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相关概念视频

Photoluminescence: Applications01:14

Photoluminescence: Applications

Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no current...

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相关实验视频

Updated: May 11, 2026

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
10:28

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

Published on: July 5, 2016

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集成的光子MEMS开关用于可见光.

Alperen Govdeli, Hong Chen, Saeed S Azadeh

    Optics express
    |January 29, 2025
    PubMed
    概括

    研究人员使用MEMS技术开发了一种低功耗可见光光学开关. 这一突破通过克服传统光子学的局限性,使量子计算和生物光子学的新应用成为可能.

    科学领域:

    • 综合光子学 综合光子学
    • 可见光装置的可见光装置.
    • 微电子机械系统 (MEMS) 是指微电子机械系统.

    背景情况:

    • 传统的光子学仅限于C和O频段,限制了量子实验和生物光子学等领域的应用.
    • 开发低功耗,集成可见光开关和相变器是先进光子系统面临的重大挑战.

    研究的目的:

    • 为了展示在可见光谱中运行的单体集成,静电MEMS驱动的马赫-泽恩德干扰仪光学开关.
    • 为满足对可见光集成光子学高效低功耗开关元件的需求.

    主要方法:

    • 使用MEMS技术进行静电执行的马赫-泽恩德干扰仪的制造.
    • 在波长为540nm的光学开关性能的表征,包括灭光率,光学损失和开关速度.

    主要成果:

    • 光学开关在540nm实现了7.2dB的灭比和2.5dB的光学损失.
    • 测量的10-90%的上升和下降时间分别为5微秒和28微秒.
    • 实现了非常低的静态功耗 (~0.5nW) 和动态功耗 (<70μW在30kHz).

    结论:

    • 展示的MEMS驱动的马赫-泽恩德干扰仪是低功耗,集成可见光光学开关的可行解决方案.

    更多相关视频

    High-Throughput Total Internal Reflection Fluorescence and Direct Stochastic Optical Reconstruction Microscopy Using a Photonic Chip
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    Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
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    Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms

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    相关实验视频

    Last Updated: May 11, 2026

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    High-Throughput Total Internal Reflection Fluorescence and Direct Stochastic Optical Reconstruction Microscopy Using a Photonic Chip
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  • 这项技术为量子技术,生物光子学和需要可见光集成光子学的显示器的先进应用提供了可能性.