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相关概念视频

Semiconductors01:22

Semiconductors

745
There is variation in the electrical conductivity of materials - metals, semiconductors, and insulators that are showcased with the help of the energy band diagrams.
Metals such as copper (Cu), zinc (Zn), or lead (Pb) have low resistivity and feature conduction bands that are either not fully occupied or overlap with the valence band, making a bandgap non-existent. This allows electrons in the highest energy levels of the valence band to easily transition to the conduction band upon gaining...
745
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

378
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...
378

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区域可定位的20 × 20 940nm VCSEL阵列,具有5位二进制数字模式.

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    此摘要是机器生成的。

    这项研究引入了一种新型的20x20垂直腔表面发射激光 (VCSEL) 阵列,具有用于增强传感应用的二进制图案设计. 区域可定位阵列有效地帮助模式匹配算法用于形状和深度的确定.

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    科学领域:

    • 光电学是指光电子产品.
    • 激光技术 激光技术 激光技术
    • 传感系统 传感系统

    背景情况:

    • 垂直腔表面发射激光器 (VCSEL) 在各种应用中至关重要.
    • 高效的模式识别对于先进的传感和成像至关重要.
    • 激光阵列的单体集成简化了系统设计.

    研究的目的:

    • 为了呈现一个单一的区域可定位的20x20 940nm VCSEL阵列.
    • 实现二进制数字模式设计,以提高传感能力.
    • 为了使有效的形状和深度信息推断使用模式匹配算法.

    主要方法:

    • 一个单一的20x20 VCSEL阵列的制造.
    • 发射器的设计,每个行都有一个独特的二进制模式 (5位模式).
    • 四个发光区的单独地址,每个区域约有50个发光器.

    主要成果:

    • 该VCSEL阵列具有一个区域可定位的单立体设计.
    • 每一行都包含一个5位二进制模式,以方便模式匹配算法.
    • 大约有200个VCSEL组织成四个个别地址区.
    • 每个区域都能达到高达7.2W的峰值输出功率.

    结论:

    • 开发的具有二进制图案设计的VCSEL阵列适用于传感应用.
    • 独特的发射器模式提高了形状和深度传感的效率.
    • 区域可定位的架构允许控制和强大的激光输出.