164 results about "Fluorescence spectrometer" patented technology

The invention relates to the technical field of geological exploration, in particular to an X-ray fluorescence spectrometer and geological radar combined gold vein rapid positioning method, which comprises the following steps: S1, arranging an exploration survey line in a pre-selected exploration area; s2, along the same measuring line, measuring the content of the gold mineralization indication element in the earth surface or the shallow medium by using an X-ray fluorescence spectrometer, synchronously recording the position information of a measuring point, and generating element content spatial distribution data; the gold mineralization indicating element comprises at least one of arsenic As, antimony Sb and mercury Hg; s3, carrying out detection by using a geological radar along the same measuring line, obtaining a reflected wave signal of an underground medium, synchronously recording position information of a detection point, identifying fault zone and joint zone geological structure anomalous bodies through data processing, and generating geological radar space distribution data; through XRF and GPR data fusion, a CAI quantitative model is established to precisely delineate an ore prospecting target area, a hidden ore body is effectively identified, the exploration precision and efficiency are greatly improved, and the exploration cost is reduced.

The present invention relates to the technical field of the preparation of Cr3+-doped fluorescent materials. Disclosed are the preparation of a Cr3+-doped fluorescent material and the use thereof in a plant light supplement lamp. The preparation comprises the following steps: weighing a matrix raw material and a Cr3+-containing raw material according to the stoichiometric ratio, and respectively grinding and then storing same in a dryer; placing the raw materials into a ball milling tank, and subjecting same to planetary ball milling for 3-6 hours; transferring same to an alumina crucible, and pre-sintering same for 2-5 hours; after secondary ball milling, adding a fluxing agent thereto; placing same in a high-temperature furnace and sintering same for 6-10 hours, and furnace cooling same or cooling same under the protection of an inert gas; and firstly coarsely crushing same, then grinding same to 10-30 μm, alternately cleaning same with deionized water and ethanol, drying same in an air dry oven, detecting and screening the product by using a fluorescence spectrophotometer, an X-ray diffractometer and a scanning electron microscope, and remanufacturing unqualified products after adjusting process parameters according to detection results. The present invention has a high light-emitting efficiency, and the spectrum thereof is suitable for plant photosynthetic absorption. When being applied to a light-supplementing lamp, plant growth can be promoted, the plant height and the chlorophyll content are significantly increased, and the natural spectrum is simulated, such that the material is suitable for multiple cultivation scenarios.

The invention discloses an atmospheric microparticulate monitoring device and method based on multi-mode sensing, and relates to the technical field of ecological environment monitoring. The device comprises a data acquisition system used for carrying out real-time sample acquisition and signal conversion on conventional pollution factors and meteorological parameters in air; the data analysis system is used for carrying out concentration analysis and early warning on the signals converted by the data acquisition system; the error evaluation system is used for performing error evaluation on the key indexes of the data acquisition system according to the acquired samples; and the data transmission system is used for carrying out cross-regional transmission on the sample acquired by the data acquisition system and the analysis result according to a sensitivity quantity algorithm based on an anonymous model. Real-time monitoring of atmospheric micro-particles with high accuracy and strong applicability is realized based on atmospheric monitoring standards independent of a meteorological monitoring framework, and reasonable adjustment of device parameters is realized by cooperation of the atomic fluorescence spectrometer and the enrichment sampling and pretreatment unit.

The invention discloses a targeted design and optimization method for an organic pollutant fluorescence sensing array and a signal acquisition device. The overall information of the array is obtained in a high-throughput manner in a fluorescence imaging mode; based on an inner filter effect sensing mechanism, the model selection of a sensing material and an optical device is carried out by taking the absorption spectrum characteristic of a target organic detection object as a starting point, and sensing optimization is carried out based on the controllability of weak interaction between the sensing material and the target detection object. The use process comprises two aspects of sample library construction and modeling and detection application. The method comprises the steps of sensing material selection, model selection of an excitation light source and a signal acquisition device, light path arrangement design and sensing performance optimization. The detection device disclosed by the invention has proper detection precision and portability, can replace a precise fluorescence spectrophotometer, and realizes low-cost, high-throughput and real-time field detection of a water body.

The invention relates to the technical field of position calibration, and provides a position calibration improved structure of an X fluorescence spectrometer, which comprises a spectrometer box, the bottom of the spectrometer box is fixedly connected with a base, the top of the spectrometer box is provided with a spectrum cavity, the outer surface of the spectrum cavity is provided with a visual sensor, and the visual sensor is connected with the base. Arc-shaped rails are symmetrically arranged on the two sides of the spectrometer box, the outer surfaces of the arc-shaped rails are slidably connected with isolation hoods, a sliding-out groove is formed in the bottom of the spectrum cavity, and a side groove is further formed in the inner wall of the spectrum cavity; the positioning unit is arranged at the bottom of the spectrum cavity and used for adjusting the position, the excitation unit is located above the positioning unit and emits X fluorescence, a material needing qualitative and quantitative treatment is put into the positioning unit, the positioning unit can drive the material to move to the position under the excitation unit, and the sample is bombarded by X rays to excite characteristic fluorescence; and non-destructive detection of qualitative and quantitative analysis of elements is realized.

1. The name of the design product: Fluorescence spectrometer (handheld). 2. The use of the design product: For analyzing the element composition and content in the substance. 3. The design points of the design product: In shape. 4. The picture or photo that best indicates the design points: Perspective view.

The utility model relates to the technical field of spectrometers, in particular to an X-ray fluorescence spectrometer which comprises a bottom plate, a mounting plate is fixedly mounted at the top of the bottom plate, a first sliding groove is formed in the mounting plate, a moving mechanism is mounted in the first sliding groove, two mounting frames are mounted at the top of the bottom plate, and the mounting frames are in bilateral symmetry. The two installation frames are provided with second sliding grooves, lifting mechanisms are installed in the second sliding grooves, a fixing rod is installed on the left side of the left installation frame, a controller is fixedly installed on the left side of the fixing rod, a display screen is installed on the front side of the controller, and control buttons are arranged on the lower side of the display screen. The whole inserting rod can be moved out of the inserting hole by moving the moving block towards the right side, then the grating receiver can be conveniently replaced in the later period, and the problem that the grating receiver is inconvenient to replace in the later period is solved.

The invention relates to a high-nitrogen stainless steel spectrum standard sample and a preparation method thereof. The preparation method comprises the following steps: a) smelting in a vacuum furnace, alloying and casting; b) forging the cast ingot to obtain a round ingot; c) processing the round ingot to obtain blocky samples, marking numbers on the blocky samples, and grouping the blocky samples; d) selecting more than 20 block-shaped samples from each group of block-shaped samples, carrying out homogeneity test by adopting direct reading spectrometry or glow spectrometry, and carrying out homogeneity statistics on each element according to a variance analysis method; and e) carrying out constant value analysis on the characteristic value, and taking the block sample with the element characteristic value meeting the requirement as a spectrum standard sample. The prepared spectrum standard sample can be used as a series of standard samples with known components for a direct-reading spectrometer, a glow spectrometer, a glow mass spectrometer and an X-ray fluorescence spectrometer; the method effectively solves the problem of rapid and accurate component detection of the high-nitrogen stainless steel, and has very important application value.

This utility model belongs to the field of optical measurement technology and discloses an atomic fluorescence spectrometer, including: a frame, a worktable, and a positioning component. The frame supports the atomic fluorescence spectrometer, and the worktable is connected to the frame for placing the sample to be tested. The positioning component includes a telescopic component, a movable component, a guide component, a squeezing component, and a rubber component. The telescopic component is disposed on the worktable, and its movable end is drivenly connected to the movable component. The movable component is movably disposed on the worktable. The guide component is connected to the movable component and slidably disposed on the worktable. The squeezing component is connected to the movable component, which can achieve squeezing and fixing of the sample to be tested, thereby effectively limiting the position of the sample and avoiding positional displacement caused by external factors during the detection process, thus ensuring the accuracy of the atomic fluorescence spectrometer detection results.

The invention provides a double-recognition probe template for diagnosis or / and auxiliary diagnosis of acute myocardial infarction. The invention provides a double-recognition probe for diagnosis or / and auxiliary diagnosis of acute myocardial infarction. The invention also provides a kit for diagnosis or / and auxiliary diagnosis of acute myocardial infarction. The invention further provides a double-target miRNA single-tube detection method based on combination of a double-recognition probe triggered RCA-CRISPR technology, and the double-target miRNA single-tube detection method is used for detecting the target miRNA by adopting the kit and adopting single-tube method CRISPR-Cas12a fluorescence / lateral flow chromatography. Wherein the target miRNA is miRNA-1 (micro Ribonucleic Acid) and / or miRNA-208 (micro Ribonucleic Acid). According to the invention, high-sensitivity detection of double targets of miRNA-1 and miRNA-208 is realized, the sensitivity is improved by 2 orders of magnitude compared with that of a standard method, and the detection time is greatly shortened; the fluorescence spectrophotometer is used for carrying out accurate quantitative detection, the macroscopic instant detection can be realized through the lateral flow test strip, and the kit is suitable for different detection scenes, especially for basic laboratories with limited resources or on-site rapid detection.

The invention relates to the technical field of traditional Chinese medicine detection, in particular to a method for identifying the production place and aging year of pericarpium citri reticulatae, which comprises the following steps: acquiring a pericarpium citri reticulatae powder sample, detecting characteristic elements by adopting a portable X-ray fluorescence spectrophotometer, inputting the characteristic elements into a production place prediction model, and identifying whether the pericarpium citri reticulatae is the production place of a new meeting area or not; adding ultrapure water into the powder sample of which the characteristic elements are detected, carrying out ultrasonic extraction, centrifuging, and taking supernate, so as to obtain a pericarpium citri reticulatae water extract; and measuring the pH value, the conductivity and the 420nm light absorption value of the dried orange peel water extract, and inputting into the year function model to identify the aging year of the dried orange peel sample. According to the method, through a mode of optimizing a sample treatment flow and integrating multiple models, one sample and one-time pretreatment are realized, and double-index identification of the production place and the aging year is synchronously completed. While the detection accuracy is ensured, the detection time is greatly shortened, the sample consumption and the operation complexity are reduced, and the requirements of on-site rapid detection and large-scale production area and year monitoring are met.

The invention relates to the technical field of strata facies type identification, in particular to a method and device for rapidly identifying shale strata facies, and the method comprises the following steps: obtaining a to-be-detected strata-containing shale sample; the method comprises the following steps: scanning a to-be-detected shale sample containing the strata by using a portable handheld X-ray fluorescence spectrometer, constructing a measuring point position, and measuring elements in the sample point by point at the measuring point position to obtain the mass percent content of the elements; performing contrast microscopic analysis, selecting corresponding part of point positions at the element measuring point positions to prepare rock slices, and identifying the exact lamina phase type of the rock slices under a microscope; according to the method, the element content in the to-be-detected shale sample containing the lamina is measured through the portable handheld X-ray fluorescence spectrophotometer, the lamina phase type is judged and identified through the element content, identification of a single lamina can be completed within one minute, identification of the lamina phase type can be rapidly completed in a field environment in a lossless and low-cost mode, and the identification accuracy is high. And the identification efficiency of the lamina phase type is improved.

1. Name of the product in this design: X-ray fluorescence spectrometer (portable). 2. Purpose of this design: For analyzing and measuring elements. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

The utility model discloses a china clay iron content detection device which comprises an X-ray fluorescence spectrophotometer body, a partition plate is arranged at the top of the X-ray fluorescence spectrophotometer body, an operation interface is arranged in front of the X-ray fluorescence spectrophotometer body, a sample testing cavity and a detection probe used for containing the X-ray fluorescence spectrophotometer body (1) are arranged on the partition plate, a bottom support is arranged above the sample testing cavity, and the bottom support is connected with the X-ray fluorescence spectrophotometer body (1). A sample cup is arranged above the bottom support, the sample cup is cylindrical, the bottom of the sample cup is open, the sample cup is used for placing a porcelain clay sample, and the bottom support is used for bearing the sample cup and the cut-off film; a baffle and a winding roller are arranged on the partition and located on the two sides of the sample cup respectively, a film outlet is formed in the baffle, a film box is placed on one side of the baffle, a film is pulled out from the outlet and extends to the gap between the bottom support and the sample cup to be placed on the winding roller, and the winding roller winds the film. The utility model belongs to the technical field of china clay iron content detection, and particularly relates to a china clay iron content detection device.

The invention discloses a method for co-treating salt-containing organic wastewater through step-by-step electrodialysis-similar electro-Fenton, and relates to the field of water pollution control, wastewater is collected and filtered through a filter membrane, and a humification index HIX is scanned and calculated through a three-dimensional fluorescence spectrophotometer; regulating and controlling the concentration of Cl <-> in the wastewater by utilizing a front catalytic electrodialysis unit according to the measured HIX index, and synchronously regulating the pH value to obtain a product I; adding a catalyst precursor Fe < 3 + > into the product I, starting Fe < 2 + > / HClO electro-Fenton catalytic reaction, and performing deep desalination through a rear catalytic electrodialysis unit to finally realize synergistic catalytic removal of salt and organic matters. The method has the advantages that the HIX index is taken as a judgment basis, the Cl <-> removal is dynamically adjusted to efficiently and safely operate in the collaborative electro-Fenton process, the collaborative efficient removal of organic pollutants and salt can be realized, the goal of'Cl <-> removal after utilization 'can be achieved, and the method is an ideal method for treating the salt-containing organic wastewater.

The utility model relates to the field of fluorescence spectrophotometer equipment, in particular to a novel fluorescence spectrophotometer optical fiber fixing support which comprises a base and a clamping jaw, a limiting seat is fixedly arranged at the top end of the base, a clamping block is movably connected to the top end of the limiting seat, a guide rod is connected to the top end of the clamping block in a threaded mode, and a sleeve is arranged on the outer surface of the guide rod in a sleeved mode. The clamping jaw is fixedly arranged on the side wall of the sleeve, a clamping groove is formed in the side wall of the clamping jaw, and a protective pad is fixedly arranged on the inner side wall of the clamping groove; compared with a traditional optical fiber fixing support of the fluorescence spectrophotometer, the stability of movement of the clamping block in the direction is improved through cooperation of the base, the limiting base, the clamping block and the buffering assembly, and vibration energy of the base can be converted into internal energy to be consumed through cooperation of the bottom plate, the spring, the damper and the top plate; and the heat conduction sheet and the bottom plate are matched to improve the heat transmission efficiency, so that the vibration influence on the guide rod, the sleeve and the clamping jaw is reduced, the optical fiber clamping stability is improved, and the signal transmission stability is improved.

The invention discloses a method for detecting silicon dioxide, calcium oxide and magnesium oxide in fly ash, which comprises the following steps: firing the fly ash at a certain temperature for a certain time, weighing a certain amount of fired sample, preparing a glass sheet by using lithium tetraborate-lithium metaborate as a flux and ammonium iodide as a release agent in a melting furnace at a certain temperature for a certain time, and then sintering the glass sheet in a sintering furnace at a certain temperature for a certain time. The X-ray fluorescence intensity of silicon, calcium and magnesium is determined through an X-ray fluorescence spectrometer, so that the determination of silicon dioxide, calcium oxide and magnesium oxide is completed. The method is simple to operate, high in analysis speed, accurate in result and easy to master.

The utility model discloses a downward illumination type X-ray fluorescence spectrophotometer which comprises a box body, the upper part of the box body is provided with a test panel, the test panel divides the box body into an operation cavity and a mounting cavity which are arranged up and down, and the test panel is provided with a test hole communicated with the operation cavity and the mounting cavity; the internal assembly comprises an X-ray light tube and a detector which are mounted in the operation cavity, and a light path formed by the transmitting end of the X-ray light tube and the receiving end of the detector in the mounting cavity faces the test hole; the sample testing table is slidably mounted on the testing panel in the operation cavity, and a through hole for placing a sample on the light path in the mounting cavity is further formed in the sample testing table; the adjusting mechanism is installed on the sample testing table and used for adjusting the position of the sample in the first direction and / or the second direction, the first direction is the length direction of the testing panel, and the second direction is the width direction of the testing panel. According to the utility model, the position of the sample can be accurately adjusted by using the adjusting assembly, so that the detection accuracy is improved.

The application provides a method for detecting the content of each component in a mixture, which is mixed by various inorganic raw materials, and comprises the following steps: step 1, grinding, mixing and uniformly taking a certain amount of each of the to-be-detected substance and various raw materials thereof as samples; step 2, heating and calcining each sample to obtain the ignition loss value of each sample, and then performing a melting sheet treatment on each sample; step 3, using an X-ray fluorescence spectrometer to measure each sample after the melting sheet treatment, combining the corresponding ignition loss value, obtaining the oxide content in the to-be-detected substance and various raw materials thereof, and obtaining the oxide content corresponding to the to-be-detected substance and various raw materials thereof and the characteristic spectrum; and step 4, according to the oxide content and the characteristic spectrum of the to-be-detected substance and various raw materials thereof, analyzing the content of each raw material in the to-be-detected substance by spectrum fitting and least square method algorithm. The application can quickly and accurately detect the component content of mixtures such as cement and soil, and confirm whether the product is qualified.

The invention discloses a method for detecting the content of each element in slag. The method comprises the following steps: 1) pre-melting a sample; 2) manufacturing a glass sheet; (3) carrying out spectrum detection on the glass sheet prepared in the step (2) by utilizing a fluorescence spectrophotometer; wherein in the step 1), a mixed flux of lithium tetraborate and lithium metaborate and sodium nitrate are used for pre-melting treatment of a sample, and a sample melt is obtained; in the step (2), a mixed flux of lithium tetraborate and lithium metaborate is used for conducting melting treatment on the sample melt again, and the glass sheet is obtained.By means of the method, determination of CaO, SiO2, MgO, Al2O3, MnO, TiO2 and P2O5 in the furnace slag can be completed at the same time.

This utility model discloses a safety warning triggering device for an energy-dispersive X-ray fluorescence spectrometer, comprising a sample triggering substrate for mounting and fixing the main body, a sliding component mounted on the sample triggering substrate, a sliding mounting plate mounted on the sliding component, a sample triggering plate connected to the sliding mounting plate, an inductive triggering piece mounted on the sliding mounting plate, a photoelectric switch mounted on the sample triggering substrate and corresponding to the inductive triggering piece, and an elastic component in contact with the sliding mounting plate and mounted on the sample triggering substrate for resetting the sliding mounting plate. This utility model uses a trigger signal generated by the displacement of the elastic component to provide a safety warning for samples transported at excessive heights, ensuring the normal operation of the equipment and protecting the sample from potential damage by strong forces, thus ensuring the safety of this expensive product.

1. The name of the design product: Energy Dispersive X-ray Fluorescence Spectrometer. 2. The use of the design product: for distinguishing and quantitatively measuring noble metals. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The invention provides a fluorescent anti-forgery ink luminescence effect characterization and quality control method, which comprises the following steps: adding a fluorescence correction agent into a solvent for constant volume, and preparing a standard solution; coating the printing ink on the surface of paper or dispersing the printing ink into a solvent to prepare a color developing sample or a solvent dispersing sample; respectively detecting and analyzing the ink sample and the fluorescence correction agent standard solution by adopting a fluorescence spectrophotometer, and correcting the fluorescence spectrum peak of the ink sample based on the response of the fluorescence correction agent to obtain a sample correction spectrogram; and constructing a quality control interval of the fluorescence response of the ink sample by taking the fluorescence response in the correction spectrogram of the series of ink samples as a data point, and evaluating the quality of a subsequent to-be-detected sample. The invention provides a sample preparation, correction and quality control method of a fluorescent anti-counterfeiting ink luminescence effect characterization system for the first time, provides a quantitative evaluation mode for fluorescent anti-counterfeiting, and solves the problems of poor visual observation accuracy and large subjective influence.

The utility model discloses a handheld X-ray fluorescence spectrophotometer which comprises a shell, the shell, a main body part and a holding part located below the main body part, a display screen is installed at the near end of the main body part, a testing head is installed at the far end of the main body part, a detector is installed in the testing head, and the detector is connected with the display screen. A signal processing assembly and an X-ray tube are installed at the position, close to the first heat dissipation plate, in the main body part, the transmitting end of the X-ray tube is arranged in the testing head, the transmitting end of the X-ray tube and the receiving end of the detector face the center of the testing window, and the X-ray tube, the detector and the Android industrial personal computer are all connected with the control panel through wires. And a plurality of heat dissipation plates are mounted on the outer side and / or the inner side of the main body part. According to the utility model, the plurality of heat dissipation plates are arranged near the high-power component, and comprise the first heat dissipation plate arranged on the shell, and the second heat dissipation plate and the third heat dissipation plate which are arranged in the shell, so that when the temperature of the whole equipment is too high, rapid heat dissipation is realized, and the temperature is reduced.

A microscopic confocal fluorescence spectrometer is provided. The microscopic confocal fluorescence spectrometer includes an optical system and an instrument body. By adopting an open microscopic fluorescence light path, a lens body part of an existing spectrometer microscope is omitted, so that the space behind an objective lens is significantly increased. By reasonably arranging a laser, a spectrum detection device and other components, the space on the side of the objective lens is further increased, and the occupied space of the optical system is reduced, so that the overall volume of the instrument is reduced, and the adaptability of the instrument is further improved. In addition, the spectrum detection device is arranged outside the second shell to facilitate the heat dissipation of the spectrum detection device, so that the heat stability and working reliability of the instrument are further improved.

The application discloses a transformer oil fluorescence excitation source and an optimal excitation wavelength selection method, belongs to the technical field of transformer fault diagnosis, and solves the problems of large volume and weight, high cost and inconvenient use of existing devices. The application selects the excitation wavelength of a monochromatic LED excitation light source by comparing the main peak intensity and the dispersion degree of sample characteristics under different excitation wavelengths, and the excitation wavelength is the excitation wavelength of the monochromatic LED excitation light source. The monochromatic LED excitation light source emits monochromatic excitation light, the excitation light is converged on the optical fiber head through a converging lens, the optical fiber head collects the excitation light and conducts the excitation light out through an optical fiber interface for exciting transformer oil to generate fluorescence. The device is simple in structure, directly uses a fluorescence spectrometer for excitation compared with the prior art, greatly reduces the volume and weight of the device, is convenient to use, and has a long service life and low cost.

This invention discloses a rapid method for detecting CTCs, belonging to the field of tetracycline detection technology. The invention uses a fluorescence spectrometer to measure the fluorescence intensity of the test solution containing fluorescent probes PEI-CuNCs and a surfactant. Compared with the fluorescence intensity of PEI-CuNCs, if a new blue fluorescence emission band appears at 425 nm and the blue-green fluorescence at 500 nm decreases, then the test solution contains CTCs. The detection method of this invention has advantages such as simple operation, speed, high sensitivity, good selectivity, low detection limit, and low cost. It does not require large-scale instruments or professional operators, and shows good spiked recovery rate in actual water sample testing, with reliable detection results and excellent practicality.

In an X-ray fluorescence spectrometer of the present invention, a quantification unit calculates a lower limit of detection on the basis of a calibration curve equation including an absorption / excitation correction term and an overlap correction term.

The spectrograph is used for placing a sample and detecting the sample in the X-ray fluorescence spectrograph, the sample testing cup comprises a hollow sleeve with two open ends, the first end of the sleeve is fixedly provided with a testing film, the second end of the sleeve is movably provided with a plunger, and the plunger is arranged in the hollow sleeve. A containing cavity used for containing a sample is formed among the testing film, the sleeve and the plunger, and an exhaust hole which penetrates in the axial direction of the sleeve and is communicated with the containing cavity is formed in the plunger. According to the sample testing cup disclosed by the utility model, the accommodating cavity for accommodating powder or liquid can be formed through the testing film, the sleeve and the plunger, and a sample in the accommodating cavity is compacted and exhausted through the plunger, so that the detection precision is improved; according to the sample testing cup disclosed by the utility model, the sealing ring is arranged between the sleeve and the plunger, so that the sealing performance of the accommodating cavity is ensured.

The invention relates to the technical field of combination of a testing machine and a fluorescence spectrometer, in particular to an in-situ mechanoluminescence combination interface for combination of the testing machine and the fluorescence spectrometer, and discloses an in-situ mechanoluminescence combination interface for combination of the testing machine and the fluorescence spectrometer, which is used for adjusting the distance, the angle and the relative height between the spectrum combination interface and a detected object by driving a fixed frame to move when a sliding block moves. The requirement for multi-angle accurate adjustment of the spectrum coupling interface is met, and manual pushing by workers is not needed. And the design of combined use of the matching groove and the fixing rod avoids angle and distance changes caused by mistaken touch in the use process. The spectrum coupling interface provided by the invention can be used for coupling an FLS980 steady-state transient fluorescence spectrometer and a tensile testing machine, the exciting light of the spectrometer is guided out by the optical fiber and excites a sample stretched on the testing machine through the spectrum coupling interface, and an emission signal can be guided into the spectrometer through the optical fiber in the stretching process and is detected by a spectrometer detector; therefore, optical parameters such as fluorescence spectrum and service life are obtained.