SmCrO3粉末的制备及光学特性研究
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北京市自然科学基金项目(No.4154071);北京市优秀人才培养资助青年骨干个人项目(No.201400002012G105)资助


Fabrication and optical property study of SmCrO3 powder
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    摘要:

    通过高温固相法制备了SmCrO3粉体材料,利用光谱漫反射率、色坐标、激光雷达截面比等参数对材料隐身效果进行评估。结果表明,在1400 ℃煅烧温度下,厚度为0.2 mm的材料样品在1.06 μm和1.55 μm均出现较强的吸收峰,吸收率分别为54%和53%;外表呈现浅绿色的样品色坐标变化范围很小(0.3588±0.0007,0.3792±0.0081);激光雷达截面比基本保持在1.8以上,并随着煅烧温度升高,该比值不断上升,表明对激光的吸收能力不断增强。因此,SmCrO3粉体是一种兼容可见迷彩和近红外激光的优良隐身材料。

    Abstract:

    The SmCrO3 powders were prepared by high temperature solid phase method,and its stealth effects are evaluated by some parameters,such as spectral reflectance,color coordinates and the ratio of laser cross section.The result shows that at 1400 ℃,the samples with a thickness of 0.2 mm show a strong absorption peak at 1.06 μm and 1.55 μm,and the absorption rates are 54% and 53% respectively.The light green samples have a small range of color coordinate(0.3588±0.0007,0.3792±0.0081).The ratio of laser cross section remains above 1.8,and with the increase of calcination temperature,the ratio increases constantly.That is to say,the ability of absorbing laser increases.Therefore,with the help of other pigments,SmCrO3 powder can be a good camouflage material for both visible and near infrared bands.

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李磊伟,吕勇,牛春晖. SmCrO3粉末的制备及光学特性研究[J].激光与红外,2018,48(1):83~87
LI Lei-wei, Lü Yong, NIU Chun-hui. Fabrication and optical property study of SmCrO3 powder[J]. LASER & INFRARED,2018,48(1):83~87

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  • 在线发布日期: 2018-01-15
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