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相关概念视频

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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相关实验视频

Updated: Jul 19, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

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基于VCSEL的全光学可扩展和可编程的Ising炉,具有并行反.

Dewen Zhang, Zifeng Yuan, Thanh Xuan Hoang

    Optics express
    |June 14, 2025
    PubMed
    概括

    本研究介绍了一台使用VCSEL和SLM的全光学Ising机来解决复杂的优化问题. 模拟显示了解决16位MAXCUT问题的潜力,证明了朝着更快的计算迈出的关键一步.

    科学领域:

    • 光子学和光学计算技术
    • 计算科学 计算科学
    • 纳米技术纳米技术

    背景情况:

    • 定位机为组合优化提供了一种新的方法.
    • 现有的电气瓶限制了当前计算方法的可扩展性.
    • 全光计算有望显著提高速度和效率.

    研究的目的:

    • 提出并演示一个全光学并行反系统,用于一个Ising机器.
    • 用光子学来克服计算中的电气瓶.
    • 分析系统在解决组合优化问题的能力.

    主要方法:

    • 使用垂直腔表面发射激光器 (VCSEL) 的相互注射锁定.
    • 使用可编程空间光调制器 (SLM) 进行光学控制.
    • 模拟一个16位方格格子MAXCUT优化问题.
    • 在VCSEL中实验证明光学注射锁定和偏振切换.

    主要成果:

    • 使用拟议的光学Ising机器,成功模拟了一个16位MAXCUT问题.
    • 主和奴隶VCSEL之间的光学注射锁定的实验性概念验证.
    • 在最小的主VCSEL注入功率 (<1%) 实现偏振切换.

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    相关实验视频

    Last Updated: Jul 19, 2026

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    结论:

    • 拟议的全光学系统有效地解决了计算瓶.
    • 该技术证明了解决复杂的优化任务的可行性.
    • 未来与纳米光子设备的集成,如SLMs和VCSELs,将提高可扩展性和可编程性.