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Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy  (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used.

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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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平行空间光子Ising机器使用空间复杂化加速组合优化.

Suguru Shimomura, Jun Tanida, Yusuke Ogura

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    此摘要是机器生成的。

    一种新的并行空间光子Ising机器 (pSPIM) 加快了解决复杂的优化问题的速度. 这种光学计算方法使用空间复杂化用于更快,更频繁的最佳解决方案在大规模的组合问题.

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    科学领域:

    • 物理 物理学 物理
    • 计算机科学 计算机科学
    • 光学工程是指光学工程.

    背景情况:

    • 空间光子Ising机器 (SPIM) 利用光学处理和空间并行性进行组合优化.
    • 在SPIM中代反限制了处理速度,尽管Ising哈密尔顿的光学计算.

    研究的目的:

    • 提出并演示一个平行空间光子Ising机器 (pSPIM) 以实现高效的组合优化.
    • 用光学计算提高解决大规模优化问题的速度和效率.

    主要方法:

    • 使用带有格子图案的空间复杂化来编码多个Ising旋转配置.
    • 通过相位分布同时计算多个Ising哈密尔顿数.
    • 展示pSPIM在100 Ising旋转的最大切割问题上.

    主要成果:

    • 通过增加处理单元,对最大切割问题的最佳解决方案更频繁地得到.
    • 与多组件模型相结合的并行处理有效地解决了等级大于一个的交互矩阵的问题.
    • 对于大规模的组合优化,pSPIM旋转更新策略被证明是有效的.

    结论:

    • 在解决大规模的组合优化问题方面,pSPIM提供了显著的进步.
    • 空间复杂化和并行处理是克服传统SPIM速度限制的关键.
    • pSPIM为复杂的优化任务提供了一种高效的光学计算方法.