快速响应的NV色心微波传感器实现及测量

Implementation and measurement of fast response NV chromocentric microwave sensor

高精度微波快速测量技术是电磁频谱分析监测的核心,微波测量技术为微波传感器的高精度测量提供了可能。通过建立NV色心空间磁场能级响应频率精密调谐模型,结合NV色心光学宽场成像技术,实现了高精度、响应快可调的微波测量。首先,通过连续光探测磁共振(ODMR)技术,结合宽场成像技术,通过像素级磁场强度-微波频率转化关系,实现宽场成像的微波测量;进而将连续扫频技术转变为施加定频进行检测,通过同步监测频点不同的响应特性,验证了测试结果的有效性。以上结果为高精度固态量子频谱分析仪、高瞬时带宽频谱微波传感器提供了重要技术基础。

High precision microwave rapid measurement technology is the core of electromagnetic spectrum analysis and monitoring,microwave measurement technology for microwave sensor high precision measurement.By establishing NV color center spatial magnetic field energy level response frequency precision tuning model.combined with NV color center optical wide field imaging technology,the microwave measurement with high precision and fast adjustable response is realized.Firstly,through continuous optical detection magnetic resonance(ODMR)technology,combined with wide field imaging technology,through the pixel-level magnetic field strength-microwave frequency conversion relationship,the microwave measurement of wide field imaging is realized.In addition,the continuous frequency scanning technology is changed to applied fixed frequency for detection,and the validity of test results is verified by synchronously monitoring of response characteristics of different frequency points.The above results provide important technical basis for high precision solid state quantum spectrum analyzer and high instantaneous bandwidth spectrum microwave sensor.