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1.319μm处45#钢反射率随温度变化的实验研究

Temperature dependence of reflectivity of 45# steel at the wavelength of 1.319μm

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摘要

使用积分球系统测量了1.319μm处45#钢反射率随温度的变化规律,通过对实验后钢片表面的能谱分析,揭示了反射率发生变化的原因。测量结果表明,钢片温度从常温升高至325℃时,表面反射率不会发生显著变化;在325℃到395℃之间,反射率从0.64降低到约0.15;在395℃与440℃之间,反射率不再发生明显变化;钢片降温过程中反射率不再发生明显变化,其值与最高温度处的数值基本相同。反射率的变化主要源于钢片表面发生的氧化反应,温度越高,氧化反应越剧烈,表面氧元素的含量就越高,反射率也就越低。

Abstract

Temperature dependence of reflectivity of 45# steel at the wavelength of 1.319μm was measured by using an integrating sphere system. The change of the reflectivity was explained by analyzing the surface energy spectrum of steel plates, which was heated. Reflectivity didn’t change remarkably in the range of room temperature to 325℃, and it decreased from 0.64 at 325℃ to 0.15 at 395℃. As the temperature kept on increasing, the reflectivity didn’t change obviously. In the cooling process, reflectivity held as a nearly constant value, which was the same as the value at the highest temperature. The change of reflectivity is mainly due to the oxidation of surface. As the temperature rises, oxidation reaction becomes severe and the atom percentage of oxygen in the surface increases, so the reflectivity decreases.

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中图分类号:TN249

收稿日期:2009-06-01

修改稿日期:2009-09-18

网络出版日期:0001-01-01

作者单位    点击查看

焦路光:国防科学技术大学光电科学与工程学院,湖南长沙410073
赵国民:国防科学技术大学光电科学与工程学院,湖南长沙410073

联系人作者:焦路光(lgjiao@gmail.com)

备注:焦路光(1984-),男,山西晋城人,硕士研究生,专业方向为激光与物质相互作用

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引用该论文

JIAO Lu-guang,ZHAO Guo-min. Temperature dependence of reflectivity of 45# steel at the wavelength of 1.319μm[J]. Journal of Applied Optics, 2009, 30(6): 983-987

焦路光,赵国民. 1.319μm处45#钢反射率随温度变化的实验研究[J]. 应用光学, 2009, 30(6): 983-987

被引情况

【1】吴丽雄,叶锡生,王立君,吴耀军,刘卫平,刘泽金. 激光作用下环氧/硅树脂复合涂层的1.3 μm反射特性研究. 光学学报, 2011, 31(8): 814002--1

【2】杨林华,许杰,蒋山平. 真空低温环境反射镜光谱反射率原位测量技术. 应用光学, 2015, 36(4): 559-565

【3】李新梦,江厚满,张天宇. 915 nm激光辐照下45#钢在3.8 μm处反射率变化. 激光与光电子学进展, 2017, 54(7): 71401--1

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