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相关概念视频

Design Example: Underdamped Parallel RLC Circuit01:17

Design Example: Underdamped Parallel RLC Circuit

324
Consider designing an oscillator circuit, a crucial component in various electronic devices and systems. The objective is to create an oscillator circuit with specific characteristics: a damped natural frequency of 4 kHz and a damping factor of 4 radians per second. To accomplish this, a parallel RLC circuit is employed, known for its ability to sustain oscillations at a resonant frequency. In this case, the damping factor is pivotal in achieving the desired performance.
Starting with a fixed...
324

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在矿LED中使用连续波激光,配有集成的分布式反共振器.

Kaichuan Wen1, Yu Cao2,3, Lianghui Gu1

  • 1Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM) & School of Flexible Electronics (Future Technologies), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816, China.

Advanced materials (Deerfield Beach, Fla.)
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概括

研究人员使用集成共振器的高效矿发光二极管 (LED) 实现了连续波激光. 这一突破推动了电气的矿激光二极管的发展,因为它证明载体注入超过了光学接值.

关键词:
连续波浪的连续波浪.发光二极管是一种发光二极管.金属化物洛夫斯基特 (Perovskites) 是一种金属化物.矿激光器使用的矿激光器

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科学领域:

  • 材料科学 材料科学 材料科学
  • 光电学是指光电子产品.
  • 半导体物理 半导体物理

背景情况:

  • 来自溶液加工半导体的电激光二极管仍然是一个重大挑战.
  • 金属化物矿为激光二极管应用提供了有前途的光电子特性.
  • 在电流发光器件中实现连续波 (CW) 激光对于电流注射激光二极管至关重要.

研究的目的:

  • 为了证明CW激光在一个高效的矿发光二极管 (LED) 中具有集成的分布式反共振器.
  • 研究使用矿材料实现电流注射激光二极管的可行性.
  • 为了克服将共振腔整合到高效的LED中所面临的挑战,这些LED能够维持密集的载体注入.

主要方法:

  • 制造一个高效的矿LED,配备一个集成的分布式反共振器.
  • 光学试验,以实现和描述连续波激光.
  • 在低温温度 (110K) 下测量激光值和设备性能.
  • 在高电流密度下对载体注入速率的评估.

主要成果:

  • 在带有集成分布式反共振器的矿LED中展示CW激光.
  • 在110 K时,达到220 W cm-2的低激光值.
  • 该LED在330 A cm-2的电流密度下有效运行,超过了光学接值.
  • 据证明,载体注射率超过了光激光的要求.

结论:

  • 连续波激光已经在一个高效的矿LED和集成的共振器中成功地证明了这一点.
  • 结果表明,电气的矿激光二极管是可以实现的.
  • 克服朱尔加热被确定为实现实用的电矿激光二极管的关键剩余挑战.