Ytterbium doped gadolinium lanthanum calcium oxoborate laser crystal, producing method, and purpose
A technology of ytterbium-doped calcium-gadolinium-lanthanum oxyborate and ytterbium-calcium-gadolinium-lanthanum oxyborate, which is applied in the field of ytterbium-doped calcium-gadolinium-lanthanum oxyborate laser crystals and their preparation and application, and can solve the problems of unsuitable LD pumping and narrow absorption lines, etc. question
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Embodiment 1
[0013] Example 1: The doping concentration is 10.0 at.% Yb grown by pulling method 3+ Yb 3+ :Gd 0.78 La 0.12 Ca 4 O(BO 3 ) 3 laser crystals.
[0014] Accurately weighed CaCO according to the ratio 3 、Gd 2 o 3 , La 2 o 3 、H 3 BO 3 , Yb 2 o 3 Mix and grind evenly, after tableting, put in φ40×60mm 3 In a platinum crucible, the solid phase reaction was carried out in a muffle furnace at 900°C for 12 hours; after taking it out, the tablet was reground and then heated to 1200°C for 24 hours. Put the synthesized above samples into the iridium crucible, adopt the pulling method, under N 2 In the atmosphere, when the growth temperature is about 1475°C, the crystal rotation speed is 12 rpm, and the pulling speed is 0.5-2 mm / hour, a crystal with a size of φ21×26mm is grown. 3 high quality Yb 3+ 10.0 at.% Yb 3+ :Gd 0.78 La 0.12 Ca 4 O(BO 3 ) 3 crystals.
Embodiment 2
[0015] Example 2: The doping concentration is 10.0 at.% Yb grown by pulling method 3+ Yb 3+ :Gd 0.63 La 0.27 Ca 4 O(BO 3 ) 3 laser crystals.
[0016] Accurately weighed CaCO according to the ratio 3 、Gd 2 o 3 , La 2 o 3 、H 3 BO 3 , Yb 2 o 3 Mix and grind evenly, after tableting, put in φ40×60mm 3 In a platinum crucible, the solid phase reaction was carried out in a muffle furnace at 900°C for 12 hours; after taking it out, the tablet was reground and then heated to 1200°C for 24 hours. Put the synthesized above samples into the iridium crucible, adopt the pulling method, under N 2 In the atmosphere, when the growth temperature is about 1460°C, the crystal rotation speed is 10 rpm, and the pulling speed is 0.5-1.5 mm / hour, a crystal with a size of φ19×25mm is grown. 3 high quality Yb 3+ 10.0 at.% Yb 3+ :Gd 0.63 La 0.27 Ca 4 O(BO 3 ) 3 crystals.
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