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Second harmonic generation in Na 3 Gd 2 (BO 3 ) 3 crystals
Author(s) -
Zhou W. W.,
Zhuang R. Z.,
Zhao W.,
Wang G. F.,
Zhang L. Z.,
Ma J. G.,
Bao X.,
Wang F. W.,
Chen Y. H.
Publication year - 2011
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.201100077
Subject(s) - second harmonic generation , crystal (programming language) , differential scanning calorimetry , wavelength , analytical chemistry (journal) , transmittance , infrared , chemistry , nonlinear optical , flux (metallurgy) , crystal growth , infrared spectroscopy , crystallography , materials science , optics , optoelectronics , nonlinear system , physics , laser , organic chemistry , chromatography , quantum mechanics , computer science , thermodynamics , programming language
Na 3 Gd 2 (BO 3 ) 3 crystals with dimensions up to 22 × 20 × 5 mm 3 has been grown from NaBO 2 flux by the top‐seeded solution growth (TSSG) method for the first time. Differential scanning calorimetry (DSC) result shows that Na 3 Gd 2 (BO 3 ) 3 melts incongruently. The infrared spectrum indicates that Na 3 Gd 2 (BO 3 ) 3 contains characteristic triangular [BO 3 ] 3– groups responsible for the nonlinear optical effect. For the as‐grown crystal, the transmittance exceeds 80% in the wavelength range of 315 nm to 2670 nm, and the UV cutoff wavelength is 207 nm. The damage threshold is 0.47 GW cm –2 at 1064 nm. Moreover, Na 3 Gd 2 (BO 3 ) 3 crystal exhibits an optical second harmonic generation effect which is 1.3 times as large as that of KH 2 PO 4 (KDP). (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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