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35 results about "Diamond color" patented technology
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A chemically pure and structurally perfect diamond is perfectly transparent with no hue, or color. However, in reality almost no gem-sized natural diamonds are absolutely perfect. The color of a diamond may be affected by chemical impurities and/or structural defects in the crystal lattice. Depending on the hue and intensity of a diamond's coloration, a diamond's color can either detract from or enhance its value. For example, most white diamonds are discounted in price when more yellow hue is detectable, while intense pink diamonds or blue diamonds (such as the Hope Diamond) can be dramatically more valuable. Of all colored diamonds, red diamonds are the rarest. The Aurora Pyramid of Hope displays a spectacular array of naturally colored diamonds, including red diamonds.
Assessment of diamond color
InactiveUS20090182520A1Quality of colorImprove assessment accuracyInvestigating jewelsSpecial data processing applicationsDiamond colorComputer science
Disclosed are methods and devices for assessing the colors of diamonds. In embodiments, the color of finished diamonds cut from a given rough diamond is assessed by analyzing the effect on light interacting with the rough diamond to give a reasonable (that is to say commercially significant) assessment of the color quality of the finished diamond.
Owner:PLATFORM DEV & INVESTMENT
Diamond color center gyroscope based on Aharonov-Anandan geometric phase and angular velocity measuring method
The invention discloses a diamond color center gyroscope based on Aharonov-Anandan geometric phase and an angular velocity measuring method. The gyroscope comprises a reflector, a permanent magnet, a substrate, a diamond sample, first microwave coils, second microwave coils, multiple area array CCDs, multiple filters, a third microwave coil, a first convex lens, a laser device, a polarizing sheet, a dichroscope and a second convex lens. The method for measuring angular velocity by means of the diamond color center gyroscope is further provided. The gyroscope has the advantages of being small in size, large in measuring range and the like, and therefore the gyroscope has potential application in producing ammunition.
Owner:UNIV OF SCI & TECH OF CHINA
Method and system for detecting diamond color center spin in sensing way based on microwave phase modulation spectroscopy technology
ActiveCN107024495ARemove complexityReduce instabilityAnalysis using electron paramagnetic resonanaceDiamond colorData acquisition
The invention discloses a method for detecting diamond color center spin in a sensing way based on a microwave phase modulation spectroscopy technology. The method comprises the following steps: (1) symmetrically installing a microwave transmitting end (4) and a microwave receiving end (5) at the inner side of a diamagnetic circular ring (8), wherein the microwave transmitting end (4) is connected with a microwave source, and the microwave receiving end (5) is connected with a data acquisition port of a field programmable gate array (FPGA) or a signal input end of an oscilloscope card, or the microwave receiving end (5) is respectively connected with the signal input end of the oscilloscope card and the data acquisition port of the FPGA by a port divider. According to the method, resonance signals of diamond color center atoms are detected in combination of the microwave phase modulation spectroscopy technology, the electronic energy level is excited by using laser, an external magnetic field is scanned, and the change of microwave signals is detected by means of an absorptive action of a diamond color center ground state energy level for a microwave field, so that color center spin information is read. The detection method is simple and convenient and high in accuracy, eliminates the complexity and instability of a light path, and increases the signal-to-noise ratio of atomic magnetic resonance.
Owner:ZHONGBEI UNIV
Ia type diamond color quick grading method based on spectrum
ActiveCN103090973AEasy to operateFast and Accurate TestingColor measuring devicesReflectance spectroscopyDiamond color
The invention discloses an Ia type diamond color quick grading method based on a spectrum. The Ia type diamond color quick grading method based on the spectrum comprises that balanced compound light is emitted on a to-be detected diamond, and the compound light which is reflected through the to-be detected diamond is collected through an integrating sphere. After the light collected by the integrating sphere is split, a charge coupled device (CCD) detector is used for detecting so as to obtain a reflectance spectrum of the to-be detected diamond. After the reflectance spectrum of the to-be detected diamond is uniformized, a nitrogen absorption band is selected from the uniformized reflectance spectrum, and then the area of the nitrogen absorption band is calculated. Compared the area of the nitrogen absorption band with a standard threshold value file, the color of the to-be detected diamond is graded. According to the Ia type diamond color quick grading method based on the spectrum, the nitrogen absorption band is selected from the reflectance spectrum of the collected to-be detected diamond and the area of the nitrogen absorption band is calculated, then the area of the nitrogen absorption band is compared with the standard threshold value file, and so that the grading of the color of the diamond is achieved. The Ia type diamond color quick grading method based on the spectrum is simple in operation, quick and accurate in testing, high in consistency and capable of being widely used in the jewelry identification industry.
Owner:BIAOQI ELECTRONICS TECH
Method for improving diamond NV color-center photon producing and collecting efficiency
InactiveCN107394573AImprove conversion efficiencyImprove coupling strengthActive medium shape and constructionColour centreDiamond color
The invention discloses a method for improving diamond NV color-center photon producing and collecting efficiency. The exciting effect of a 532 nm light field on a diamond NV color center is achieved by the aid of local effect of hollow optical fiber, and photons emitted by the NV color center are trapped in the optical fiber and are transmitted along the optical fiber; a transmitter lens is added to the other end of the optical fiber to feed back 532nm laser to the optical fiber, and the photons generated by the diamond NV color center are fed back to the optical fiber. The photons emitted by the diamond color center in the optical fiber are collected forward and backward, and the collecting efficiency can approximate to 100%; high photon collecting efficiency is achieved; due to existence of the local efficiency of the optical fiber and a feedback mechanism, the NV color center is excited only by weaker 532nm laser, and higher photon producing efficiency can be achieved; simpleness in structure is achieved, operation is convenient, and application prospect is wider.
Owner:HEFEI UNIV OF TECH
Measurement instrument for removing influence of size factor on color accuracy of diamond
InactiveCN102680103AAccurate color measurementResolving Color Measurement DiscrepanciesRadiation pyrometryColor measuring devicesSize factorDiamond color
The invention discloses a measurement instrument for removing influence of a size factor on color accuracy of a diamond. The measurement instrument comprises an integration ball with detecting equipment. A sample positioning device is mounted on an integration ball main body; and a sample positioning groove for bearing the diamond is arranged in the sample positioning device. According to the measurement instrument provided by the invention, the diamond color measurement is carried out by using an improved integration ball of an optical instrument, so that the problem of influencing the measurement accuracy by color difference, caused by different diamond sizes and different generated light ranges in the diamond color measurement, can be solved.
Owner:南京宝光检测技术有限公司
Automatic measuring method for color grading of diamonds
InactiveCN106840404AMeet the vertical viewing conditionsEasy to rotate the measuredColor measuring using electric radiation detectorsDiamond colorTest sample
The invention relates to a measuring technique for gemstone colors, particularly discloses an automatic measuring method for color grading of diamonds. The method is characterized in that a pavilion area of an under-tested diamond sample is perpendicular to an microscope zoom lens, a light is diffused and enters the under-tested diamond sample; after an amplified signal is amplified by the zoom lens, a beam of light enters an image CCD to form an imaging and displayed in the positioning display. Another beam of light into a spectrometer, an optical signal spectral acquisition is collected and a color coordinates x, y of the under-tested sample is measured. A system program converts the x, y values of the color coordinates into color gradation values which conform to the human eye's grading system automatically. An essential difference between the method of present invention and a currently used color measuring system are as follow: the automatic measuring method for color grading of diamonds can realize the automatic grading of diamonds according to the human eye observation condition and solve problems about a measuring discrepancy and a color grading error which cannot be solved by the conventional diamond color measuring system.
Owner:SHANDONG MEASUREMENT SCI RES INST
Automatic grading measurement method of diamond color
ActiveCN106679811AEliminate linearity errorsHigh precisionColor measuring devicesDiamond colorLower grade
The invention discloses an automatic grading measurement method of diamond color; the method includes steps of adjusting lighting and observing conditions so that the testing environment is consistent with environment observed by human eye; accurately positioning by a microscope zone so that the tested point is completely consistent with the measurement position point of a standard colorimetric stone when diamonds with different grains are measured; collecting an image signal and a spectral signal of a sample waist part and a pavilion and every position closing to the bottom point; contrasting a color coordinate of the measurement sample with the color coordinate of every grade standard colorimetric stone point by point; calculating the differential value between the color coordinate of the measurement sample and the color coordinate of every grade standard colorimetric stone, making the color grade of the measurement sample close to the national standard grade with the minimum differential value of the chromaticity coordinate; if the differential value of the color coordinate is consistent with two grades of standards, closing to the lower grade standard. The method guarantees the consistence of the diamond color grading and human eye observation by the automatic measurement system, simulates the traditional colorimetric environment of human eyes, and reduces the bias of the measurement system caused by different observing conditions.
Owner:石朴(上海)光学科技有限公司
Microcosmic electrical impedance imaging device and method based on diamond NV color center
ActiveCN111504884AImprove spatial resolutionIndividual particle analysisMetallic electrodeDiamond color
A microcosmic electrical impedance imaging device based on a diamond NV color center comprises a magnetic field imaging module adopting a diamond ensemble NV as a weak magnetic field detector; a microwave radiation structure module which adopts an omega-shaped radiation structure as a microwave antenna to radiate a microwave magnetic field to the diamond NV color center; a microelectrode module which is used for injecting alternating current into the buffer solution by adopting a cross-shaped iridium-iridium oxide metal electrode with two pairs of electrode arms. According to the invention, the spatial resolution of the existing magnetic resonance electrical impedance imaging is expanded, and the spatial resolution of the electrical impedance imaging is improved to a micron scale to a submicron scale, so an electrical impedance imaging method on a microcosmic scale is realized, and the method is suitable for conductivity imaging of a cell biological sample.
Owner:UNIV OF SCI & TECH OF CHINA
Circularly polarized microwave control system and method of diamond color center energy level
InactiveCN108844970ALow return lossImprove coupling efficiencyMaterial analysis using microwave meansDiamond colorGround state
The invention discloses a circularly polarized microwave control system and method of a diamond color center energy level. The system comprises a diamond sample, a microwave source system, a phase adjustment system, a microwave transmission system and a control system. The microwave source system can provide two paths of microwave signals, wherein when one path of signals pass through the phase adjustment system, the control system controls the phase change of this path of signals based on a program, and the microwave transmission system receives the two paths of signals. Due to the special shape and size design of a microstrip antenna resonance device, the generated broadband circularly polarized microwave magnetic field with low echo loss and uniformity in an area can be used for precisecontrol on the diamond color center energy level, and the process is an important basis for quantum precision measurement. The system has the advantages of simple experimental environment, small size, low energy consumption and good robustness, facilitates controlling the flip between electron spin ground state energy levels, and provides a support for the technologies of quantum computing, quantum sensing, quantum transmission and the like based on diamond color centers.
Owner:BEIHANG UNIV
High-pressure magnetic resonance detection device
InactiveCN109632861AAvoid pressure dropsIncrease pressureAnalysis using nuclear magnetic resonanceColour centreDiamond color
The invention discloses a high-pressure magnetic resonance detection device. The high-pressure magnetic resonance detection device uses a diamond color center structure to serve as a probe structure of a detection module, and the diamond color center is prepared on an anvil surface of the diamond structure of a high pressure device, so that there is no need to occupy the space of a sample cavity,the occurrence of a circumstance that the pressure intensity capable of being provided by the high-pressure magnetic resonance detection device is reduced due to the occupation of the sample cavity space by an induction coil or the diamond color center structure is avoided, and thus the pressure intensity capable of being provided by the high-pressure magnetic resonance detection device is improved to a certain extent.
Owner:UNIV OF SCI & TECH OF CHINA
Polarization system of diamond color center nucleuses
ActiveCN108415064AIncrease reaction rateReduce interactionParticle polarisation measurementDiamond colorData acquisition
The invention discloses the polarization system of diamond color center nucleuses. The system comprises an optical control system, a microwave control system, a magnetic field control system and a control and data acquisition system. The optical control system, the microwave control system and the magnetic field control system are independent and are connected through the control and data acquisition system and a correlation component so as to form a diamond color center nucleus polarization system. Through the method of using a laser, a microwave, a magnetic field and a radio-frequency multi-physics field to act on a diamond according to a design sequence, interaction between a diamond color center and surrounding nucleuses can be high-sensitively and rapidly reduced, the high polarization efficiency of the nucleuses can be realized, de-coherence time used for quantum measurement can be prolonged, and support is provided for the technologies of quantum calculating, quantum sensing, quantum transmission and the like based on the diamond color center.
Owner:BEIHANG UNIV
Ia type diamond color quick grading method based on spectrum
ActiveCN103090973BEasy to operateFast and Accurate TestingColor measuring devicesReflection spectroscopyDiamond color
Owner:BIAOQI ELECTRONICS TECH
Diamond color grading automatic measuring device
InactiveCN108896546AQuick measurementAccurate measurementInvestigating jewelsColor/spectral properties measurementsCamera lensDiamond color
Disclosed is a diamond color grading automatic measuring device. The device includes a microscopic micro-area positioning system and an automatic spectrum acquisition and calculation system. The microscopic micro-area positioning system includes a V-shaped sample trough and a whiteboard. A light source is arranged on one side of the whiteboard. A zoom lens is arranged directly above the whiteboard. Two semi-transparent and semi-reflective mirrors are respectively arranged directly above and on the side of the zoom lens. A CCD detector is arranged on the semi-transparent and semi-reflective mirror directly above the zoom lens. Light reflected by the other semi-transparent and semi-reflective mirror is transmitted to a spectrometer through a signal receiver and a signal line. The output endof the spectrometer is connected to a signal processing computer. The device of the invention adopts microscopic micro-area positioning measurement and selects a measurement area of common characteristics of a to-be-measured diamond so as to eliminate color differences of the diamond of the same color grade caused by the size. The device can rapidly and accurately measure color coordinates of thediamond, and can automatically convert the color coordinates to color grading levels corresponding to a diamond grading system.
Owner:SHANDONG MEASUREMENT SCI RES INST
Crystal planting doping preparation method of nano-diamond transition metal color center
ActiveCN111705305ASolve the problem that cannot be brought in by gasFlexible and efficient introductionChemical vapor deposition coatingDiamond colorPhysical chemistry
The invention relates to the field of nano-diamond color centers, in particular to a crystal planting doping preparation method of a nano-diamond transition metal color center. The method comprises the following steps that a nano-diamond film is grown on the surface of a quartz substrate to form a diamond substrate, and ultrasonic cleaning is carried out after the surface of the diamond substrateis subjected to surface graphite removing treatment; a nano-diamond colloidal solution and transition metal powder are uniformly mixed to prepare a mixed crystal planting solution; the diamond substrate is placed in the prepared mixed crystal planting solution to carry out ultrasonic crystal planting so as to obtain the diamond substrate with uniformly-distributed mixed seed crystals; the nano-diamond film is regrown on the surface of the diamond substrate after crystal planting is completed; and then high-temperature annealing and surface graphite removing treatment are carried out to obtainpure diamond with the transition metal color center. According to the method, the uniformly-distributed mixed seed crystals are planted into the surface of the diamond substrate in an ultrasonic crystal planting manner, and transition metal elements are introduced into a diamond growth environment, so that the preparation of the nano-diamond transition metal color center is conveniently and efficiently realized.
Owner:INNER MONGOLIA UNIV OF SCI & TECH
NV (Nitrogen-Vacancy) color center automatic phase control circular polarization microwave control system and method
InactiveCN109459449ALow return lossWith wide bandwidthMaterial analysis using microwave meansDiamond colorGround state
The invention discloses an NV (Nitrogen-Vacancy) color center automatic phase control circular polarization microwave control system and method. The system comprises a diamond sample, a signal sourcesystem, a signal processing system, a microwave radiation system, a control system and the like, wherein the signal source system can provide a microwave signal; after the signal is amplified and passthrough a circular polarization microstrip antenna in the microwave radiation system, since the coaxial feed of the antenna causes a situation that the microwave radiation system can radiate microwaves to the diamond sample, the special shape and size design of the circular polarization microstrip antenna and the regulation of a feed point position can meet a circular polarization condition, andthe rotation direction of polarization is regulated. The system has the advantages of simple experiment environment, small size, small energy consumption and good robustness, is convenient in controlling the overturning among electron spin ground state energy levels, and provides support for diamond color center-based technologies including quantum calculation, quantum sensing, quantum transmission and the like.
Owner:BEIHANG UNIV
Improved princess-cut diamond processing method
InactiveCN107136674AIncrease valueAdd light refraction effectJewelleryIsoetes triquetraDiamond color
The invention discloses a processing method of an improved princess cut diamond, comprising the following steps: (1) cutting the tabletop, (2) grinding the square, (3) grinding the pavilion, (4) processing the face, adopting the method of the present invention The processing method, on the one hand, can process an ordinary round diamond of 70 points into a finished product of one carat diamond, and the value of the diamond can be correspondingly increased by 2000-6000 yuan; After the diamond-shaped kite surface spliced by equilateral triangles, the light refraction effect of the princess-cut diamond is improved, the brightness and fire of the diamond are improved, and the layering of the original princess-cut table is stronger. The brilliance can be increased by 10-15%, making the diamond shine brightly.
Owner:HUBEI EXIN DIAMOND TECH
A kind of crystal implantation doping preparation method of nano-diamond transition metal color center
ActiveCN111705305BSolve the problem that cannot be brought in by gasFlexible and efficient introductionChemical vapor deposition coatingDiamond colorGraphite
The invention relates to the field of nano-diamond color centers, in particular to a preparation method for implanting and doping nano-diamond transition metal color centers, comprising the following steps: growing a nano-diamond film on the surface of a quartz substrate to form a diamond substrate, and removing surface graphite from the diamond substrate Afterwards, ultrasonic cleaning is carried out; the nano-diamond colloid solution and transition metal powder are evenly mixed to prepare a mixed crystal planting liquid; the diamond substrate is placed in the prepared mixed crystal planting liquid, and ultrasonic crystal planting is performed to obtain a diamond substrate with uniform distribution of mixed crystal seeds Re-grow a nano-diamond film on the surface of the diamond substrate after the crystal planting is completed; then perform high-temperature annealing and remove the surface graphite treatment to obtain a relatively pure diamond with a transition metal color center. The invention implants evenly distributed mixed crystal seeds on the surface of the diamond substrate by means of ultrasonic crystal planting, introduces transition metal elements into the diamond growth environment, and conveniently and efficiently realizes the preparation of nano-diamond transition metal color centers.
Owner:INNER MONGOLIA UNIV OF SCI & TECH
Cast-in-place diamond color continuous blind sidewalk and manufacturing method thereof
ActiveCN110803898AHigh strengthSolve problems that cannot be constructedSidewalk pavingsRoads maintainenceBrickDiamond color
The invention discloses a cast-in-place diamond color continuous blind sidewalk which comprises a component A and a component B in a mass ratio of 1: (4-6), a manufacturing method of the cast-in-placediamond color continuous blind sidewalk comprises the following steps: S1, performing base layer treatment; s2, placing a blind sidewalk mold; s3, proportionally mixing the component A and the component B, drying the surface, putting into the blind sidewalk mold, and flattening; and S4, after drying in the step S3, coating the surface with a sealant. The blind sidewalk mold can be laid on a baselayer, then the blind sidewalk is formed, the problem that a position needs to be reserved for traditional blind sidewalk brick paving is thoroughly solved, and therefore the trouble that secondary paving is usually needed due to blocking of traditional blind sidewalk bricks in pavement construction is avoided, the pavement construction labor cost and material loss are greatly reduced, and the construction period is shortened. Meanwhile, the manufacturing method of the cast-in-place diamond color continuous blind sidewalk has the advantages of being short in construction time and curing time,good in abrasion resistance and anti-skid effect and high in antifouling capacity.
Owner:广东邦宁新材料科技有限公司
Method for predicting performance of nano diameter rare earth vacancy color center
The invention relates to a method for predicting performance of a nano diameter rare earth vacancy color center. The method comprises the following successive steps of constructing a model, performingtheoretical calculation, analyzing a result and obtaining a conclusion. The method for predicting the performance of the nano diameter rare earth vacancy color center realizes high calculation speedand high result accuracy. Not only can an experiment result be verified and analyzed, but also direct theoretical guidance can be supplied for laboratory preparation of the nano diameter rare earth vacancy color center. The method does not require a large number of experiment materials and instruments and has advantages of low cost, high efficiency and no pollution. The method saves manpower, material resource and financial resource. The method can facilitate researching of a single-photon source and lays a basis for researching in a quantum information field. The rare earth element has a unique light emitting advantage as an optical material. The method combines the application of the advantages in the nano diamond color center and predicts excellent property in the nano diamond color center.
Owner:INNER MONGOLIA UNIV OF SCI & TECH
In-vivo biological neural information detection method
ActiveCN114343572AImplement detectionHigh detection sensitivityDiagnostic recording/measuringSensorsDiamond colorChemistry
The invention relates to a biological neural information in-vivo detection technology, in particular to an in-vivo biological neural information detection method. The detection method comprises the following steps: placing a nano-diamond color center with terahertz electromagnetic field detection capability in organism nerves, irradiating by adopting laser in a visible light-near infrared light band, and polarizing / reading a spin state of the diamond color center, so as to realize detection of terahertz signals in the organism nerves. The nano-diamond color center is doped with heavy ion elements; and the ground state energy level of the heavy ion element color center is split in a terahertz frequency band. The nano-diamond color center provided by the invention can be used as an atomic weight level sensor, has extremely high spatial resolution, also has relatively long coherence time at room temperature, and can realize in-situ and high-sensitivity biological nerve terahertz electromagnetic signal measurement.
Owner:NAT INNOVATION INST OF DEFENSE TECH PLA ACAD OF MILITARY SCI
An automatic measurement method for diamond color grading
InactiveCN106840404BMeet the vertical viewing conditionsEasy to rotate the measuredColor measuring using electric radiation detectorsTest sampleDiamond color
The invention relates to a measuring technique for gemstone colors, particularly discloses an automatic measuring method for color grading of diamonds. The method is characterized in that a pavilion area of an under-tested diamond sample is perpendicular to an microscope zoom lens, a light is diffused and enters the under-tested diamond sample; after an amplified signal is amplified by the zoom lens, a beam of light enters an image CCD to form an imaging and displayed in the positioning display. Another beam of light into a spectrometer, an optical signal spectral acquisition is collected and a color coordinates x, y of the under-tested sample is measured. A system program converts the x, y values of the color coordinates into color gradation values which conform to the human eye's grading system automatically. An essential difference between the method of present invention and a currently used color measuring system are as follow: the automatic measuring method for color grading of diamonds can realize the automatic grading of diamonds according to the human eye observation condition and solve problems about a measuring discrepancy and a color grading error which cannot be solved by the conventional diamond color measuring system.
Owner:SHANDONG MEASUREMENT SCI RES INST
A cast-in-place color continuous blind road and its manufacturing method
ActiveCN110803898BShort construction timeShort curing timeSidewalk pavingsRoads maintainenceBrickDiamond color
The invention discloses a cast-in-place King Kong colored continuous blind road, which comprises components A and B, and the mass ratio of the A and B components is 1:4 to 6; the manufacturing method of the cast-in-place King Kong colored continuous blind road comprises the following Steps: S1, grass-roots treatment; S2, placing the tactile path mold; S3, mixing component A and component B according to the proportion, drying the surface, putting it into the above-mentioned tactile path mold, and pressing it flat; S4, after drying with step S3, Apply sealant to the surface. The tactile pavement mold can be laid on the base layer, and then the tactile pavement can be formed, which completely solves the need to reserve a place for the paving of traditional tactile paving bricks, thereby avoiding the trouble of secondary paving in pavement construction usually due to the barrier of traditional tactile paving bricks, and greatly reducing road construction. Labor costs and material loss, and shorten the construction period. Simultaneously, the manufacturing method of the cast-in-place diamond colored continuous blind walkway has the characteristics of short construction time, short curing time, good wear resistance and anti-slip effects, and strong antifouling ability.
Owner:广东邦宁新材料科技有限公司
Diamond color demonstration instrument
ActiveCN106228878AFlexible and adequate adjustment functionGood practical valueInvestigating jewelsEducational modelsDiamond colorEngineering
The invention discloses a diamond color demonstration instrument which comprises an upper turntable, a lower turntable and a shell, wherein the lower turntable is arranged on the central position of the lower part of the shell; an adjustable motor is used for driving the upper turntable and the lower turntable to rotate singly or together; a diamond platform, a diamond box and a diamond are respectively arranged on the central position of the lower turntable; the upper turntable is arranged on the central position of the upper part of the shell; two sets of illuminating lamps are arranged on the slope plane of the upper turntable; four illuminating lamps in crossing at 45-degree interval are arranged on each circle of each illuminating lamp set; the directions of all the illuminating lamps can be respectively adjusted; under a static state, each main surface of the diamond can reflect two most beautiful colors and can completely focus and reflect from an observing hole phi 10; and under a dynamic state, all the diamond colors can be focused into the biggest and most beautiful color and reflected from the observing hole phi 10. The diamond color demonstration instrument can supply the optimal effect for detection and viewing of the diamond color.
Owner:贺仟泰
Measurement instrument for removing influence of size factor on color accuracy of diamond
InactiveCN102680103BAccurate color measurementResolving Color Measurement DiscrepanciesRadiation pyrometryColor measuring devicesSize factorDiamond color
The invention discloses a measurement instrument for removing influence of a size factor on color accuracy of a diamond. The measurement instrument comprises an integration ball with detecting equipment. A sample positioning device is mounted on an integration ball main body; and a sample positioning groove for bearing the diamond is arranged in the sample positioning device. According to the measurement instrument provided by the invention, the diamond color measurement is carried out by using an improved integration ball of an optical instrument, so that the problem of influencing the measurement accuracy by color difference, caused by different diamond sizes and different generated light ranges in the diamond color measurement, can be solved.
Owner:南京宝光检测技术有限公司
A preparation method of high-brightness silicon-vacancy color center in nano-diamond
ActiveCN111099586BEvenly dopedHigh concentration of silicon vacancy color centersFinal product manufactureDiamondDiamond colorFluorescence
The invention relates to the field of diamond color centers, in particular to a method for preparing high-brightness silicon-vacancy color centers in nano-diamonds. Based on the gas doping method, tetramethylsilane gas is introduced into the microwave plasma chemical vapor deposition equipment to grow silicon-doped nano-diamond film on the substrate. The diamond grain size is less than 100nm, and the substrate is deposited by mechanical stripping or wet etching. The bottom is removed to obtain a self-supporting film and ground to obtain nano-diamond powder. The nano-diamond powder is annealed in an air atmosphere at 550-650 ° C for 5-10 minutes to obtain a silicon vacancy color center whose 738nm fluorescence peak is similar to that of diamond under room temperature excitation conditions. Raman peak intensity ratio is greater than 10. Thus, controllable doping of silicon atoms in nano-diamonds can obtain silicon vacancy color centers, and realize the preparation of silicon vacancy color centers that emit light with high brightness at room temperature. The nano-diamond prepared by the invention has very strong SiV luminescence performance, and can be used in the fields of bioluminescence labeling, high-precision temperature magnetic measurement and the like.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI
A diamond base device and its realization method
The invention discloses a diamond base support device and a realizing method thereof. The diamond base support device is used for assembling diamonds; the outside wall of the body of the diamond base support device is tapered, and triangular edge planes which are used for reflecting the diamond colors are distributed on the top surface of the body; an inner tapered wall which is used for accommodating the diamond is arranged in the body; a reflection groove surface which is distributed in the manner of radiating to the center is arranged on the inner tapered wall, the circular lower edge of the reflection groove surface is arranged to be attached to the position of the diamond waist part, and the upper edge of the reflection groove surface is arranged to be intersected with the top surface of the body and separated from the diamond. According to the diamond base support device and the realizing method thereof, the reflection groove surface is arranged on the base support and can reflect the refection light from the diamond waist to the inside of the diamond, so that the fire color effect of the supported diamond is enhanced. The realizing structure and the realizing method can be applied to mosaic products of other gems and jades.
Owner:SHENZHEN Y&M JEWELRY
A diamond color center gyroscope and angular velocity measurement method based on aharonov-anandan geometric phase
Owner:UNIV OF SCI & TECH OF CHINA
Diamond Color Center Spin Sensing Detection Method and System Based on Microwave Phase Modulation Spectroscopy Technology
ActiveCN107024495BRemove complexityReduce instabilityAnalysis using electron paramagnetic resonanaceDiamond colorData acquisition
The invention discloses a method for detecting diamond color center spin in a sensing way based on a microwave phase modulation spectroscopy technology. The method comprises the following steps: (1) symmetrically installing a microwave transmitting end (4) and a microwave receiving end (5) at the inner side of a diamagnetic circular ring (8), wherein the microwave transmitting end (4) is connected with a microwave source, and the microwave receiving end (5) is connected with a data acquisition port of a field programmable gate array (FPGA) or a signal input end of an oscilloscope card, or the microwave receiving end (5) is respectively connected with the signal input end of the oscilloscope card and the data acquisition port of the FPGA by a port divider. According to the method, resonance signals of diamond color center atoms are detected in combination of the microwave phase modulation spectroscopy technology, the electronic energy level is excited by using laser, an external magnetic field is scanned, and the change of microwave signals is detected by means of an absorptive action of a diamond color center ground state energy level for a microwave field, so that color center spin information is read. The detection method is simple and convenient and high in accuracy, eliminates the complexity and instability of a light path, and increases the signal-to-noise ratio of atomic magnetic resonance.
Owner:ZHONGBEI UNIV
Intelligent diamond color grading method
InactiveCN110751166AAvoid time costReduce economic costsCharacter and pattern recognitionNeural architecturesImaging processingAlgorithm
The invention discloses an intelligent diamond color grading method, and relates to the technical field of image processing. The method comprises the following steps: step S01, selecting an image preprocessing mode; s02, selecting an assembly; s03, designing an overall structure of the model; s04, selecting a training mode; step S05, carrying out model training; and step S06, carrying out new sample prediction. According to the method, a plurality of images of different angles of the diamond input by a user are preprocessed, a convolutional neural network and a regression device are used as components, a designed model overall structure is used for training a model in a training mode, and an end-to-end model is obtained. A user inputs a plurality of pictures of the diamond at different angles to the model, outputs predicted regression values, compares the regression values with a set threshold value to obtain the color level of the diamond, and replaces manual work to complete the grading task of the diamond color. The diamond color grading efficiency is high, the result is objective and stable, and the diamond color grade can be quickly and accurately given.
Owner:合肥黎曼信息科技有限公司
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