90 results about "Spectrograph" patented technology

The invention provides a soil stress monitoring method based on a distributed echo wall optical fiber cavity array, which innovatively utilizes a plurality of echo wall structures to realize distributed multi-point monitoring of soil stress in the same optical fiber, and accurately reflects the spatial distribution of the soil stress by monitoring the resonant frequency change of the echo wall structures; the method comprises the following steps: testing connection; monitoring the resonant frequency of the echo wall of the optical fiber echo wall array sensor; a wide-spectrum light source is adopted to excite an optical fiber to generate an optical signal, after the optical signal is transmitted by the optical fiber, when the optical signal passes through echo wall structures with different diameters of the optical fiber echo wall array sensor, the optical signal resonates at resonant frequencies of the echo wall structures, so that resonant trapped waves on multiple frequencies appear in a transmitted spectrum measured by a spectrograph; monitoring the resonant frequency change of the echo wall structure caused by the soil stress, and obtaining the spatial distribution information of the soil stress.

The invention relates to the technical field of surface topography measurement, and discloses a spectral interference surface topography measurement method and device based on a metasurface. The device comprises a spectrograph, a white light source, an optical fiber, a focusing metasurface and a dispersion metasurface, the focusing metasurface and the dispersion metasurface are arranged in parallel and aligned, a spherical thin lens and a micro-nano structure are arranged on the two sides of the focusing metasurface respectively, and a reflecting metal film is arranged between the two sides; a semi-transparent and semi-reflective film and a micro-nano structure are arranged on the two sides of the dispersion metasurface respectively; the focusing metasurface is used for converging parallel incident light, one part of light serves as reference light and is reflected and focused on the reflective coating by the semi-transparent and semi-reflective film, and the other part of light serves as measuring light and penetrates through the semi-transparent and semi-reflective film; the dispersion metasurface is used for carrying out axial dispersion on light penetrating through the semi-transparent and semi-reflective film, monochromatic light focused on the to-be-measured surface returns along a light path and interferes with reference light, and a confocal signal or an interference signal is generated to calculate morphology information of the to-be-measured surface. By adopting the device, high-precision surface topography measurement can be realized in a narrow space.

The invention belongs to the technical field of fluorescence spectrum collection, and particularly relates to a quasi-three-dimensional fluorescence spectrum collection method and spectrograph based on a software phase locking technology, and the method comprises the following steps: respectively modulating coprime modulation frequencies of a plurality of laser light sources with different wavelengths, and synchronously exciting the laser light sources to the surface of a sample; a fluorescence signal generated on the surface of the sample is received and processed by a linear array CCD detector to obtain a multi-wavelength spectral signal simultaneously containing background light, scattered light and fluorescence components; inputting the multi-wavelength spectral signal into a software phase-locked amplification system, introducing a Costas ring to the software phase-locked amplification system for real-time tracking and correction, and generating a synchronous reference signal consistent with the laser modulation frequency; inputting the synchronous reference signal into a software lock-in amplifier, and extracting a plurality of pure fluorescence spectrum components excited by specific-frequency laser; and synthesizing the plurality of pure fluorescence spectrum components to finally form a quasi-three-dimensional fluorescence spectrum.

The utility model discloses a belt coal flow coal quality detection device, and relates to the technical field of coal quality detection, the belt coal flow coal quality detection device comprises two support plates, the inner sides of the two support plates are provided with sliding chutes, the interiors of the sliding chutes are slidably connected with a sliding frame through sliding blocks, the front of the sliding frame is fixedly connected with two circular plates, and the circular plates are fixedly connected with the two circular plates. A first driving motor is arranged on the left side of a circular plate on the left side, a second driving motor is arranged on the right side of a circular plate on the right side, a circular sleeve and a second containing box can collect and sample coal above a conveying belt, and then the collected coal can be pulverized through a pulverizing rod in a pulverizing cylinder; according to the coal quality detection device, coal quality can be accurately sampled, the work of operators is relieved, the pulse laser and the spectrograph are matched for work, the spectrograph and the pulse laser are used for coal quality analysis, the components and characteristics of the coal quality can be accurately detected, the working efficiency and accuracy are improved, and the practicability is improved.

The spectrograph comprises a light-emitting element, a diaphragm, a light splitting element and a lead sulfide quantum dot photoelectric detector, the light-emitting element is used for emitting light, the diaphragm is arranged on a propagation path of the light emitted by the light-emitting element, and the diaphragm is used for limiting the width of the light which is emitted by the light-emitting element and passes through the diaphragm. The light splitting element is arranged on a propagation path of light rays irradiated by the diaphragm and used for dispersing the light rays irradiated by the diaphragm into light rays with multiple wavelengths, and the lead sulfide quantum dot photoelectric detector is arranged on the propagation path of the light rays dispersed by the light splitting element and used for receiving the light rays dispersed by the light splitting element and converting the light rays into electric signals. According to the spectrograph provided by the embodiment of the invention, the Pbs quantum dot photoelectric detector is adopted, so that the spectrograph can cover a relatively wide spectral region, the detector does not need to be replaced when the spectrograph performs detection, the detection efficiency is improved, and the cost is reduced.

The invention discloses a multi-emission composite nano ratiometric fluorescent probe for detecting fluoroquinolone antibiotics and a preparation method of the multi-emission composite nano ratiometric fluorescent probe. The CdTe-Tb-UMP composite nano ratiometric fluorescent probe with double ligands is prepared by taking metal terbium ions (Tb < 3 + >) as central ions and respectively taking uridine monophosphate (UMP) and CdTe quantum dots with red fluorescence emission as bridged ligands. ENR is further coordinated with Tb < 3 + >, energy is transferred to Tb < 3 + > through an antenna effect, so that characteristic green fluorescence of Tb < 3 + > is turned on, and fluorescence of CdTe quantum dots is almost kept unchanged. On the basis, a portable nursing point testing system is further constructed, and the portable nursing point testing system comprises an intelligent mobile phone detector and a wearable fingertip sensor integrated with a micro-fluidic chip and is used for on-site rapid detection of the ENR. The paper-based chip shows rapid and sensitive fluorescence response, and the detection limits of the spectrograph and the paper-based sensor on the ENR are 4.7 nM and 13.1 nM respectively. The probe can be applied to detection of ENR in actual environment water samples, food and drugs.

The utility model discloses a spectrograph which comprises a detection unit and a filtering reflection unit, the filtering reflection unit is arranged between a light source and the detection unit, a path through which light rays emitted by the light source pass is a light path, and the light path passes through the filtering reflection unit and the detection unit; one end, far away from the filtering and reflecting unit, of the detection unit is used for approaching or extending into an object to be detected, the other end of the detection unit and the filtering and reflecting unit are arranged at an interval, the detection unit comprises a light guide part and a photoelectric detector, and the photoelectric detector is far away from the filtering and reflecting unit relative to the light guide part; light emitted by the light source can penetrate through the light guide piece and is received by the photoelectric detector after reaching an object to be detected; the filtering reflection unit is used for focusing light emitted by a light source and then reflecting the light to the light inlet end of the light guide part. According to the utility model, the filtering reflection unit and the detection unit are separately arranged, the heat dissipation and easy maintenance are improved, the process complexity is reduced by collecting light, and the utilization rate is improved.

The invention relates to the technical field of optical measurement, in particular to a system and a method for measuring infrared transmissivity of a material under gas radiation interference, and the system comprises a gas heat source system, a transmissivity testing system and a data acquisition and processing system, the gas heat source system provides high-temperature radiation gas for a test cavity of the transmissivity test system; the black body and the spectrograph directly face two to-be-tested materials which are oppositely arranged on the test cavity; and the data acquisition and processing system acquires state parameters of the high-temperature radiation gas, the temperature of the to-be-measured material and optical signals of the spectrograph. According to the invention, the high-temperature radiation gas with controllable state parameters is provided for the test cavity through the gas heat source system, and different gas radiation interference environments are simulated; a spectrograph is used for measuring optical signals, and a data acquisition and processing system is used for acquiring state parameters of high-temperature radiation gas and the temperature of a to-be-measured material, so that data is provided for real infrared transmissivity calculation of the material under radiation interference of different gases.

The embodiment of the invention discloses a drive circuit of a spectrometer and a spectrum detection system, and the drive circuit comprises an oscillation circuit which receives a first control signal and generates a first signal according to the first control signal, and the first signal is a sine wave signal; the shaping circuit receives the second control signal and the first signal and generates a second signal according to the first signal, the frequency of the first signal is equal to that of the second signal, and the second signal is a square wave signal with a preset duty ratio; the amplitude modulation circuit receives the third control signal and the second signal and generates a third signal according to the second signal, and the amplitude of the third signal is different from that of the second signal; and the buffer circuit receives the third signal and generates a driving signal according to the third signal, and the driving current of the driving signal is determined based on the amplitude of the third signal. Based on the control signal, the signal generated by the oscillation circuit is processed by the shaping circuit and the amplitude modulation circuit, and the driving signal with the preset duty ratio and adjustable frequency and amplitude is output.

The utility model is suitable for the technical field of electric power engineering, and provides an electric power engineering construction investigation device which comprises an unmanned aerial vehicle body, a camera, a spectrograph, an infrared remote sensing analyzer and a glass protective cover are installed on the bottom face of the unmanned aerial vehicle body, and a cleaning mechanism is further arranged on the bottom face of the unmanned aerial vehicle body. The cleaning mechanism comprises a mounting shaft rotationally mounted on the glass protective cover, sweeping rods fixedly mounted on the mounting shaft and a driving assembly for driving the multiple sweeping rods to synchronously rotate, the sweeping rods are in clearance fit with the outer side face of the glass protective cover, and wiping strips are arranged on the inner walls of the sweeping rods; the glass protective cover provides protection for the camera, the spectrograph and the infrared remote sensing analyzer, and equipment is prevented from being impacted by foreign objects and polluted by dust, water vapor, rain, snow and the like. And the cleaning mechanism can clean the glass protective cover to ensure that the surface of the glass protective cover is clean, so that internal equipment can obtain clear and accurate data, and the problem of equipment performance reduction caused by lack of protection and cleaning of an existing device is solved.

The invention discloses an electromagnetic shielding new material component analysis device, and relates to the technical field of material analysis, a cover plate is opened, a worker places a material on a laser lens, the material is fixed through a positioning assembly to achieve a positioning effect, a handle is pulled to drive the cover plate to flip, the cover plate is supported through a hydraulic rod, and the material is placed on the laser lens. The surface of the working platform is rubbed through the wiping assembly, so that impurities on the surface of the part are cleaned, the impurities are prevented from covering the laser lens, the influence on the subsequent operation efficiency is avoided, heat or gas is prevented from being easily accumulated in the spectrometer shell, and the impurities in the spectrometer shell are absorbed and cleaned through the processing part; the accuracy and reliability of detection data are guaranteed, the gas in the spectrograph shell is absorbed and cleaned through the processing part, so that the interference of the gas on a detection signal is eliminated, the data accuracy is guaranteed, the core part of equipment is protected, and the service life is prolonged.

The invention discloses an LCoS box thickness measuring method and equipment. The device comprises a light source, a fiber optic spectrometer, a communication module and a calculation module. The measuring method comprises the following steps: 1, acquiring an environment dark spectrum and a spectrum of a light source by a fiber optic spectrometer; 2, light of each wavelength enters each pixel point of the LCoS device, forms two beams of coherent reflected light on the surfaces of the upper substrate and the lower substrate respectively, and enters the optical fiber spectrometer; 3, the communication module automatically obtains the model and serial port information corresponding to the spectrograph; 4, the communication module transmits the spectral data back to the data calculation module, filters the input data and compares the filtered data with a background spectrum to obtain an interference spectrum; and 5, automatically identifying the interference spectrum waveform by a calculation module, and calculating to obtain the box thickness and the box thickness uniformity of the LCoS device. The LCoS box thickness measuring equipment is simple in composition and convenient to use, the measuring method is high in automation degree, the LCoS box thickness measuring efficiency and precision can be remarkably improved, and the practical engineering significance is achieved.

The invention discloses a picture type image space scanning hyperspectral imaging system, and belongs to the technical field of remote sensing imaging. The system comprises a telescope system, an image space scanning combined mirror, a slit protection assembly, a spectrometer and a detector. The image space scanning combined mirror is composed of a first reflecting mirror and a second reflecting mirror, and the reflecting surfaces of the first reflecting mirror and the second reflecting mirror are in a V shape with an included angle of 90 degrees and form an included angle of 45 degrees with the optical axis. The combined mirror is used as a unique moving part in the system, performs linear reciprocating motion along the direction perpendicular to the optical axis, sequentially pushes and scans two-dimensional pictures formed by the telescope system into the slit, and is received by the detector after being split by the spectrograph, so that picture type hyperspectral imaging of a rectangular area of an object space is realized. Scanning can be completed only through movement of a single component, the structure is simple and compact, dependence on satellite platform control precision and resources is remarkably reduced, the device is suitable for various telescope configurations, and a reliable solution is provided for large-caliber hyperspectral imaging loads.

The invention discloses a spectrometer optical path structure based on photoacoustic composite film thickness detection, a mechanical device and an adjustment method thereof, and relates to the technical field of optical coherence tomography. The light path structure comprises a collimating lens group used for collimating an incident light beam into parallel light; the reflecting element is obliquely arranged and is used for reflecting the collimated light beam; and the grating element is used for splitting the reflected light beam. An achromatic collimating lens group, a high-diffraction-efficiency body phase holographic grating and a glass material with an extremely low dispersion coefficient are used as focusing lenses to build a light path structure, through precise optical design, the RMS radius of a light spot with a single wavelength is optimized to be close to a diffraction limit, more than 95% of light energy is concentrated in a tiny area, and the light path structure is optimized to be uniform. The extremely high energy concentration ratio effectively reduces the requirement for the pixel size of the camera, the overall signal-to-noise ratio and spectral resolution of the system are remarkably improved, and the inherent disadvantages that an infrared indium gallium arsenic camera is small in pixel and low in signal-to-noise ratio are successfully overcome.

The invention provides a method for testing inherent frequency of yarn based on sound non-contact excitation, and belongs to the field of spinning. According to the method, yarn vibration is excited through sound in a non-contact mode, and resonance is generated when the sound frequency is close to the inherent frequency of yarn. According to the method, a yarn inherent frequency detection device is established and comprises a light source, an incident optical fiber, a receiving optical fiber, a tension bracket device, a loudspeaker, a spectrograph, a computer and the like. During testing, it is determined that the reference position of the yarn should be higher or lower than the horizontal diameter of the center of the circular light source, received light intensity information changes caused by vibration of the yarn are collected through a spectrograph, and the collected light intensity signals are processed through fast Fourier transform (FFT). The method utilizes sound to excite yarn vibration in a non-contact mode, has the advantages of being simple in equipment, easy to operate and popularize and the like, and makes contributions to prediction of inherent attributes of the yarn and judgment and analysis of sound characteristics.

A spectrograph element lamp bracket comprises a bracket body, the interior of the bracket body is of a hollow structure, a partition plate is arranged in the bracket body, a wire passing hole is formed in one side of the partition plate, a mounting table is arranged above the other side of the partition plate, a mounting screw hole is formed in the mounting table, a heat dissipation groove is formed in the surface of the mounting table, and three faces of the heat dissipation groove are open. And the other side is separated from the wire passing hole through a clapboard. Compared with the prior art, the spectrograph element lamp holder has the advantages that the heat dissipation groove is additionally arranged below the light source for heat dissipation, and the heat dissipated by the heat dissipation groove is separated from the connecting wire in the wire passing hole by the partition plate, so that the influence of the heat on the circuit is reduced, and accelerated aging of the connecting wire due to heating is avoided.

The invention discloses a superconducting nanowire detector and a superconducting nanowire time-resolved single-photon spectrometer. The superconducting nanowire detector comprises a light response unit adopting a 1 * N discrete linear array structure, adjacent single detection units are spaced through delay lines, the delay lines on the two sides of the light response unit are connected with electrodes through gradient line units, and the gradient line units are arranged at the edge of the light response unit. Similar structure units which are in mirror symmetry with the gradual change line units are arranged on the two sides of the gradual change line units. The spectrometer comprises a displacement table, an optical fiber, an optical fiber focus lens, a diffraction grating, a focusing lens, the superconducting nanowire detector and a reading circuit. According to the detector, the current crowding effect can be avoided, the improvement of critical current and the reduction of dark count are realized, and the formation of an ultra-large-area superconducting nanowire linear array layout is facilitated. The spectrograph calibrates a spectrum through position mapping, wavelength information of incident light can be obtained only by measuring time difference, and the time resolution capability is achieved.

The invention discloses a Raman detection device, and relates to the technical field of detection devices.The Raman detection device comprises a laser, a beam expander, an objective lens assembly and a spectrograph, the laser is used for emitting laser in the first direction, the beam expander is located in the first direction and used for receiving the laser and converting the laser into annular laser, and the objective lens assembly is located in the spectrograph; the objective lens assembly comprises a first convex lens, a dichroscope and a second convex lens, the dichroscope is arranged between the first convex lens and the second convex lens, and the dichroscope is used for reflecting the annular laser, so that the annular laser penetrates through the first convex lens along a second direction and is focused on the surface of the to-be-detected sample, and the to-be-detected sample is excited to generate Raman scattering light; raman scattering light sequentially penetrates through the first convex lens, the dichroscope and the second convex lens in the third direction, and the spectrograph is used for collecting the Raman scattering light penetrating through the second convex lens. According to the technical scheme provided by the invention, the accuracy and reliability of a detection result can be improved while the depth of spectrum detection is improved.

The invention discloses a spectrograph-based titanium alloy component determination method and system. The method comprises the following steps: focusing a first laser pulse to act on the surface of a titanium alloy sample to be detected to generate an initial excitation region; after a preset delay time after the first laser pulse acts, a second laser pulse acts on the initial excitation area; collecting spectral signals emitted by the initial excitation region in at least two different preset polarization analysis directions during the action period of the second laser pulse to obtain polarization resolution spectral data; obtaining a feature analysis signal of the target element; and according to the characteristic analysis signal of each target element, calculating to obtain the component content of each element in the titanium alloy sample to be detected. Spectral signals are collected in at least two different preset polarization analysis directions to obtain polarization resolution spectral data, and response signals of the polarization resolution spectral data in a specific polarization direction combination are calculated to obtain characteristic analysis signals, so that isotropic background radiation and spectral line interference of non-target elements are effectively inhibited from the physical principle.

The utility model discloses a novel heating cavity structure capable of realizing uniform temperature and rapid refrigeration, which is characterized by comprising a shell, and a cushion block is arranged in an inner cavity of the shell; the cuvette frame is mounted on the upper side of the cushion block, and a spring piece, a lifting rod, a positioning pin and a joint are arranged on the cuvette frame; the temperature control device is arranged on the lower side of the cushion block and comprises a magnet and a motor, the magnet is installed on the motor through a coupler, the driving end of the motor is provided with a heat exchanger, the heat exchanger is connected with the cushion block, and a semiconductor chilling plate is further arranged between the heat exchanger and the cushion block. According to the semiconductor temperature control structure disclosed by the utility model, the cuvette can be in a temperature range of 0-80 DEG C, the temperature control precision is 0.01, the temperature accuracy is + / -0.05, the cuvette is more accurate and quicker to heat and cool, the structure is simple, the mounting and the dismounting are convenient, the data is more accurate when a spectrograph is used for testing a solvent in the cuvette, the efficiency is improved, and the working time is shortened.

The invention provides methods and apparatus comprising a laser source that uses a single unfocused pulse of a low intensity but high power laser over a large sample area to collect Raman scattered collimated light, which is then Rayleigh filtered and focused using a singlet lens into a stacked fiber bundle connected to a customized spectrograph, which separates the individual spectra from the scattered wavelengths using a hybrid diffraction grating for collection onto spectra-specific sections of an array photodetector to measure spectral intensity and thereby identify one or more compounds in the sample.

The invention relates to the technical field of water environment detection, in particular to a water quality spectrum detection device and method.The water quality spectrum detection device for freshwater aquaculture water comprises a water inlet connector, a water outlet connector, a first branch pipe, a second branch pipe, a spectrograph, a pipe end cover and an expansion plate; the first branch pipe is connected between the water inlet connector and the water outlet connector. The first branch pipe and the second branch pipe are arranged, so that two water circulation flow paths are constructed, the water circulation flow path where the second branch pipe is located is used during water circulation, the water circulation flow path where the first branch pipe is located is used during detection, the detection area of the first branch pipe is temporarily closed, then the volume of the detection area is controlled to be slightly increased, and the detection accuracy is improved. The first branch pipe is arranged in the cavity, so that a cavity with a certain volume is formed at the top of the first branch pipe to facilitate upward separation of bubbles, and the spectrograph is in a horizontal position during detection, so that the influence of the bubbles on light beams emitted by the spectrograph can be reduced to the maximum extent.

The utility model can be used in astronomical optics, including for obtaining photographic images of objects in monochromatic rays. The essence of the utility model is that in a device for obtaining photographic images of objects in any spectral interval, consisting of a node defining the boundary of the image field, a spectrograph, input and output slits, a photorecording device with a camera button, and a motor, according to the utility model, an image focusing node is additionally provided in front of the input and output slits, Also, a double-sided reflecting mirror and a motor for linear movement of this double-sided reflecting mirror are included symmetrically between the junction defining the boundary of the image area and the registration device.

The application discloses a filter transmittance measuring device and method based on a FOSC astronomical spectrometer, and belongs to the field of astronomical observation instrument detection and calibration, and comprises a spectrometer body, a multi-hole template, a filter mounting mechanism, a light source module and a data processing unit; wherein the multi-hole template is arranged at a focal plane and is used for dividing an image plane into a plurality of sampling sub-beams; the filter mounting mechanism at least comprises a first mounting station arranged at a rear adjacent position of the multi-hole template and a second mounting station arranged in a collimating light path, and is respectively used for measuring spatial position transmittance distribution and incident angle transmittance response of a filter to be measured. The light source module comprises a line spectrum calibration light source and a continuous spectrum measuring light source. The device and method can realize in-situ characterization of the filter in a real working light path of the FOSC astronomical spectrometer, and are especially suitable for measuring spatial uniformity and angle response of a narrow-band filter under real working conditions.

The invention relates to a device and a method for realizing spontaneous / stimulated Raman high-spatial-resolution observation of suspension droplets by using aerosol optical tweezers, belongs to the technical field of optical capture and particle detection, and solves the problem that the existing aerosol optical tweezers are difficult to realize high-spatial-resolution observation of the droplets. The device comprises an imaging aiming module and a signal acquisition module located at the downstream of the imaging aiming module. The imaging aiming module comprises a rotary console and a translation console; and the signal acquisition module comprises an optical filter, a spectrograph and an imaging CCD (Charge Coupled Device).

The present application discloses various embodiments of a high-resolution spectrograph. In one embodiment, the high-resolution spectrograph includes a light source, a housing, at least one adjustment device secured to the housing, and an optical detector secured to the adjustment device. At least one dispersive optical element is positioned in optical communication with the light source and the optical detector, wherein the dispersive optical element is configured to diffract at least a portion of an incident optical signal from the light source as a diffracted optical signal propagating toward the optical detector, wherein the optical detector is configured to measure at least one property at least one wavelength component of the diffracted optical signal. The adjustment device is configured to change the position of the optical detector relative to the dispersive optical element to optimize the image width of the wavelength component of the diffracted optical signal.

The utility model relates to a spectrograph. The spectrograph comprises a light-emitting element, a diaphragm, a light splitting element, a polarization element and a photoelectric detector. The light-emitting element is used for emitting light, the diaphragm is arranged on a propagation path of the light emitted by the light-emitting element, the light splitting element is arranged on the propagation path of the light irradiated by the diaphragm and is used for dispersing the light irradiated by the diaphragm into light with multiple wavelengths, and the polarization element is arranged on the propagation path of the light dispersed by the light splitting element and is used for polarizing the light with multiple wavelengths. And the photoelectric detector is used for carrying out polarization processing on the light rays formed by dispersion of the light splitting element, is arranged on a propagation path of the light rays irradiated by the polarization element, and is used for receiving linearly polarized light rays formed by polarization processing of the polarization element and converting the linearly polarized light rays into electric signals. The polarization element is arranged between the light splitting element and the photoelectric detector for polarization processing, and linearly polarized light is converted into an electric signal through the photoelectric detector so as to realize detection of the spectrograph on the linearly polarized light.

The utility model relates to the technical field of near infrared spectrum detection, in particular to a portable near infrared spectrum analyzer which comprises a box body upper cover and a box body lower shell which are of an up-down opening and closing structure, an upper panel is fixed in the box body upper cover, an industrial personal computer is fixed on the upper panel through a screen fixing support, and the industrial personal computer is provided with an antenna for wireless communication; according to the utility model, the light source and the spectrograph are built-in and added with protection, a light path is externally arranged through the optical fiber, various signals such as projection, reflection, scattering, fluorescence and the like can be measured, and the measurement mode is flexible; a detection sample rack is freely matched, various measurement models are arranged in the system, the system can be suitable for various types of sample detection scenes, a liquid sample measurement rack, a solid sample measurement rack and various accessories are configured, free combination is achieved, the functions are comprehensive, the DIY capacity is high, and use is flexible; the system has data storage, analysis and processing capabilities, can upload data to a platform in real time through a wireless network, and meets the requirements of some special application scenes.

The invention provides a spectrograph, an integrated system based on artificial intelligence and a sample parameter analysis method.The integrated system based on artificial intelligence comprises the spectrograph and one or more servers, and each server is provided with an artificial intelligence module. Namely, the Internet of Things technology, the compact spectrum analysis technology, the intelligent terminal and artificial intelligence are organically integrated, so that the target sample can be accurately identified and represented. Further, a micro spectrometer that can be applied to smartphones or other portable electronics is designed that uses non-spherical surfaces, toric mirrors and cylindrical lenses, providing a good balance between resolution and luminous flux, and providing improved stray light interference suppression. In this way, rapid, accurate and real-time analysis can be provided, a user can obtain clear information and personalized suggestions about a target sample, and the method is particularly suitable for medical and chemical samples in the field of high performance liquid chromatography.

The invention provides a method, a system and equipment for calculating the sampling frequency of a spectrograph and a storage medium, and relates to the technical field of semiconductor detection, and a time window set of a reference parameter and a key event obtained by querying a historical knowledge base provides a prior basis for configuration of the sampling frequency; a real-time adaptation factor is generated based on the collected spectral data in each sampling period, and the real-time change of the current working condition can be reflected; the target sampling frequency is configured by combining the time of the timer and the time window set matching result of the key event, the reference parameter and the real-time adaptation factor, the sampling frequency can be adaptively configured based on the key event, and distribution of sampling resources according to needs is achieved; the target sampling frequency is used for the next sampling period to form a continuous closed-loop updating mechanism, so that the optimal sampling strategy is dynamically generated without continuous manual intervention, and reliable monitoring of the process core quality forming process is guaranteed while the overall efficiency of data acquisition is greatly improved finally.