为了满足冷原子干涉实验对激光移频的需求、实现移频速率的精确可控,设计并实现了一个带有操作界面的声光调制器数字驱动与控制系统.该系统由三个部分组成,分别是上位机,微处理器控制芯片,射频信号产生芯片.其中上位机用于收集控制信息;微处理器控制芯片用于根据上位机发送来的控制信息实现对射频信号产生芯片的控制、产生驱动声光调制器晶体的射频信号,从而实现对实验中所需的激光进行移频.该系统可输出频率为0～150 MHz且相位噪声低至-116 dBc/Hz的射频信号,同时可有效控制输出信号的幅度、相位和扫频速率等,该系统提供了满足冷原子干涉实验需求的多种工作模式.
参考文献
| [1] | Kasevich M;Chu S.Atomic interferometry using stimulated Raman transitions[J].Physical Review Letters,199167(02):181-184. |
| [2] | Fixler J B;Foster G T;Mc Guirk J M.Atom interferometer measurement of the Newtonian constant of gravity[J].SCIENCE,2007315(5808):74-77. |
| [3] | Hu Zhongkun;Duan Xiaochun;Zhou Minkang.Simultaneous differential measurement of a magnetic-field gradient by atom interferometry using double fountains[J].Physical Review A,201184(01):013620. |
| [4] | Canuel B;Leduc F;Holleville D.Six-axis inertial sensor using cold-atom interferometry[J].Physical Review Letters,200697(01):010402. |
| [5] | Zhou Lin;Xiong Zongyuan;Yang Wei.Development of an atom gravimeter and status of the 10-meter atom interferometer for precision gravity measurement[J].GENERAL RELATIVITY AND GRAVITATION,201143(07):1931-1942. |
| [6] | Wang Ling;Yao Zhanwei;Xiong Zongyuan.Injection locking of Raman laser beams in cold atom interferometers (in Chinese)[J].Chinese Journal ofQuantum Electronics(量子电子学报),201229(01):27-31. |
| [7] | Tierney J;Rader C M;Gold B.A digital frequency synthesizer[J].IEEE Trans Audio and Electroacoustics,197119(01):48-56. |
| [8] | Xiong Zongyuan;Yao Zhanwei;Wang Lin.Control of atomic path in projectile cold atom gyroscope[J].Acta Phys Sin (物理学报),201160(11):113201. |
| [9] | STM32F103x6datasheet[OL].http://www.alldatasheet.com/datasheet-pdf/pdf/230729/STMICROELECTRON ICS/STM32F103X6_ 08.html |
| [10] | Yu Jinqian.Development and Application of STM32F Series ARM Microcontroller with Coretex-M3 (STM32F 系列ARM Corelex-M3核微控制器的开发与应用)(in Chinese)[M].北京:清华大学出版社,2011 |
| [11] | CMOS 300 MHz Complete-DDS AD9852 datasheet[OL].http://www.alldatasheet.com/datasheet-pdf/pdf/48612/AD/AD9852.html |
| [12] | Kroupa V F.Spectral purity of direct digital frequency synthesizers[A].Baltimore,U.S.A,1990:498. |
| [13] | Kroupa V F.Discrete spurious signals and background noise in direct frequency synthesizers[A].Salt Lake City,U.S.A,1993:242. |
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