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The de Broglie Wavelength02:32

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In the macroscopic world, objects that are large enough to be seen by the naked eye follow the rules of classical physics. A billiard ball moving on a table will behave like a particle; it will continue traveling in a straight line unless it collides with another ball, or it is acted on by some other force, such as friction. The ball has a well-defined position and velocity or well-defined momentum, p = mv, which is defined by mass m and velocity v at any given moment. This is the typical...
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相关实验视频

Updated: Jun 21, 2025

Trapping of Micro Particles in Nanoplasmonic Optical Lattice
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在微米大小的单个超粒子中随机激光.

Van Duong Ta, Toan Van Nguyen, Tung Anh Doan

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    概括
    此摘要是机器生成的。

    研究人员开发了一种快速的方法,为随机激光器创建光超粒子. 较大的超粒子 (超过80微米) 呈现激光,波长根据大小变化,为可调节的随机激光应用提供了潜力.

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    科学领域:

    • 材料科学 材料科学 材料科学
    • 光子学是指光子学的使用方法.
    • 纳米科学是一个纳米科学.

    背景情况:

    • 自组装的光粒子对随机激光器来说是有前途的.
    • 来自光粒子的微米大小的随机激光很难产生.
    • 超粒子为微米大小的随机激光提供了理论途径,但很少报道激光生成.

    研究的目的:

    • 开发一种快速有效的方法,从光粒子中产生超粒子.
    • 研究这些超粒子作为随机激光结构的潜力.
    • 分析激光发射特性和波长对超粒子大小的依赖.

    主要方法:

    • 从光环状体颗粒制造超粒子,使用一种新的方法.
    • 超粒子大小,形态和内部结构的表征.
    • 对超粒子进行光学刺激和光谱分析,以确定激光发射值和波长.

    主要成果:

    • 成功产生了直径为50至150微米的超粒子.
    • 来自大于80微米的超粒子的证明激光发射,值为~77μJ·mm−2.2.
    • 观察到激光波长的红移 (~7.5纳米移) 随着超粒子直径从80到150微米的增加.

    结论:

    • 开发的方法提供了一条有效的途径,以微米大小的光超粒子.
    • 超粒子是产生随机激光发射的可行结构.
    • 取决于大小的波长转移为调整随机激光输出提供了一条途径.