CAJ | 학술논문

设计并实现了一个高精度的半导体激光器驱动系统，该系统包括温度控制和电流控制两部分。温度的控制范围为室温下±1．50×101 K，控温精度优于1．81 mK，标准差小于0．20 mK。电流的调节范围为0～2．00×102 mA，纹波小于1．00×102 nA。该系统驱动外腔半导体激光器时可以保证激光器输出的频率稳定度在10 s内达到1．00×10-9，满足原子分子物理和激光光谱学等领域对高精度激光器的需求。
설계병실현료일개고정도적반도체격광기구동계통，해계통포괄온도공제화전류공제량부분。온도적공제범위위실온하±1．50×101 K，공온정도우우1．81 mK，표준차소우0．20 mK。전류적조절범위위0～2．00×102 mA，문파소우1．00×102 nA。해계통구동외강반도체격광기시가이보증격광기수출적빈솔은정도재10 s내체도1．00×10-9，만족원자분자물리화격광광보학등영역대고정도격광기적수구。
A high-precision driving circuit was designed and realized for semiconductor lasers,which has two parts of temperature control and current control .The temperature is controlled in the range of ±1 .50 × 10 1 K at room temperature,the temperature control precision is better than 1 .81 mK,and the standard deviation is less than 0.20 mK.The current adjusting range is 0 to 2.00 ×102 mA and the ripple is less than 1.00 ×102 nA.When used for driving a semiconductor laser,the system can make the output frequency of the laser diode reach 1 .00 ×10-9 within 10 s,which can meet the requirements of atom molecule physics,laser spectroscopy,and other fields to high-precision lasers .