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Parallel Resonance01:23

Parallel Resonance

The parallel RLC circuit is an arrangement where the resistor (R), inductor (L), and capacitor (C) are all connected to the same nodes and, as a result, share the same voltage across them. The parallel RLC circuit is analyzed in terms of admittance (Y), which reflects the ease with which current can flow. The admittance is given by:
Double Resonance Techniques: Overview01:12

Double Resonance Techniques: Overview

Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...

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Updated: Jun 2, 2026

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
07:42

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Published on: December 15, 2021

基于微共振器的光学频率.

T J Kippenberg1, R Holzwarth, S A Diddams

  • 1Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, CH-1015, Switzerland. tobias.kippenberg@epfl.ch

Science (New York, N.Y.)
|April 30, 2011
PubMed
概括
此摘要是机器生成的。

一种新方法使用微振器生成光学频率,使高级应用程序的重复率高. 这种芯片规模的技术提高了精密光谱学,原子钟和电信.

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Last Updated: Jun 2, 2026

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
07:42

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Published on: December 15, 2021

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科学领域:

  • 光学和光子学 在光学和光子学.
  • 量子科学 是一个量子科学.

背景情况:

  • 光频 (OFC) 具有精确间隔的光谱线,推动了精确测量的进步.
  • 现有的OFC应用包括光谱学,原子钟,超冷气体和分子指纹.

研究的目的:

  • 通过微复原器中的参数频率转换来审查OFC生成的新兴原则.
  • 讨论这项技术为新型应用和基础科学所提供的机会.

主要方法:

  • 在高共振质量因子 (Q) 微共振器内进行参数频率转换,用于OFC生成.
  • 这种方法可以实现紧的芯片规模集成.

主要成果:

  • 微共振器方法使OFC的重复率高,范围从10到1000千兆赫.
  • 这有助于提高OFC技术的可访问性和更广泛的应用.

结论:

  • 基于微共振器的OFC生成代表了光学频率技术的重大进步.
  • 这项技术为天文学,微波光子学,电信和基础科学研究的应用开辟了新的途径.