Quantum diamond atomic force microscope electronics control readout system and method

The quantum diamond atomic force microscope electronic control and readout system, which integrates a system control readout module, a magnetic measurement algorithm module, and a magnetic measurement control and readout module, solves the problems of low equipment integration and poor synchronization, achieves efficient experimental control and data processing, and reduces time costs and maintenance difficulty.

CN115808544BActive Publication Date: 2026-01-30UNIV OF SCI & TECH OF CHINA
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Patent Information

Application Number
CN202211403009.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-09
Publication Date
2026-01-30
Estimated Expiration
2042-11-09

AI Technical Summary

Technical Problem

In existing technologies, the experimental system control and data readout equipment of quantum diamond atomic force microscopes have low integration, long communication time, and low synchronization, resulting in high experimental time costs and difficult equipment maintenance.

Method used

The quantum diamond atomic force microscope electronic control readout system integrates a system control readout module, a magnetic measurement algorithm module, and a magnetic measurement control and readout module to achieve synchronous control and signal readout of laser, microwave and other equipment. The magnetic measurement algorithm module calculates the resonance frequency based on the fluorescence signal and the resonance frequency lookup table, and performs real-time signal and data processing.

Benefits of technology

It improves equipment integration and experimental method flexibility, shortens data transmission time and synchronization, reduces experimental costs and equipment maintenance difficulty, and ensures measurement accuracy and efficiency.

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Abstract

This disclosure provides an electronic control readout system and method for quantum diamond atomic force microscopy. The system includes: a system control readout module, a magnetic measurement algorithm module, and a magnetic measurement control and readout module. The magnetic measurement control and readout module is used to respond to the control signal of the system control readout module by emitting a laser pulse sequence and a microwave pulse sequence of a preset frequency to the quantum diamond probe located at the i-th pixel position of the sample to be tested, and then acquiring the analog fluorescence signal of the quantum diamond probe at the i-th pixel position and outputting the digital fluorescence signal of the i-th pixel. The magnetic measurement algorithm module is used to respond to the control signal of the system control readout module by obtaining the resonance frequency at the i-th pixel position and the preset frequency at the i+1-th pixel position according to the fluorescence photon number of the i-th pixel corresponding to the digital fluorescence signal of the i-th pixel, the resonance frequency at the (i-1)-th pixel position, and a microwave frequency lookup table.
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