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Updated: Aug 6, 2026

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
11:21

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

femtosecond模式锁定激光器和直接光学频率合成的载体外相位控制

Jones1, Diddams, Ranka

  • 1JILA, University of Colorado and National Institute of Standards and Technology, Boulder, CO 80309-0440, USA. Bell Laboratories, Lucent Technologies, Murray Hill, NJ 07733, USA.

Science (New York, N.Y.)
|April 28, 2000
PubMed
概括

我们使用频域稳定稳定 femtosecond 激光脉冲的载体-信封阶段. 这允许精确的光学频率测量,参考微波钟.

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Generation and Coherent Control of Pulsed Quantum Frequency Combs06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

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Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy08:48

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

相关概念视频

Time and frequency -Domain Interpretation of Phase-lead Control01:24

Time and frequency -Domain Interpretation of Phase-lead Control

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...