In vivo electric field measuring device based on quantum coherence effect

Abstract

An in vivo electric field measuring device based on quantum coherence effect disclosed in the invention belongs to the intersection field of human body communication and electric field measurement. The device provided by the invention comprises a semiconductor laser and a control unit thereof, a laser control optical path, a fiber-coupled atomic cell electric field probe and a photodetection unit, wherein the laser and its control unit respectively emit weak probe light and strong coupling light according to actual requirements; the fiber-coupled atomic cell electric field probe is used to realize the probe light and the coupling light incident on the same end of the fiber-coupled atomic cell, that is, the probe light and the coupling light are input in the same direction; the laser control optical path respectively adjusts the power, frequency and polarization state of the weak probe light and the strong coupling light; and the photodetection unit enables detection and display of EIT spectra. The device provided by the invention realizes the measurement of the in vivo electric field through the fiber-coupled atomic cell electric field probe, thereby promoting the application of the implanted biomedical system in disease diagnosis and treatment.

Description

technical field [0001] The invention relates to a device for measuring an electric field in a body, in particular to a device for measuring an electric field in a body based on a quantum coherence effect, and belongs to the intersecting field of human body communication and electric field measurement. Background technique [0002] Body communication is a human-centered body area network technology that uses the human body as a signal transmission medium to connect wearable and implantable electronic devices. According to whether electronic devices are placed in the human body, the technology can be divided into in vitro communication and in vivo communication. Among them, communication in the human body is one of the important research directions of human body communication, and it has a wide range of applications in the field of implantable biomedicine. [0003] In recent years, implantable biomedical systems have played an important role in disease diagnosis and treatment...

AI Technical Summary

Problems solved by technology

[0007] For the weak electric field strength in the body, the limited space for implanted electric parameter measurement, and the traditional electric field measurement based on the quantum coherence effect, the laser for preparing Rydberg atoms cannot penetrate the human body in a purely optical way.

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