中国激光, 2020, 47 (10): 1008001, 网络出版: 2020-10-16
基于电光调制的DKDP晶体OPCPA增益带宽特性研究 
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Study on Gain Bandwidth Characteristics of DKDP-OPCPA Based on Electro-Optic Modulation
图 & 表
图 1. DKDP晶体氘化率与相位失配的关系
Fig. 1. Relationship between the deuteration rate of DKDP crystal and the phase mismatch
图 2. 增益带宽随氘化率的变化曲线。(a)氘化率为0%~90%;(b)氘化率为90%~100%
Fig. 2. Change curves of gain bandwidth with deuteration rate. (a) Deuteration rate is 0%--90%; (b) deuteration rate is 90%--100%
图 3. DKDP晶体OPA过程中的能量转化效率。(a) 70%氘化率;(b) 95%氘化率
Fig. 3. Energy conversion efficiency in the OPA process of DKDP crystal. (a) Deuteration rate is 70%; (b) deuteration rate is 95%
图 4. DKDP晶体OPA过程时域波形。(a) 70%氘化率;(b) 95%氘化率
Fig. 4. Time-domain waveform in OPA process of DKDP crystal. (a) Deuteration rate is 70%; (b) deuteration rate is 95%
图 5. 沿z轴加外部电场的DKDP晶体(1/8椭球)
Fig. 5. DKDP crystal with external electric field applied along the z axis (1/8 ellipsoid)
图 6. 施加不同电压时DKDP晶体的相位失配。(a) 70%氘化率;(b) 95%氘化率
Fig. 6. Phase mismatch of DKDP crystal when different voltages are applied. (a) Deuteration rate is 70%; (b) deuteration rate is 95%
图 7. DKDP晶体在中心波长处的增益带宽变化特性。(a) 70%氘化率;(b) 95%氘化率
Fig. 7. Gain bandwidth variation characteristics of DKDP crystal at the center wavelength. (a) Deuteration rate is 70%; (b) deuteration rate is 95%
图 8. 施加不同电压时DKDP晶体的增益谱特性。(a) 60%氘化率;(b) 70%氘化率
Fig. 8. Gain spectrum characteristics of DKDP crystal when different voltages are applied. (a) Deuteration rate is 60%; (b) deuteration rate is 70%
孙子茗, 刘德安, 韩璐, 朱健强. 基于电光调制的DKDP晶体OPCPA增益带宽特性研究[J]. 中国激光, 2020, 47(10): 1008001. Sun Ziming, Liu Dean, Han Lu, Zhu Jianqiang. Study on Gain Bandwidth Characteristics of DKDP-OPCPA Based on Electro-Optic Modulation[J]. Chinese Journal of Lasers, 2020, 47(10): 1008001.
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