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流光逸影
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【答案】应助回帖
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mcwl: 金币+5, ★★★★★最佳答案, 大婶就是速度! 2014-06-17 10:39:12
oven1986: 检索EPI+1, 感谢应助！ 2014-06-17 15:09:19
感谢参与，应助指数 +1
mcwl: 金币+5, ★★★★★最佳答案, 大婶就是速度! 2014-06-17 10:39:12
oven1986: 检索EPI+1, 感谢应助！ 2014-06-17 15:09:19
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Accession number: 20142017716520 Title: Highly sensitive optical thermometry based on the upconversion fluorescence from Yb3+/Er3+ codoped La2(WO 4)3:Yb3+,Er3+ phosphor Authors: Yang, Yan-Min1 ; Mi, Chao1 Author affiliation: 1 College of Physics Science and Technology, Hebei University, Baoding 071002, China Corresponding author: Yang, Y.-M. (mihuyym@163.com) Source title: Proceedings of SPIE - The International Society for Optical Engineering Abbreviated source title: Proc SPIE Int Soc Opt Eng Volume: 9044 Monograph title: 2013 International Conference on Optical Instruments and Technology: Optical Sensors and Applications Issue date: 2013 Publication year: 2013 Article number: 904408 Language: English ISSN: 0277786X E-ISSN: 1996756X CODEN: PSISDG ISBN-13: 9780819499622 Document type: Conference article (CA) Conference name: 2013 International Conference on Optical Instruments and Technology: Optical Sensors and Applications Conference date: November 17, 2013 - November 19, 2013 Conference location: Beijing, China Conference code: 104987 Sponsor: China Instrument and Control Society (CIS); The Society of Photo-Optical Instrumentation Engineers (SPIE) Publisher: SPIE Abstract: An optical temperature sensor based on Yb3+ and Er3+ codoped La2(WO4)3 phosphor for using in the high temperature region is discussed on the basis of fluorescence intensity ratio (FIR) method. The dependence of temperature on the upconversion green emission was intensive studied when the temperature increased from 300 K to 550 K under the excitation of 971 nm laser diode. The fluorescence intensity ratio of the two green emissions bands centered at 525 nm, 545 nm changed dramatically with the thermal treatment. By analyzing the experimental data according to the FIR method, the result on the thermometric property of La2(WO4)3:Yb 3+, Er3+ was obtained and it shows that the sensitivity of La2(WO4)3:Yb3+, Er3+ reached the maximal value of about 0.0097 K-1 at the temperature of 510 K, even when the temperature was as high as 900 K, the sensitivity could still exceed 0.007 K-1. Results indicate that La2(WO4) 3:Yb3+, Er3+ has higher sensitivity for thermometry in high temperature area. Owing to its good thermal stability, low synthesis cost and high sensitivity, La2(WO4)3: Yb3+, Er3+ phosphor has potential application in optical temperature sensing. © 2013 SPIE. Number of references: 24 Main heading: Erbium Controlled terms: Fluorescence - Light emission - Optical instruments - Optical sensors - Phosphors - Temperature sensors - Thermometers - Ytterbium Uncontrolled terms: Fluorescence intensity ratio - High sensitivity - High temperature - Optical temperature sensing - Optical temperature sensors - Optical thermometry - Up-conversion - Upconversion fluorescence Classification code: 547.2 Rare Earth Metals - 741.1 Light/Optics - 741.3 Optical Devices and Systems - 801 Chemistry - 944.5 Temperature Measuring Instruments DOI: 10.1117/12.2036247 Database: Compendex Compilation and indexing terms, © 2013 Elsevier Inc. |
2楼2014-06-17 10:37:47
流光逸影
荣誉版主 (知名作家)
believe in yourself
- LS-EPI: 36
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- 贵宾: 7.669
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- 管辖: 文献求助
3楼2014-06-17 10:38:01