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Optical Technology, Semiconductor Materials, and Devices最新文献

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Research on a new Tm3+-doped NaCa3Bi(PO4)3F blue-emitting phosphor for w-LEDs w- led用新型掺杂Tm3+的NaCa3Bi(PO4)3F蓝光荧光粉的研究
Optical Technology, Semiconductor Materials, and Devices Pub Date : 2023-02-14 DOI: 10.1117/12.2669903
W. Li, Lingling Zheng, Bin Deng
{"title":"Research on a new Tm3+-doped NaCa3Bi(PO4)3F blue-emitting phosphor for w-LEDs","authors":"W. Li, Lingling Zheng, Bin Deng","doi":"10.1117/12.2669903","DOIUrl":"https://doi.org/10.1117/12.2669903","url":null,"abstract":"Tm3+ doped NaCa3Bi(PO4)3F blue-emitting phosphors have been synthesized following a conventional high-temperature solid-state reaction. Their phase purity, optical characteristics were systematically studied. The results show that the optimal doping concentration of Tm3+was 0.05. Electric multipole interaction was proposed as the mechanism for concentration quenching in NaCa3Bi(PO4)3F materials. Furthermore, the NaCa3Bi(PO4)3F:0.05Tm3+ fluoresces blue with color coordinates (0.1592, 0.0346). The results indicated that NaCa3Bi(PO4)3F:Tm3+ phosphors could participate in fabricating the w-LEDs as the blue component.","PeriodicalId":259102,"journal":{"name":"Optical Technology, Semiconductor Materials, and Devices","volume":"12589 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130963560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development and application of on-line calibration device for water injection flowmeter 注水流量计在线标定装置的研制与应用
Optical Technology, Semiconductor Materials, and Devices Pub Date : 2023-02-14 DOI: 10.1117/12.2668412
Shuanghu Qiang, Jingjing Zhang, Xu Zhang, Jiangfen Jia, Bohua Huang
{"title":"Development and application of on-line calibration device for water injection flowmeter","authors":"Shuanghu Qiang, Jingjing Zhang, Xu Zhang, Jiangfen Jia, Bohua Huang","doi":"10.1117/12.2668412","DOIUrl":"https://doi.org/10.1117/12.2668412","url":null,"abstract":"In the process of oilfield waterflood development, the rate of water injection is an important embodiment of water injection management level, which is an important parameter that not only reflects the formation capacity, but also reflects the production capacity of water injection equipment. Because of the influence of injection water quality, production environment, management level and other factors, the water injection flowmeter needs to be calibrated regularly to ensure the accuracy of measurement in the actual water injection process. In Huabei Oilfield, the flowmeters used in the production are removable for calibration, which has problems such as the difficulties when dismantling and mounting the flowmeters for calibration outside, easily being damaged in transit and low calibration efficiency. In order to solve above problems, a set of on-line calibration skid-mounted device for water injection flowmeter is developed, which realizes on-line calibration for water injection flowmeter and meets the actual demands of water injection flowmeter calibration in oil field.","PeriodicalId":259102,"journal":{"name":"Optical Technology, Semiconductor Materials, and Devices","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126817099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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