高功率宽调谐声光调制器驱动源的研究  

Research on driving power supply for high⁃power and broad tuning acousto⁃optic modulator

作　　者：王锦荣 吴双娥 米成栋 朱梦琦 程子源 高旭珍 史旭蓉 杜胜利 WANG Jinrong;WU Shuang'e;MI Chengdong;ZHU Mengqi;CHENG Ziyuan;GAO Xuzhen;SHI Xurong;DU Shengli(Department of Physics and Electronic Information Engineering,Lyuliang University,Lvliang 033001,China;Hebei Institute for Drug and Medical Device Control,Shijiazhuang 050000,China)

机构地区：[1]吕梁学院物理与电子信息工程系,山西吕梁033001 [2]河北省药品医疗器械检验研究院,河北石家庄050000

出　　处：《量子电子学报》2025年第2期238-245,共8页Chinese Journal of Quantum Electronics

基　　金：山西省高等学校科技创新项目(2021L562,2022L573);吕梁市引进高层次科技人才重点研发项目(2021RC-2-27);吕梁市社会发展领域重点研发项目(2022SHFZ43)。

摘　　要：声光调制器是一种重要的光学器件,其性能在很大程度上依赖于驱动源的性能。因此,针对不同的应用场景,研制高性能的声光调制器驱动源具有重要意义。本文针对量子光学领域真空压缩光制备中光学参量振荡腔腔长锁定对声光调制器的应用需求,设计了一款高性能声光调制器驱动源。该驱动源以射频金属氧化物半导体(MOS)场效应管放大模块RA07H0608M为核心器件,输入信号经阻抗匹配电路、高通滤波放大电路、功率放大电路后,最终输出到声光调制器中,同时,监测电路对工作温度和信号功率进行实时监测。实验结果表明,该声光调制器驱动源能够实现频率和功率的连续调谐,在75~85 MHz的工作频率范围内,输入输出信号具有良好的线性关系,输出功率高达1 W,并且同时具有超温和超功率自动关断保护功能,完全满足声光调制器长时间稳定运行的要求。Acousto-optic modulator is an important optical device,and its performance largely depends on the quality of driving power supply.Therefore,it is of great significance to develop high performance acousto-optic modulator driving power supply for different application scenarios.In order to meet the application requirement of optical parametric oscillation cavity length locking for acousto-optic modulator in vacuum squeezed light preparation in quantum optics,a high-performance acousto-optic modulator driving power supply is designed in this work.In this driving supply,the radio frequency metal oxide-semiconductor field-effect transistor(RF MOSFET)amplifier module RA07H0608M is proposed as the core device,and the input signal is finally injected into acousto-optic modulator after passing through impedance matching circuit,high-pass filtering amplifier circuit and power amplification circuit.At the same time,the monitoring circuit monitors the working temperature and signal power in real time.The results show that the acousto-optic modulator driving supply can achieve continuous frequency and power tuning.In the operating frequency range of 75-85 MHz,the input and output signals have a good linear relationship,the output power is up to 1 W,and automatic shutdown protection of over-temperature and over-power can be achieved.It is indicated that the designed driving power supply can fully meet the requirements of long-term stable operation of acousto-optic modulator.

关 键 词：光电子学 声光调制器驱动源 射频金属氧化物半导体(MOS)场效应管 连续调谐 自动关断保护电路 

分 类 号：TN384[电子电信—物理电子学]