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用干涉法和准静态d_(33)测量仪相结合测量了β-BaB_2O_4(β-BBO)晶体的全部压电应变系数,结果为:d_(33)=1.0×10~(12)C/N,d_(31)=-0.83×10~(12)C/N,d_(22)=2.2×10~(12)C/N,d_(15)=21.2×10~(12)C/N。
The total piezoelectric strain coefficient of β-BaB_2O_4 (β-BBO) crystal was measured by interference method and quasi-static d_ (33) measuring instrument. The results are as follows: d_ (33) = 1.0 × 10-12 /N,d_(31)=-0.83×10~(12)C/N,d_(22)=2.2×10~(12)C/N,d_(15)=21.2×10 ~ (12) C / N.