The Czochralski growth of large high-quality crystal Nd:La_(2)Be_(2)O_(5)(Nd:BEL)has been investigated.The Nd absorption in lanthanum beryllate(BEL)is broader and more intense than in YAG in the spectra region of 805 ...The Czochralski growth of large high-quality crystal Nd:La_(2)Be_(2)O_(5)(Nd:BEL)has been investigated.The Nd absorption in lanthanum beryllate(BEL)is broader and more intense than in YAG in the spectra region of 805 to 820nm.In particular,Nd:BEL has greater energy storage capacity of ability of higher levels of Nd-doping.BEL might outperform YAG as a host for diode-pumped Nd laser.展开更多
Single crystals of Sr_(3)Ga_(2)Ge_(4)O_(14):Cr are grown by the Czochralski method.The polarized optical absorption spectra of Cr in visible and near-infrared wavelength are presented and analyzed.It is suggested that...Single crystals of Sr_(3)Ga_(2)Ge_(4)O_(14):Cr are grown by the Czochralski method.The polarized optical absorption spectra of Cr in visible and near-infrared wavelength are presented and analyzed.It is suggested that Cr enters the octahedral and tetrahedral positions as Cr^(3+) and Cr^(4+)respectively.展开更多
文摘The Czochralski growth of large high-quality crystal Nd:La_(2)Be_(2)O_(5)(Nd:BEL)has been investigated.The Nd absorption in lanthanum beryllate(BEL)is broader and more intense than in YAG in the spectra region of 805 to 820nm.In particular,Nd:BEL has greater energy storage capacity of ability of higher levels of Nd-doping.BEL might outperform YAG as a host for diode-pumped Nd laser.
文摘Single crystals of Sr_(3)Ga_(2)Ge_(4)O_(14):Cr are grown by the Czochralski method.The polarized optical absorption spectra of Cr in visible and near-infrared wavelength are presented and analyzed.It is suggested that Cr enters the octahedral and tetrahedral positions as Cr^(3+) and Cr^(4+)respectively.
