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相关概念视频

Cascaded Op Amps01:16

Cascaded Op Amps

586
Operational amplifiers (op-amps) are versatile electronic components that can be interconnected in a cascade - one after another in a linear sequence. This cascading is possible due to their infinite input resistance and zero output resistance, allowing them to maintain their input-output relationships even when connected in series.
In a cascaded system, each op-amp is referred to as a stage. The output of one stage drives the input of the subsequent stage. As the input signal passes through...
586
Time and frequency -Domain Interpretation of Phase-lead Control01:24

Time and frequency -Domain Interpretation of Phase-lead Control

76
Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
76

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Tunable skyrmion bag textures in surface phonon polariton lattices.

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相关实验视频

Updated: Jun 5, 2025

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
05:57

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

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级联域工程光学相位阵列用于2D光束方向.

Jingwei Li1, Huaibin Zheng1, Yuchen He1

  • 1Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education and International Center for Dielectric Research, School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi, China.

Nanophotonics (Berlin, Germany)
|December 5, 2024
PubMed
概括
此摘要是机器生成的。

我们开发了一种新的2D光学相位阵列 (OPA),使用工程酸晶体. 这种设计简化了控制电子,并为先进的光电子应用实现了高效的2D光束方向.

关键词:
灯束方向性 灯束方向性领域工程 领域工程 领域工程光学相位阵列是一种光学相位阵列.

更多相关视频

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Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

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相关实验视频

Last Updated: Jun 5, 2025

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
05:57

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

8.0K
A Protocol for Real-time 3D Single Particle Tracking
10:16

A Protocol for Real-time 3D Single Particle Tracking

Published on: January 3, 2018

14.8K
Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

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科学领域:

  • 光子学和光电学和光电子学.
  • 材料科学 材料科学 材料科学
  • 晶体学 晶体学是指结晶学.

背景情况:

  • 传统的二维光学相位阵列 (OPA) 面临的局限性包括复杂的控制,高功耗和需要可调节激光器.
  • 现有的OPA设计通常需要对众多阵列元件进行独立控制,从而导致复杂的布线和系统复杂性的增加.

研究的目的:

  • 提出和模拟一种新的OPA架构,克服当前二维光束方向技术的局限性.
  • 为简化OPA控制和提高性能引入一个域工程酸 (LiNbO3) 晶体结构.
  • 为了证明使用级联周期极点 LiNbO3 序列用于精确的 2D 束方向的可行性.

主要方法:

  • 使用级联周期极化LiNbO3序列创建一个多层,域工程电光晶体结构.
  • 实施一个简化的控制系统,只用两个电子元件来编程二维光束转向轨迹.
  • 进行模拟,以评估拟议的OPA架构的光束转向范围和性能.

主要成果:

  • 拟议的OPA架构基于域工程LiNbO3,可以实现2D光束转向,模拟的角度范围约为±20°和±16°.
  • 该设计促进了相邻阵列元素之间的相差分布均,优化了光学性能.
  • 与传统的OPA相比,仅使用两个控制电子显著降低了系统复杂性和功率要求.

结论:

  • 开发的域内工程LiNbO3 OPA为高性能,简化2D光束方向提供了一个有前途的解决方案.
  • 这种方法为在电光晶体中设计定制的相控装置铺平了道路.
  • 这项研究对下一代光电子产品有重大影响,包括光学互连和集成的LiDAR系统.