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Control system for actively stabilizing radio frequency trapping field power of ion trap

An active stabilization and control system technology, applied to controllers with specific characteristics, electric controllers, etc., can solve the problems of DC signals mixed with low-frequency pulse signals and affect the stability of PID systems, so as to reduce sampling voltage noise and avoid The effect of mixing low-frequency noise and precise automatic control of gain coefficient

Pending Publication Date: 2022-03-25
广州工业技术研究院
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Problems solved by technology

[0004] In the existing radio frequency captive field power stabilization system, since the sampling circuit adopts a rectification circuit (half-wave rectification or full-wave rectification), the output DC signal after rectification will be mixed with low-frequency pulse signals, thereby affecting the PID control effect and the entire system stability

Method used

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  • Control system for actively stabilizing radio frequency trapping field power of ion trap
  • Control system for actively stabilizing radio frequency trapping field power of ion trap
  • Control system for actively stabilizing radio frequency trapping field power of ion trap

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Embodiment

[0050] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. In addition, the terms "comprising" and "having" and any variations thereof in the embodiments of the present invention are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to Those steps or elements are not explicitly listed, but may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

[0051] In the description of the pr...

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Abstract

The invention discloses a control system for actively stabilizing the power of a radio frequency trapping field of an ion trap, and relates to the field of radio frequency power control. The system comprises a radio frequency signal source circuit, a power division circuit, a power amplification circuit, a spiral resonator, a sampling capacitor circuit, an ion trap, a first frequency mixer, a second frequency mixer, a passive low-pass filter circuit, a reference voltage source circuit, an operational circuit and a PID (Proportion Integration Differentiation) controller. The output power and the phase drift of the spiral resonator are effectively reduced, and a more stable control environment is provided for trapping ions.

Description

technical field [0001] The invention relates to the field of radio frequency power control, in particular to a control system for actively stabilizing the power of an ion trap radio frequency trapping field. Background technique [0002] Ion trap systems are widely used in the fields of national economy and scientific research, especially the Paul ion trap, which uses radio frequency trapping fields to achieve ion trapping, is a key component of mass spectrometers, atomic clocks and quantum computing. The stability of trapped ions will directly affect mass spectrometers. The resolution and measurement range of the ion trap will also determine the frequency stability of the atomic clock and the coherence time of the qubit in quantum computing. Therefore, improving the stability of trapped ions is of great significance to all application fields of ion traps. [0003] The power jitter and drift of the RF trapping field is one of the main factors leading to the instability of tr...

Claims

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Application Information

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IPC IPC(8): G05B11/42
CPCG05B11/42
Inventor 崔太豪陈亮魏雅琪戴双晴李冀冯芒
Owner 广州工业技术研究院
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