Patents Assigned to Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences
-
Patent number: 11938567Abstract: A laser fusion welding device includes a 1.9 ?m laser light source, a control unit and a light spot adjusting device. The control unit is configured to control the laser light source and the light spot adjusting device to adjust a laser power density at an object to be subjected to fusion welding. The 1.9 ?m laser light source has output power of 100-500 W. The control unit includes a time control unit, a power control unit and a light spot control unit. The time control unit is configured to control a turn-on time of the laser light source. The power control unit is configured to control the output power of the laser light source. The light spot control unit is configured to control the light spot adjusting device to adjust a size of a light spot at the object to be subjected to fusion welding.Type: GrantFiled: July 11, 2023Date of Patent: March 26, 2024Assignee: XINJIANG TECHNICAL INSTITUTE OF PHYSICS AND CHEMISTRY, CHINESE ACADEMY OF SCIENCESInventors: Linjun Li, Shilie Pan, Xiaoming Duan, Yu Zhou, Yingjie Shen, Qianqian Hao, Yuqiang Yang, Xin He
-
Patent number: 11898268Abstract: A calcium metaborate birefringent crystal and a preparation method and use thereof, the crystal having a chemical formula of CaB2O4 and a molecular weight of 125.70, and belonging to the orthorhombic crystal system and space group Pbcn with unit-cell parameters a=11.60(4)?, b=4.28(8)?, c=6.21(6)?, and Z=4, wherein the calcium metaborate birefringent crystal is a negative biaxial crystal with a transmission range of 165-3400 nm and a birefringence between 0.09-0.36; the crystal is applicable to infrared-visible-ultraviolet-deep ultraviolet bands, and is grown by a melt method, a flux method, a Bridgman method or a heat exchange method; the crystal obtained by the method of the present invention is easy to grow and easy to process; and can be used for making polarizing beam-splitting prisms.Type: GrantFiled: April 23, 2018Date of Patent: February 13, 2024Assignee: XINJIANG TECHNICAL INSTITUTE OF PHYSICS & CHEMISTRY, CHINESE ACADEMY OF SCIENCESInventors: Shilie Pan, Xinglong Chen, Fangfang Zhang
-
Patent number: 11841320Abstract: A method for measuring concentrations of multiple gases by using an infrared band laser light includes: pumping Ho crystal by using a 1.9 ?m single thulium-doped solid-state laser to obtain a 2 ?m band near-infrared laser output; controlling a light-emitting angle of 2 ?m band laser light; allowing the 2 ?m laser light to enter a first measurement cell at a first emergent angle, and measuring a concentration of methane gas in the first measurement cell; generating and introducing the 3-5 ?m mid-infrared laser light into a second measurement cell to measure concentrations of ammonia gas and carbon monoxide in the second measurement cell; generating and introducing the 6-12 ?m far-infrared laser light into a third measurement cell to measure concentrations of carbon dioxide, acetylene, ethylene and ethane gas in the third measurement cell.Type: GrantFiled: July 12, 2023Date of Patent: December 12, 2023Assignee: XINJIANG TECHNICAL INSTITUTE OF PHYSICS AND CHEMISTRY, CHINESE ACADEMY OF SCIENCESInventors: Linjun Li, Shilie Pan, Xiaoming Duan, Yu Zhou, Qianqian Hao, Yingjie Shen, Yuqiang Yang, Fangfang Zhang, Xin He
-
Publication number: 20230383439Abstract: A nonlinear optical crystal of guanidinium tetrafluoroborate has a chemical formula of [C(NH2)3]BF4 and a molecular weight of 146.89, belongs to the trigonal crystal system, has a space group of R3m; has lattice parameters of a=7.4634(10)?, b=7.4634(10)?, c=9.1216(19) (6)?, and Z=3; has an ultraviolet cutoff edge of 200 nm; and has a frequency-multiplication response that is 4-5 times that of the commercialized nonlinear optical crystal KDP. A hydrothermal method, a room-temperature solution method, an evaporation method or a solvothermal method is used to grow the crystal in a centimeter-scaled size. The crystal can produce frequency-doubling, frequency-tripling, frequency-quadrupling, frequency-quintupling or frequency-sextupling harmonic light output from the fundamental frequency light of 1064 nm generated by a Nd:YAG laser, and/or can produce ultraviolet and deep-ultraviolet frequency-multiplication light output below 200 nm.Type: ApplicationFiled: December 22, 2021Publication date: November 30, 2023Applicant: XINJIANG TECHNICAL INSTITUTE OF PHYSICS & CHEMISTRY, CHINESE ACADEMY OF SCIENCESInventors: Shilie PAN, Miriding MUTAILIPU, Ming XIA
-
Publication number: 20230340004Abstract: A method for preparing high-purity granatin A: by means of a combination of low-temperature liquid phase chromatography and an isomerization conversion purification method, using pomegranate peel extract as a source material, granatin A of over 98% purity can be acquired, and can be used as a standard product for quality control of pomegranate peel, pomegranate flower, or other medicinal material with granatin A as the active ingredient.Type: ApplicationFiled: March 24, 2021Publication date: October 26, 2023Applicant: XINJIANG TECHNICAL INSTITUTE OF PHYSICS & CHEMISTRY, CHINESE ACADEMY OF SCIENCESInventors: Haji Akber AISA, Guangying SUN, Guliqire ADILI, Munire ABUDUAINI, Yongxin ZHAO
-
Publication number: 20230295000Abstract: A method for preparing perovskite nanopowder through a rheological phase reaction at low-temperature that can include: taking hydroxide and metallorganic compound as initial reactants; mixing and stirring the reaction raw materials to form a solid-liquid rheological phase mixture; and controlling the reaction temperature and period, under a low-temperature condition, to prepare perovskite nanopowder in nearly spherical shape and a size of 20-100 nm. This allows for advantages such as controllable product size, low cost, high yield per unit volume, environmental friendliness, high yield per unit volume, and high repeatability. The perovskite nanopowder obtained by this way is nearly spherical, are uniform in size distribution and have controllable granularity. This can be used as the ceramic substrate for electronic components such as high-end chip capacitors and PTC thermistors, etc., as well as the raw material for manufacturing ceramic 3D printing additives and electronic ceramic ink.Type: ApplicationFiled: March 10, 2023Publication date: September 21, 2023Applicant: XinJiang Technical Institute of Physics & Chemistry, Chinese Academy of SciencesInventors: Pengjun ZHAO, Lin LIU, Yueqi ZHOU, Renhao ZHENG, Aimin CHANG, Huimin ZHANG, Yongxin XIE
-
Patent number: 11591228Abstract: A compound strontium fluoroborate, nonlinear optical crystal of strontium fluoroborate, preparation method thereof; the chemical formula of the compound is SrB5O7F3, its molecular weight is 310.67, and it is prepared by solid-state reaction; the chemical formula of the crystal is SrB5O7F3, its molecular weight is 310.67, the crystal is of the orthorhombic series, the space group is Ccm21, and the crystal cell parameters are=10.016(6) ?, b=8.654(6)(4) ?, c=8.103(5) ?, Z=4, and V=702.4(8) ?3. A SrB5O7F3 nonlinear optical crystal has uses in the preparation of a harmonic light output when doubling, tripling, quadrupling, quintupling, or sextupling the frequency of a 1064-nm fundamental-frequency light outputted by a Nd:YAG laser, or the generation of a deep-ultraviolet frequency doubling light output lower than 200 nm, or in the preparation of a frequency multiplier, upper or lower frequency converter, or an optical parametric oscillator.Type: GrantFiled: February 11, 2018Date of Patent: February 28, 2023Assignee: XINJIANG TECHNICAL INSTITUTE OF PHYSICS & CHEMISTRY, CHINESE ACADEMY OF SCIENCESInventors: Shilie Pan, Miriding Mutailipu, Min Zhang
-
Publication number: 20220348603Abstract: An isomerization feature-based method for purifying and preparing punicalagin is provided, wherein pomegranate peel extract is used as a raw material. The isomerization feature-based method avoids impurities contained in the punicalagin based on structural characteristics, for example, the punicalagin in the pomegranate peel extract has two mutually convertible isomers. In the isomerization feature-based method, a pilot-scale preparative liquid chromatography is used to obtain a large amount of the punicalagin having a purity higher than 98% from a complex pomegranate peel extract. The isomerization feature-based method is simple, an obtained punicalagin has high purities and a preparation is in a massive scale. The isomerization feature-based has a strong reference value for purification and preparation of compounds with isomerization features.Type: ApplicationFiled: March 20, 2020Publication date: November 3, 2022Applicant: XINJIANG TECHNICAL INSTITUTE OF PHYSICS & CHEMISTRY, CHINESE ACADEMY OF SCIENCESInventors: Haji Akber AISA, Guangying SUN, Yongxin ZHAO, Munire ABUDUAINI, Guliqire ADILI
-
Publication number: 20220290326Abstract: A nonlinear optical crystal of barium cesium borate, a preparation method and use thereof are provided. The nonlinear optical crystal has a chemical formula of CsBa3B11O20 and a molecular weight of 983.84. The nonlinear optical crystal belongs to an orthorhombic crystal system; a space group of the nonlinear optical crystal is Cmc21; lattice parameters of the nonlinear optical crystal are a=19.011(7) ?, b=10.837(4) ?, c=8.578(3) ?, Z=4, V=1767.4(11) ?3; and a Mohs hardness of the nonlinear optical crystal is 4-5. The nonlinear optical crystal is grown by a flux method. The nonlinear optical crystal of the barium cesium borate obtained is used for a manufacture of non-linear optical devices. The nonlinear optical crystal has a large size of centimeter-scale at least and is prepared by fast, simple and low-cost operations. The nonlinear optical crystal prepared has a large size, a wide light transmission band and good mechanical properties.Type: ApplicationFiled: June 30, 2020Publication date: September 15, 2022Applicant: XINJIANG TECHNICAL INSTITUTE OF PHYSICS & CHEMISTRY, CHINESE ACADEMY OF SCIENCESInventors: Shilie PAN, Zhaohong MIAO, Yun YANG
-
Publication number: 20200283302Abstract: A compound strontium fluoroborate, nonlinear optical crystal of strontium fluoroborate, preparation method thereof; the chemical formula of the compound is SrB5O7F3, its molecular weight is 310.67, and it is prepared by solid-state reaction; the chemical formula of the crystal is SrB5O7F3, its molecular weight is 310.67, the crystal is of the orthorhombic series, the space group is Ccm21, and the crystal cell parameters are=10.016(6) ?, b=8.654(6)(4) ?, c=8.103(5) ?, Z=4, and V=702.4(8) ?3. A SrB5O7F3 nonlinear optical crystal has uses in the preparation of a harmonic light output when doubling, tripling, quadrupling, quintupling, or sextupling the frequency of a 1064-nm fundamental-frequency light outputted by a Nd:YAG laser, or the generation of a deep-ultraviolet frequency doubling light output lower than 200 nm, or in the preparation of a frequency multiplier, upper or lower frequency converter, or an optical parametric oscillator.Type: ApplicationFiled: February 11, 2018Publication date: September 10, 2020Applicant: XINJIANG TECHNICAL INSTITUTE OF PHYSICS & CHEMISTRY, CHINESE ACADEMY OF SCIENCESInventors: Shilie PAN, Miriding MUTAILIPU, Min ZHANG
-
Publication number: 20200216976Abstract: A calcium metaborate birefringent crystal and a preparation method and use thereof, the crystal having a chemical formula of CaB2O4 and a molecular weight of 125.70, and belonging to the orthorhombic crystal system and space group Pbcn with unit-cell parameters a=11.60(4)?, b=4.28(8)?, c=6.21(6)?, and Z=4, wherein the calcium metaborate birefringent crystal is a negative biaxial crystal with a transmission range of 165-3400 nm and a birefringence between 0.09-0.36; the crystal is applicable to infrared-visible-ultraviolet-deep ultraviolet bands, and is grown by a melt method, a flux method, a Bridgman method or a heat exchange method; the crystal obtained by the method of the present invention is easy to grow and easy to process; and can be used for making polarizing beam-splitting prisms.Type: ApplicationFiled: April 23, 2018Publication date: July 9, 2020Applicant: XinJiang Technical Institute of Physics & Chemistry, Chinese Academy of SciencesInventors: Shilie PAN, Xinglong CHEN, Fangfang ZHANG
-
Publication number: 20200165139Abstract: A compound ammonium fluoroborate, a nonlinear optical crystal of ammonium fluoroborate, and a preparation method and use thereof; the compound has the chemical formula of NH4B4O6F with a molecular weight of 176.28, and is prepared by a solid phase reaction process; the crystal has the chemical formula of NH4B4O6F with a molecular weight of 176.28, belongs to the orthorhombic system, and has a space group of Pna21 and the following unit cell parameters: a=7.615(3) ?, b=11.207(4) ?, c=6.604(3) ?, Z=4, V=563.6 ?3. The nonlinear optical crystal can be obtained by the method of the present invention. The present invention provides uses of the nonlinear optical crystal in producing harmonic light and a deep-ultraviolet frequency-multiplied light below 200 nm; and in making a frequency multiplication generator, a frequency up or down converter or an optical parametric oscillator.Type: ApplicationFiled: February 22, 2017Publication date: May 28, 2020Applicant: XINJIANG TECHNICAL INSTITUTE OF PHYSICS & CHEMISTRY, CHINESE ACADEMY OF SCIENCESInventors: Shilie PAN, Guoqiang SHI, Fangfang ZHANG, Xueling HOU
-
Patent number: 10662067Abstract: A compound ammonium fluoroborate, a nonlinear optical crystal of ammonium fluoroborate, and a preparation method and use thereof; the compound has the chemical formula of NH4B4O6F with a molecular weight of 176.28, and is prepared by a solid phase reaction process; the crystal has the chemical formula of NH4B4O6F with a molecular weight of 176.28, belongs to the orthorhombic system, and has a space group of Pna21 and the following unit cell parameters: a=7.615(3) ?, b=11.207(4) ?, c=6.604(3) ?, Z=4, V=563.6 ?3. The nonlinear optical crystal can be obtained by the method of the present invention. The present invention provides uses of the nonlinear optical crystal in producing harmonic light and a deep-ultraviolet frequency-multiplied light below 200 nm; and in making a frequency multiplication generator, a frequency up or down converter or an optical parametric oscillator.Type: GrantFiled: February 22, 2017Date of Patent: May 26, 2020Assignee: XINJIANG TECHNICAL INSTITUTE OF PHYSICS & CHEMISTRY, CHINESE ACADEMY OF SCIENCESInventors: Shilie Pan, Guoqiang Shi, Fangfang Zhang, Xueling Hou
-
Patent number: 10626519Abstract: An oxychloride infrared nonlinear optical crystal and the preparation method and use thereof, the optical crystal has a general chemical formula of Pb2+xOCl2+2x, therein 0<x<0.139 or 0.141<x<0.159 or 0.161<x?0.6. The crystal is non-centrosymmetric, belongs to orthonormal system with space group of Fmm2, cell parameter is a=35.4963(14)±0.05 ?, b=5.8320(2)±0.05 ?, c=16.0912(6)±0.05 ?. The crystal is prepared by high temperature melt method or flux method. The crystal has a strong second harmonic generation efficiency of 4 times that of KDP (KH2PO4) tested by Kurtz method, it is phase machable, transparent in the range of 0.34-7 ?m. The laser damage threshold is 10 times that of the current commercial infrared nonlinear optical crystal AgGaS2. No crystalline water exists in lead oxychloride, and it is stable in the air and has good thermal stability.Type: GrantFiled: December 30, 2015Date of Patent: April 21, 2020Assignee: XINJIANG TECHNICAL INSTITUTE OF PHYSICS & CHEMISTRY, CHINESE ACADEMY OF SCIENCESInventors: Shilie Pan, Hui Zhang, Min Zhang
-
Patent number: 10604863Abstract: The invention relates to a lithium metaborate crystal and a preparation method and use thereof. The crystal has a chemical formula of LiBO2, a molecular weight of 49.75, and is a member of the monoclinic crystal system. The crystal has a P21/c space group and lattice constants of a=5.85(8) ?, b=4.35(7) ?, c=6.46(6) ?, ?=115(5)°, and Z=4. The crystal can be applied in wavelengths of infrared-visible-deep ultraviolet, and is grown by utilizing a melt crystallization method or a flux method. The crystal obtained using the method described in the invention is easily grown and processed, and can be used in the manufacture of a polarizing beam splitting prism such as a Glan prism, a Wollaston prism, a Rochon prism or a beam-splitting polarizer, and other optical components, enabling crucial applications in the fields of optics and communication.Type: GrantFiled: September 29, 2016Date of Patent: March 31, 2020Assignee: XINJIANG TECHNICAL INSTITUTE OF PHYSICS & CHEMISTRY, CHINESE ACADEMY OF SCIENCESInventors: Shilie Pan, Xinglong Chen, Fangfang Zhang, Xueling Hou
-
Patent number: 10564514Abstract: A nonlinear optical crystal of cesium fluorooxoborate, and a method of preparation and use thereof. The crystal has a chemical formula of CsB4O6F and a molecular weight of 291.15. It belongs to an orthorhombic crystal system, with a space group of Pna21, crystal cell parameters of a=7.9241 ?, b=11.3996 ?, c=6.6638 ?, and ?=?=?=90°, and a unit cell volume of 601.95 ?3. A melt method, high temperature solution method, vacuum encapsulation method, hydrothermal method or room temperature solution method is used to grow the crystal of CsB4O6F.Type: GrantFiled: October 7, 2019Date of Patent: February 18, 2020Assignee: XINJIANG TECHNICAL INSTITUTE OF PHYSICS & CHEMISTRY, CHINESE ACADEMY OF SCIENCESInventors: Shilie Pan, Xuefei Wang, Fangfang Zhang, Ying Wang
-
Patent number: 10487419Abstract: A preparation method and application of a Na3Ba2(B3O6)2F birefringent crystal, the crystal having a chemical formula of Na3Ba2(B3O6)2F, and belonging to a hexagonal crystal system, the space group being P63/m, and the lattice parameters comprising a=7.3490(6) ?, c=12.6340(2) ?, V=590.93(12) ?3, Z=2; the crystal is used for an infrared/deep ultraviolet waveband, and is an uniaxial negative crystal, ne<no, the transmission range being 175-3,350 nm, the birefringence of 0.090 (3,350 nm)-0.240 (175 nm), and the crystal being grown by employing a melting method or a flux method; the crystal prepared via the method has a short growth cycle, high crystal quality and large crystal size, is easy to grow, cut, polish and store, is stable in the air, and difficult to deliquesce, and can be used for preparation of various polarization beam polarization beam splitter prism and infrared/deep ultraviolet waveband optical communication elements.Type: GrantFiled: May 28, 2014Date of Patent: November 26, 2019Assignee: XINJIANG TECHNICAL INSTITUTE OF PHYSICS AND CHEMISTRY, CHINESE ACADEMY OF SCIENCEInventors: Shilie Pan, Hui Zhang, Min Zhang
-
Publication number: 20190345633Abstract: The invention relates to a lithium metaborate crystal and a preparation method and use thereof. The crystal has a chemical formula of LiBO2, a molecular weight of 49.75, and is a member of the monoclinic crystal system. The crystal has a P21/c space group and lattice constants of a=5.85(8) ?, b=4.35(7) ?, c=6.46(6) ?, ?=115(5) I°, and Z=4. The crystal can be applied in wavelengths of infrared-visible-deep ultraviolet, and is grown by utilizing a melt crystallization method or a flux method. The crystal obtained using the method described in the invention is easily grown and processed, and can be used in the manufacture of a polarizing beam splitting prism such as a Glan prism, a Wollaston prism, a Rochon prism or a beam-splitting polarizer, and other optical components, enabling crucial applications in the fields of optics and communication.Type: ApplicationFiled: September 29, 2016Publication date: November 14, 2019Applicant: XINJIANG TECHNICAL INSTITUTE OF PHYSICS & CHEMISTRY, CHINESE ACADEMY OF SCIENCESInventors: Shilie PAN, Xinglong CHEN, Fangfang ZHANG, Xueling HOU
-
Publication number: 20190137843Abstract: A compound of cesium fluorooxoborate, a nonlinear optical crystal of cesium fluorooxoborate, and a method of preparation and use thereof. The compound has a chemical formula of CsB4O6F and a molecular weight of 291.15. It has a crystal structure, which is prepared by a solid-state synthesis method or a vacuum encapsulation method. The crystal has a chemical formula of CsB4O6F and a molecular weight of 291.15. It belongs to an orthorhombic crystal system, with a space group of Pna21, crystal cell parameters of a=7.9241 ?, b=11.3996 ?, c=6.6638 ?, and ?=?=?=90°, and a unit cell volume of 601.95 ?3. A melt method, high temperature solution method, vacuum encapsulation method, hydrothermal method or room temperature solution method is used to grow the crystal of CsB4O6F.Type: ApplicationFiled: July 10, 2017Publication date: May 9, 2019Applicant: XinJiang Technical Institute of Physics & Chemistry, Chinese Academy of SciencesInventors: Shilie PAN, Xuefei WANG, Fangfang ZHANG, Ying WANG
-
Publication number: 20180202069Abstract: An oxychloride infrared nonlinear optical crystal and the preparation method and use thereof, the optical crystal has a general chemical formula of Pb2+xOCl2+2x, therein 0<x<0.139 or 0.141<x<0.159 or 0.161<x?0.6. The crystal is non-centrosymmetric, belongs to orthonormal system with space group of Fmm2, cell parameter is a=35.4963(14)±0.05 ?, b=5.8320(2)±0.05 ?, c=16.0912(6)±0.05 ?. The crystal is prepared by high temperature melt method or flux method. The crystal has a strong second harmonic generation efficiency of 4 times that of KDP (KH2PO4) tested by Kurtz method, it is phase machable, transparent in the range of 0.34-7 ?m. The laser damage threshold is 10 times that of the current commercial infrared nonlinear optical crystal AgGaS2. No crystalline water exists in lead oxychloride, and it is stable in the air and has good thermal stability.Type: ApplicationFiled: December 30, 2015Publication date: July 19, 2018Applicant: Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of SciencesInventors: Shilie PAN, Hui ZHANG, Min ZHANG