79 results about "Colour centre" patented technology

The invention provides a light source multiplexing diamond NV color center wide field detection system and an illumination detection method. The system comprises a diamond containing an NV color center, an exciting light module, a first double-color sheet, an objective lens, a second double-color sheet, a wide field imaging module, an illumination imaging module and a microwave module, exciting light generated by the exciting light module irradiates the first double-color piece, is guided to the objective lens, and irradiates the diamond after being transmitted by the objective lens so as to excite the NV color center of the diamond to generate fluorescent light; the objective lens is of an infinity type; the exciting light is irradiated to a sample to be detected after being transmitted by the diamond; fluorescent light and exciting light from a sample to be detected are collected by the objective lens, then transmitted to the first double-color piece and guided to the second double-color piece through the first double-color piece, the second double-color piece guides the fluorescent light to the wide-field imaging module for imaging, and the exciting light in the second double-color piece is guided to the illumination imaging module for imaging. Illumination can be achieved in the exciting light working state, exciting light switching operation in the prior art is avoided, and efficiency can be remarkably improved.

The invention provides an imaging device and method based on a diamond NV color center, and the device comprises a diamond containing the NV color center, an objective lens assembly, an optical detection module, a displacement platform, and a microwave module. The objective lens assembly comprises an objective lens turntable, and an objective lens and a suction tube which are mounted on the objective lens turntable, the objective lens turntable can switch the objective lens or the suction tube to a working position, and the suction tube is used for introducing negative pressure; the displacement platform is located below the objective lens assembly, and the upper surface of the displacement platform is used for placing a to-be-tested piece and can regulate and control the position of the to-be-tested piece; the diamond is used for being placed on a to-be-tested piece and located below the working position of the objective lens assembly, when the suction pipe is switched to the working position, an opening in the lower end of the suction pipe faces the diamond, and the diamond can be adsorbed or released through negative pressure in the control pipe. And the implementation mode is simple and convenient, the use of other auxiliary equipment is reduced, the occupied space is simplified, and accurate and efficient operation of adsorbing and releasing the diamond can be ensured. By using the device, multiple times of imaging scanning of a large-size to-be-measured piece can be realized.

The invention provides a polarization selectivity all-dielectric high-saturation structural color metasurface with a maintainable color center. The metasurface sequentially comprises a SiO2 semi-ellipsoid layer, a GaN elliptic cylinder array and a PDMS flexible substrate from top to bottom, wherein the SiO2 semi-ellipsoid layer and the GaN elliptic cylinder array form a periodically arranged double-layer all-dielectric nanostructure unit. Under the condition of x polarization incidence, the structure generates a narrow-band high-reflection structural color in a visible light wave band, the full width at half maximum of a main reflection peak is about 9 nm, the peak reflectivity can reach 99.8% or above, and the reflectivity of a secondary reflection peak on the short wave side is lower than 0.01; and under the y polarization incidence condition orthogonal to the light source, the reflectivity near the corresponding wavelength is lower than 2%, and the light source shows remarkable polarization selectivity. The inventor further finds that when the equivalent radius change of the nano unit causes the reduction of the reflection efficiency, the reflectivity of the main peak can be recovered by adjusting the long-short axis ratio of the GaN elliptic cylinder and the SiO2 semi-ellipsoid, and the central wavelength of the main formant is basically kept unchanged, so that the brightness adjustment is realized on the premise that the color center is basically constant. The structure is suitable for flexible or wearable optical devices, polarization-related structural color display and other applications.

A diamond magneto-optical sensor includes: a diamond that includes a color center with an electronic spin and is irradiated with excitation light, and an irradiation unit that irradiates the diamond with the excitation light of the color center and electromagnetic waves for magnetic resonance, wherein the irradiation unit receives modulated light having been subjected to amplitude modulation, and a modulation frequency of the modulated light is included in a microwave frequency band.

The invention provides an angular displacement measurement method and system based on diamond quantum sensing, and relates to the field of quantum sensing, and the method comprises the steps: taking a diamond NV color center as a probe, placing the probe in a magnetic field and a static magnetic field which rotate at a constant speed, and carrying out the coaxial rotation with a to-be-measured object, the diamond NV color center of the system is measured by adopting continuous light excitation and microwave radiation based on diamond quantum sensing angular displacement; acquiring a first fluorescence signal emitted by the diamond NV color center at a first moment, and outputting a corresponding first traveling wave signal; acquiring a second fluorescence signal emitted by the diamond NV color center at a second moment, and outputting a corresponding second traveling wave signal; and based on the phase difference between the first traveling wave signal and the second traveling wave signal, determining the angular displacement value of the rotation of the object to be measured of the angular displacement measurement system based on diamond quantum sensing. According to the embodiment of the invention, the diamond NV color center is highly sensitive to the change of the magnetic field, and the measurement precision of angular displacement can be improved.

A nanoscale temperature detector comprising a diamond sensing probe (1) having a lateral dimension of at least 200 nanometers and having a sensing tip (2) with a radius of curvature (R) of less than 100 nanometers, less than 10 nanometers or less than 1 nanometer and a plurality of color centers (5) showing temperature sensitive features in the emission count rate. The diamond sensing probe (1) has a lateral dimension of at least 200 nanometers and is connected to a detector system (13) by a mounting structure (6). A thermal isolation barrier (3) thermally separates the sensing probe (1) from the detector system (13).

The application discloses a two-dimensional magnetic field imaging method based on diamond NV color centers, comprising the following steps: generating a rough scanning path according to a region to be measured, controlling a displacement scanning unit to drive a diamond NV color center detection unit to move point by point, locking and triggering collection after reaching a position; obtaining the light detection magnetic resonance spectrum of each measuring point through light excitation and microwave sweep, and calculating the magnetic field information; identifying an abnormal region according to the rough scanning result and generating a fine scanning path, and performing fine scanning on the abnormal region; periodically returning to a reference point to collect a reference spectrum line during the scanning process, and compensating for the drift of the current batch of measuring points, and finally matching the compensated magnetic field information with coordinate information to generate a two-dimensional magnetic field distribution map. The application can improve the positioning accuracy, measurement stability and imaging reliability of two-dimensional magnetic field imaging.

The application discloses a kind of defect detection method and equipment based on NV color center, it is related to nondestructive testing technical field.The present application discloses a kind of defect detection method and equipment based on NV color center, it is related to nondestructive testing technical field.The present application discloses a kind of defect detection method and equipment based on NV color center, it is related to nondestructive testing technical field.The present application discloses a kind of defect detection method and equipment based on NV color center, it is related to nondestructive testing technical field.The present application discloses a kind of defect detection method and equipment based on NV color center, it is related to nondestructive testing technical field.The present application discloses a kind of defect detection method and equipment based on NV color center, it is related to nondestructive testing technical field.The present application discloses a kind of defect detection method and equipment based on NV color center, it is related to nondestructive testing technical field.The present application discloses a kind of defect detection method and equipment based on NV color center, it is related to nondestructive testing technical field.The present application discloses a kind of defect detection method and equipment based on NV color center, it is related to nondestructive testing technical field.The present application discloses a kind of defect detection method and equipment based on NV color center, it is related to nondestructive testing technical field.The present application discloses a kind of defect detection method and equipment based on NV color center, it is related to nondestructive testing technical field.The present application discloses a kind of defect detection method and equipment based on NV color center, it is related to nondestructive testing technical field.The present application discloses a kind of defect detection method and equipment based on NV color center, it is related to nondestructive testing technical field.The present application discloses a kind of defect detection method and equipment based on NV color center, it is related to nondestructive testing technical

The invention discloses an insulation defect detection method based on a quantum color center technology, and belongs to the field of state monitoring. Comprising the steps that a quantum sensing module and an excitation and signal acquisition module are adopted to detect the insulation defect of the electrical equipment, the quantum sensing module adopts a silicon carbide color center chip, a double-vacancy defect is prepared through an ion implantation and annealing process, a substrate material adopts AlN ceramic, and a protective layer adopts an aerogel composite structure; a DPSS laser is adopted as a light source of a laser excitation chain of an excitation and signal acquisition module, and a single-photon avalanche diode array is adopted as a detector of a fluorescence acquisition chain; a signal processing flow is based on silicon carbide double-vacancy color center fluorescence lifetime attenuation characteristics, partial discharge detection is carried out, dynamic change and frequency spectrum characteristics of a color center fluorescence lifetime tau value are analyzed, a multi-physics field decoupling algorithm combining time domain fluorescence lifetime analysis, frequency domain vibration spectrum extraction and a machine learning classification model is adopted, and a silicon carbide double-vacancy color center fluorescence lifetime tau value is analyzed. And high-precision identification and positioning of discharge types such as corona discharge and creeping discharge are realized.

The application relates to the technical field of quantum sensing and smart grid monitoring, in particular to a current detection method and device integrating sensing and communication and a current detection system; the method is applied to a control module in a current detection system, and the method comprises the following steps: in response to triggering of a sensing mode, a light excitation and detection module is controlled to apply excitation laser to an NV color center probe, and an antenna module is controlled to apply a microwave signal to the NV color center probe; a fluorescence intensity signal is acquired; according to the fluorescence intensity signal, the frequency of the microwave signal and the positional relationship between the NV color center probe and a to-be-detected transmission line, an induced magnetic field signal of an environmental magnetic field is determined, and a target current value in the to-be-detected transmission line is determined according to the induced magnetic field signal; in response to triggering of a communication mode, detection information containing the target current value is generated, and the antenna module is controlled to send the detection information. The scheme of the application can reduce the power consumption of the system.

The invention discloses an NV color center excitation laser adjusting method, a medium, a control device and measurement equipment, and relates to the technical field of quantum measurement. The method is used for the NV color center excitation laser debugging system. The system comprises a laser used for emitting target laser, at least two adjusting lenses used for expanding the target laser, and a focusing lens used for focusing the expanded target laser to generate laser spots. The method comprises the following steps: adjusting an adjusting lens according to a laser spot, so that the laser spot is matched with a laser incident surface of a target diamond; the adjusting lens is adjusted according to the fluorescence brightness generated when the NV color center in the target diamond is excited by the laser spot, so that the area of the laser spot is reduced, the position of the laser spot on the laser incident plane is adjusted, and the fluorescence brightness meets the target excitation requirement. Therefore, the NV color center position can be quickly positioned, the concentration ratio of the laser is enhanced, the laser intensity and the effective utilization rate are improved, and the accuracy and the sensitivity of measuring equipment are improved.

The invention relates to the technical field of radio frequency circuits and quantum sensing, and discloses an NV color center-oriented hybrid neural network adaptive pre-distortion system and method, a storage medium and electronic equipment, and the system comprises a main signal path, a feedback observation path and a hybrid neural network pre-distortion controller; a digital predistorter in the main signal channel receives an original digital signal, predistorts the original digital signal to generate a predistorted signal, and outputs an amplified signal after the predistorted signal passes through a power amplifier; a coupler of the feedback observation path receives an amplified signal, and the amplified signal passes through an attenuator and an analog-to-digital converter and then outputs a digital feedback signal; and the hybrid neural network predistortion controller receives the original digital signal and a digital feedback signal output by the analog-to-digital converter, outputs a calibration signal required by the digital predistorter through a neural network model based on the original digital signal and the digital feedback signal, and controls the digital predistorter based on the calibration signal.

The invention relates to the technical field of temperature control, in particular to a temperature control system and method based on an NV color center, and the system comprises a diamond NV color center temperature sensing module which is used for sensing the temperature change of a target area in real time and generating a corresponding fluorescence signal; the dual-channel demodulation and signal processing module is connected with the diamond NV color center temperature sensing module and is used for extracting an actual temperature value from the fluorescence signal; the PID temperature control module is connected with the dual-channel demodulation and signal processing module and is used for generating a control signal according to the deviation between the actual temperature value and the target temperature value; and the adjustment execution module is connected with the PID temperature control module and is used for adjusting the temperature of the target area according to the control signal. The high-stability temperature control system has the beneficial effects that diamond NV color center quantum sensing, two-channel demodulation and PID closed-loop control technologies are fused, and high-stability temperature control of milliKelvin-level precision and microsecond-level response under the micro-nano scale is realized.

This solid quantum sensor module is provided with: a substrate having a first main surface and a second main surface on the opposite side from the first main surface; a solid element located on the first main surface side of the substrate and having a color center; a light guide plate located between the substrate and the solid element; an antenna for microwave field transmission; a light source that is positioned on the first main surface side of the substrate and emits light having a first wavelength that excites the color center from a ground state to an excited state; and a photodetector that is positioned on the first main surface side of the substrate and detects photoluminescence including a second wavelength emitted from the solid element, the solid element overlapping the microwave field transmission antenna when viewed along the normal direction of the first main surface of the substrate. The light detector does not overlap with the microwave field transmission antenna when viewed along the normal direction of the first main surface of the substrate.

The application discloses a method for testing anti-radiation damage performance of calcium fluoride crystal. The method adopts X-ray radiation to irradiate calcium fluoride crystal, and judges the anti-radiation damage performance of the crystal according to an X-ray radiation dose for inducing color center absorption peak of the calcium fluoride crystal and a color center absorption coefficient of a characteristic absorption peak induced by radiation.

This invention provides a magnetic detection device based on diamond NV centers and the Kerr effect. It achieves the sharing of light sources and optical paths between magnetic detection technologies based on the magneto-optical Kerr effect and those based on NV centers, combining the two technologies and greatly simplifying the device structure. This increases the intensity of the optical signal received by the detection module, reduces noise interference in the signal, and thus improves the accuracy of magnetic detection. It can simultaneously meet the requirements of rapid and high-resolution detection, and improve the overall detection speed while ensuring detection accuracy.

This invention belongs to the field of current measurement and signal processing technology, specifically disclosing a method and system for extracting the amplitude of the flipped magnetic field of a nitrogen-vacancy color center quantum sensor. The method includes: acquiring the raw signal output by the nitrogen-vacancy color center quantum sensor and preprocessing it; detecting the minimum point of the preprocessed signal, setting a minimum interval and amplitude threshold to eliminate false boundaries, and forming a stable half-cycle segment; constructing two sets of complementary sequences based on the half-cycle segment to achieve the retention of the first half-cycle and zeroing of the second half-cycle, and the retention of the second half-cycle and zeroing of the first half-cycle, respectively, within each cycle; performing fundamental frequency phase-locked demodulation on the two sets of complementary sequences to obtain two fundamental amplitude components; fusing the two fundamental amplitude components to obtain a nitrogen-vacancy fundamental amplitude monitoring quantity that is proportional to the amplitude of the measured current. This invention effectively eliminates the measurement error caused by the asymmetry of the positive and negative half-cycles of the original current and achieves stable extraction of the fundamental amplitude.

The application relates to the field of quantum precision measurement, and discloses a fluorescence data noise reduction demodulation method and a related device, which are applied to a process of sensing based on a diamond NV color center and using a photodetection magnetic resonance method. The fluorescence data noise reduction demodulation method provided by the scheme can move the center line of fluorescence digital signal data under different carrier frequencies to the vicinity of a zero axis, effectively reduces data offset, ensures the accuracy of quantum precision measurement, and the data used for calculating the zero axis offset value and the data used for filtering demodulation are fluorescence digital signal data under the same carrier frequency, so that the calculated zero axis offset value is very accurate and is not easily affected by external environment.

The invention discloses a diamond NV color center nondestructive testing device and method. The diamond NV color center nondestructive testing device comprises a quantum probe, a magnetization module, a microwave source, an optical detection module and a processing module, a magnetization module magnetizes a to-be-detected object in an internal passing channel, a microwave source transmits modulation microwaves with different frequencies to microwave antennas in a plurality of quantum probes which are distributed circumferentially, and an optical detection module emits laser to diamonds in the plurality of quantum probes and collects fluorescence generated by the laser. And the detection signal is output to a processing module, the processing module demodulates the detection signal by using a reference signal with a corresponding modulation frequency to obtain demodulation data, and the magnetic field intensity is calculated according to the demodulation data. And calculating surface defect data of the measured object according to the obtained magnetic field intensity data. The microwave antennas in the adjacent quantum probes receive modulation microwaves with different frequencies, so that the microwave interference between the adjacent quantum probes can be reduced, and the accuracy of surface defect detection of a detected object is improved.

The invention provides a solid crystal anti-counterfeiting method and device. The anti-counterfeiting method comprises the following steps: carrying out thresholding binary processing on two-dimensional pixelated images obtained by aiming at a plurality of color center structures in a solid crystal to obtain a first coded image; marking a first predetermined code corresponding to the lattice orientation information of the plurality of color center structures on each pixel point in the two-dimensional pixelated image based on an association relationship between each pixel point in the two-dimensional pixelated image and the spatial position of the plurality of color center structures to obtain a second coded image; based on hyperfine coupling information between the electron spin of each color center structure and a plurality of atomic nucleus spin in a local lattice environment, determining target atomic spatial configuration information, and marking a second predetermined code corresponding to the spatial configuration information on each pixel point in the two-dimensional pixelated image to obtain a third coded image; and determining the combined information of the first coded image, the second coded image and the third coded image as the atomic-scale anti-counterfeiting code of the solid crystal.

The application relates to a multi-modal magnetic imaging device and method based on the fusion of NV color centers and a MEMS atomic gas chamber layer. The device comprises: a composite sensing chip, which is sequentially integrated from bottom to top with an NV color center sensing layer, a spacing coupling layer and a MEMS atomic gas chamber layer; the NV color center sensing layer can detect a near-field magnetic signal to generate an NV fluorescence signal in an excited state; the spacing coupling layer can isolate and couple the near-field magnetic signal to the MEMS atomic gas chamber layer; the MEMS atomic gas chamber layer can detect a coupled magnetic signal to generate a magnetic response light signal in a SERF working state; and a processing system can enable the NV color center sensing layer to be in the excited state, enable the MEMS atomic gas chamber layer to be in the SERF working state, and generate a fusion magnetic image based on the two types of signals. The application can solve the problem that related technologies cannot realize efficient magnetic flux coupling between an NV color center sensing unit and an atomic magnetometer of the SERF at a chip level, and realize high-sensitivity and high-fineness magnetic imaging.

The invention discloses a confocal light path system based on a diamond NV color center and a current detection method, and belongs to the technical field of quantum measurement, the confocal light path system comprises a main control module, an excitation light path module, a microwave driving module, a fluorescence collection module, a fluorescence processing module, an environment adaptive control module, an active feedback regulation and control module and a signal processing module, wherein the main control module is used for generating a synchronous time sequence control signal; the excitation light path module is used for generating, regulating and controlling excitation laser and guiding the excitation laser to the diamond NV color center sample; the microwave driving module is used for generating and applying a microwave field and a magnetic field to the diamond NV color center sample; and the active feedback regulation and control module is used for dynamically generating an optimization parameter instruction according to the preprocessed electric signal and the magnetic field information, and dynamically adjusting the working parameters of the excitation light path module and the microwave driving module. Through full-link modular integration and cooperative intelligent regulation and control, the NV color center current detection precision, stability and applicability are remarkably improved.

The invention relates to a fiber-coupled quantum sensor based on the color center principle, comprising: a sensor layer (1) in which color centers are formed, a first optical waveguide having a first numerical aperture for guiding an excitation light to the sensor layer (1), and at least one second optical waveguide having a second numerical aperture for guiding back a fluorescent light generated by the color centers, wherein the second numerical aperture is greater, in particular greater by at least a factor of 2, than the first numerical aperture.

The invention discloses a diamond NV color center resonance frequency determination method and device, terminal equipment and a storage medium, and belongs to the field of quantum measurement. The method comprises the following steps: sweeping the frequency of a to-be-detected diamond by a first intensity microwave source, and determining a first formant target frequency according to a first magnetic resonance spectrogram; taking the lowest point frequency of the second magnetic resonance spectrogram as the first formant frequency after the second intensity microwave source sweep frequency; judging whether the decrease amplitude of the ODMR signal at a second formant target frequency obtained at the first formant frequency and the center frequency exceeds a preset threshold value or not, if not, performing frequency sweeping again by using the first intensity microwave source to obtain a third magnetic resonance spectrogram, performing frequency sweeping by using the second intensity microwave source to obtain a fourth magnetic resonance spectrogram, and determining the second formant frequency; if yes, determining a second formant frequency according to the fourth magnetic resonance spectrogram; and taking the first formant frequency and the second formant frequency as the NV color center resonance frequency of the to-be-measured diamond. By implementing the method, the problem of low accuracy of the resonance frequency in the prior art can be solved.

The application relates to an error correction method and device of an NV color center Ising machine, electronic equipment and a readable medium. The method comprises the following steps: mapping an electronic spin state of an NV color center to a plurality of nuclear spins for redundant encoding; obtaining readout results of the plurality of nuclear spins; determining a corrected spin state based on a plurality of the readout results through a majority voting rule; and dynamically adjusting a control pulse parameter according to a statistical deviation in the error correction process. The application uses naturally existing nuclear spins around the NV color center as a redundant carrier, and can correct a flip error in a readout process without additional hardware resources, thereby significantly improving the overall fidelity of the Ising machine. Furthermore, the application suppresses the accumulation of systematic errors by dynamically adjusting the control pulse parameter, thereby solving the problems of error accumulation and fidelity decline in the measurement feedback iteration process of the NV color center Ising machine, and a large resource overhead of general quantum error correction.

The invention discloses a miRNA multiple detection method based on a diamond NV color center, which comprises the following steps: firstly, preparing a plasma nano-diamond: modifying amino on the surface of the nano-diamond containing the NV color center, then coupling silver nano-seeds through an electrostatic adsorption effect, and growing silver nano-particles with different particle sizes in situ; plasma nano-diamonds with different ultraviolet absorption peaks are obtained, and then the surfaces of the nano-diamonds and the plasma nano-diamonds are modified with single-chain DNA probes. The multiple detection of miRNA comprises the following steps: firstly, carrying out amination modification on the surface of a quartz substrate and modifying different DNA capture probes, then dropwise adding target miRNA, a nano-diamond DNA probe and a plasma nano-diamond DNA probe, and finally collecting a fluorescence spectrum and an optical detection magnetic resonance spectrum of nanoparticles on the surface of a sample through a microwave module, an optical path system and an infrared radiation system. According to the fluorescence spectrum shape and the optical detection magnetic resonance spectrum resonance frequency, various miRNAs are identified, and simultaneous and in-situ detection of various cancer markers can be realized.

The invention relates to the technical field of quantum precision measurement, and provides a sensing structure based on a diamond NV color center and a quantum magnetic probe. The sensing structure comprises a sensing optical fiber, a diamond, a first photoelectric detector and a second photoelectric detector; the beveled optical fiber is combined with the diamond NV color center, the beveled optical fiber is used for replacing a spectroscope to achieve laser beam splitting, part of beam-split excitation light is used as reference light for differential noise reduction processing, the measurement precision is improved, the structural size is small, and integration and miniaturization of the quantum probe are conveniently achieved.

This invention discloses a method, medium, control device, and measuring equipment for adjusting NV center-excited lasers, relating to the field of quantum measurement technology. The method is used in an NV center-excited laser calibration system. The system includes a laser for emitting a target laser, at least two adjusting lenses for expanding the target laser beam, and a focusing lens for focusing the expanded target laser beam to generate a laser spot. The method includes: adjusting the adjusting lenses according to the laser spot to match the laser incident surface of the target diamond; and adjusting the adjusting lenses according to the fluorescence intensity generated by the laser spot excitation of the NV centers in the target diamond to reduce the laser spot area and adjust its position on the laser incident surface, ensuring the fluorescence intensity meets the target excitation requirements. This enables rapid positioning of the NV centers, enhances laser concentration, improves laser intensity and utilization efficiency, thereby improving the accuracy and sensitivity of the measuring equipment.

The invention provides a self-adaptive multi-precision wide-field imaging device, a scanning system and a method, and the imaging device comprises a diamond containing an NV color center, an objective lens rotating disc, a plurality of objective lenses with different multiplying powers, an optical detection module and a microwave radiation device. The microwave radiation device comprises a plurality of microwave antennas and a rotating table, the microwave antennas are arranged on the rotating table at intervals, the radiation end of each microwave antenna extends out of the rotating table, the radiation end can be placed between the diamond and the objective lens located at the working position in a switchable mode by rotating the rotating table, and a through hole facing the diamond is formed in the radiation end. The aperture is reduced along with the increase of the objective magnification, and the radiation performance of the microwave antenna is enhanced along with the reduction of the aperture. The radiation performance of the microwave antenna corresponding to the high-magnification objective lens is effectively improved while the view field requirement is considered. And a suction pipe for adsorbing or releasing the diamond is arranged on the objective lens turntable, so that imaging and diamond adsorption and release operation are realized, and scanning imaging of the to-be-tested piece is realized.

The present application relates to a kind of high-efficiency solid-state magnetometer of exciting NV color center and its preparation method, belong to the preparation technical field of solid-state magnetometer.The solid-state magnetometer of the present application replaces traditional objective with adjustable focus fresnel zone plate S1, to realize the collimation focusing of excitation laser, its focal length can be adjusted by electric control;At the same time, superstructure S3 is made on the surface of diamond with NV color center, to realize the further concentration of microwave energy;In addition, by M / NEMS method, bevel is formed on the sidewall of diamond, and is plated with composite film structure, while realizing high reflection of fluorescence, the high reflection film is effectively protected.Therefore, the NV color center in the high-efficiency solid-state magnetometer of exciting NV color center of the present application is under the dual action of laser and magnetic field, realizes the microstructure of high-efficiency excitation, collection of fluorescence, to overcome the problems of current NV color center magnetometer, such as large volume, low integration level and low efficiency.