江苏大学学报（自然科学版）2011，Vol.32Issue(6)：715-719,5.DOI:10.3969/j.issn.1671-7775.2011.06.019
发光光弹性涂层法荧光信号强度的提高
Enhancing signals in luminescent photoelastic coating method
摘要
Abstract
In order to solve the shortcoming of relatively low signal-to-noise ratio of coating configurations (dual-layer coating and single-layer coating) in luminescent photoelastic coating method for experimental strain analysis, a new luminescent photoelastic coating configuration was introduced. Two luminescent photoelastic coatings with different configurations were prepared with identical luminescent dyes of Rhodamine B, photoelastic materials of E-44 Epoxy resin, plasticizers of Dibutyl phthalate and curing agents of Diethylenetriamine. Fluorescence emission spectra of the two luminescent photoelastic coatings were measured by Cary-100 fluorescence spectrophotometer with excitation wavelength of 465 nm. The intensity of the new single-layer luminescent coating at emission wavelength of 600 nm is 3.7 times stronger than that of the original dual-layer luminescent photoelastic coatings. Theoretical analysis and experimental results show that the new luminescent photoelastic coating configuration can remarkably improve signal-tonoise ratio and increase fluorescence emission intensity.关键词
光弹性涂层/发光涂层/光弹性/信号强度/荧光染料Key words
photoelastic coating/luminescent coating/photoelasticity/signal intensity/luminescent dye分类
数理科学引用本文复制引用
花世群,骆英,陆道礼,吴长龙..发光光弹性涂层法荧光信号强度的提高[J].江苏大学学报（自然科学版）,2011,32(6):715-719,5.基金项目
国家自然科学基金资助项目(10972092) （10972092）
