumavalavan M.,
Gnanam F. D.,
Ramasamy P.
Publication year - 1988
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170231024
Subject(s) - neodymium , aluminium , boron , barium , rod , barium borate , materials science , raman spectroscopy , analytical chemistry (journal) , absorption spectroscopy , laser , chemistry , optics , metallurgy , medicine , physics , alternative medicine , organic chemistry , pathology , chromatography
Transparent Neodymium Aluminium Barium Borate (NABB) rods, 60 mm long and 5 mm in diameter, have been grown using a Floating Zone (FZ) apparatus. The preparation of sintered feed rods and growth conditions are presented. The vibrational spectra (IR and Raman) of the rods were compared with those of Neodymium Aluminium Borate (NAB) crystals grown from flux. The spectra confirmed the presence of BO 3 network which had been identified to have more advantages when compared to the silicates. The absorption and the fluorescence spectra obtained for the sample demonstrates its efficiency for use as a laser material.