激光诱导微纳米物质在1维载体上的输运  

Transport of micro-nano mass induced by laser on 1-D carriers

作　　者：刘玉丽 申健 孙燕明 李睿[4] LIU Yuli;SHEN Jian;SUN Yanming;LI Rui(Fundamental Education Department,Dalian Neusoft University of Information,Dalian 116023,China;Department of Criminal Technology,Liaoning Police College,Dalian 116036,China;College of Electronics and Information Engineering,Shenzhen University,Shenzhen 518060,China;School of Physics,Dalian University of Technology,Dalian 116024,China)

机构地区：[1]大连东软信息学院基础教学学院,大连116023 [2]辽宁警察学院刑事技术系,大连116036 [3]深圳大学电子与信息工程学院,深圳518060 [4]大连理工大学物理学院,大连116024

出　　处：《激光技术》2023年第1期140-146,共7页Laser Technology

基　　金：国家自然科学基金资助项目(51908366);广东省自然科学基金面上项目(2021A1515012069);辽宁省自然科学基金博士科研启动基金资助项目(20180540081)。

摘　　要：为了探索微纳米物质在1维载体上的可控输运问题,采用聚焦激光辐射输运载体获得温度梯度的方法,进行了微纳米石蜡球在单根碳纳米线圈上输运问题的实验研究和理论分析。结果表明,温度梯度可以驱动碳纳米线圈上的微纳米石蜡由高温区域向低温区域移动,即发生输运现象;调整激光的聚焦位置可以实现输运方向的可控,调节聚焦激光输出功率可以实现输运距离和输运质量的可控;激光电流为33.0 mA,36.0 mA,39.0 mA,42.0 mA时,微纳米石蜡球输运距离分别为0.69μm, 1.40μm, 2.00μm, 2.50μm。该研究为微纳米物质的可控输运提供了新方法,对进一步研究微纳米物质输运问题是有帮助的。In order to explore the controllable transport of micro-nano mass in 1-D materials, a method that generate thermal gradient on carbon nanocoil by focused laser rays was adopted. Micro-nano paraffin transport process along thermally-induced carbon nanocoil irradiated by focused laser rays was analyzed experimentally and theoretically. The results show that when the laser is focused on the carbon nanocoil, the micro-nano paraffin sphere can be moved from the high temperature region to the low temperature region. The paraffin transport process in a single direction or in both directions along the carbon nanocoil can be controlled by changing the position of laser radiation. The mass and distance transported along carbon nanocoil can be controlled by adjusting the laser power. When the laser current is respectively 33.0 mA, 36.0 mA, 39.0 mA, and 42.0 mA, the transport distance of the micro-nano paraffin is 0.69 μm, 1.40 μm, 2.00 μm and 2.50 μm, respectively. These results present a new method for micro-nano mass transporting controllably on 1-D materials.

关 键 词：激光技术 物质输运 激光诱导 温度梯度 碳纳米线圈 

分 类 号：TN249[电子电信—物理电子学]