Self-frequency-doubling laser neodymium-doped BaCaBO3F crystal
A technology of neodymium calcium fluoroborate and laser crystals, which is applied to lasers, crystal growth, laser parts, etc.
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[0021] Example 1: The doping concentration is 2.0 at.% Nd grown by pulling method 3+ Nd 3+ :BaCaBO 3 F laser crystal.
[0022] Nd 3+ :BaCaBO 3F raw materials can be synthesized in two steps by solid phase sintering, the first step is to synthesize BaCa 2 (BO 3 ) 2 , the second step BaCa 2 (BO 3 ) 2 with BaF 2 The reaction affords the desired product. The reaction equation is as follows:
[0023] BaCO 3 +2(1-2x)CaCO 3 +xNa 2 CO 3 +xNd 2 o 3 +2H 3 BO 3
[0024] =BaCa 2(1-2x) Na 2x Nd 2x (BO 3 ) 2 +3H 2 O+3(1-x)CO 2 ↑
[0025] BaCa 2(1-2x) Na 2x Nd 2x (BO 3 ) 2 +BaF 2 = 2BaCa 1-2x Na x Nd x BO 3 f
[0026] According to the above equation, accurately weigh BaCO according to the ratio 3 , CaCO 3 , Na 2 CO 3 , H 3 BO 3 , BaF 2 and Nd 2 o 3 , mix and grind evenly, after tableting, put in Φ80×80mm 2 In a corundum crucible, the solid phase reaction was carried out at 650°C in a muffle furnace for 24 hours; after taking...
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