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L. GHEORGHE1,* , C. GHEORGHE1
Nonlinear optical (NLO) crystal of Gd0.92Sc0.02Nd0.06Ca4O(BO3)3 (Nd: GdScCOB) crystal has been grown by the Czochralski method. The high resolution and polarized spectroscopic data of Nd3+ in GdScCOB crystal were carried out and analyzed in the framework of the Judd - Ofelt theory. The polarized emission cross-sections for the 4F3/2 → 4I9/2 and 4F3/2 → 4I11/2 Nd3+ transitions of special interest for laser application were determined. Near-infrared laser emission at 1061 nm was achieved under cw Ti: sapphire end pumping at 812 nm. For propagation along the Z-axis, laser emission polarized parallel to the Y-axis was obtained. This result offers the opportunity to achieve type I SFD of Nd3+ emission in the ZX plane which presents a non-linearity approximately three times larger than XY plane..
Self-frequency doubling, Czochralski method, Judd-Ofelt analysis, Laser emission.
L. GHEORGHE, C. GHEORGHE, Judd-Ofelt analysis and laser investigations of Nd3+-doped Gd1−xScxCa4O(BO3)3 single crystal, Optoelectronics and Advanced Materials - Rapid Communications, 6, 3-4, March-April 2012, pp.374-382 (2012).
Submitted at: Feb. 27, 2012
Accepted at: April 11, 2012
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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