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関連する概念動画

Quantum Numbers02:43

Quantum Numbers

50.0K
It is said that the energy of an electron in an atom is quantized; that is, it can be equal only to certain specific values and can jump from one energy level to another but not transition smoothly or stay between these levels.
50.0K
The Quantum-Mechanical Model of an Atom02:45

The Quantum-Mechanical Model of an Atom

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Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing hydrogen spectra.
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Inertial Frames of Reference01:03

Inertial Frames of Reference

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Newton’s first law is usually considered to be a statement about reference frames. It provides a method for identifying a special type of reference frame: the inertial reference frame. In principle, we can make the net force on a body zero. If its velocity relative to a given frame is constant, then that frame is said to be inertial. So, by definition, an inertial reference frame is a reference frame where Newton's first law holds valid. Newton's first law applies to objects with...
8.8K
Non-inertial Frames of Reference01:27

Non-inertial Frames of Reference

7.2K
A reference frame accelerating or decelerating relative to an inertial frame is a non-inertial frame. To help understand this, consider what taking off in an airplane, turning a corner in a car, riding a merry-go-round, and the circular motion of a tropical cyclone all have in common. All these systems are accelerating, decelerating, or rotating relative to the Earth; hence, they all are non-inertial frames. All these systems exhibit inertial forces, which merely seem to arise from motion,...
7.2K
Chemical Shift: Internal References and Solvent Effects01:17

Chemical Shift: Internal References and Solvent Effects

1.4K
In an NMR sample, precise measurement of the absolute absorption frequencies of nuclei is difficult. A standard internal reference compound is added, and the frequency difference between the reference signal and sample signals is measured.
The internal reference compound generally used in NMR spectroscopy is tetramethylsilane (TMS). TMS is preferred because it is chemically inert, soluble in NMR solvents, and easily removable. Also, the highly shielded methyl protons in TMS yield an intense...
1.4K
Microbial Growth Media01:27

Microbial Growth Media

1.8K
Microbial growth media are essential tools in microbiology, providing the nutrients and conditions necessary to cultivate and study microorganisms. These media are categorized by their composition, consistency, and functional roles, enabling researchers to investigate microbial physiology, behavior, and interactions.Types and Consistencies of Growth MediaGrowth media can be solid, liquid, or semisolid. Solid media, often agar-based, allow visible colony growth for isolation and enumeration.
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Updated: Jan 30, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

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複合メディアにおける量子参照ビーコン誘導超解像度光学フォーカシング

Donggyu Kim1,2, Dirk R Englund2,3

  • 1Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA. donggyu@mit.edu.

Science (New York, N.Y.)
|February 2, 2019
PubMed
まとめ
この要約は機械生成です。

研究者は,超解像度光学フォーカスのための波紋形成をガイドするために,量子参照ビーコン (QRB) を開発しました. この技術は複雑な媒体の散乱を克服し,高度な顕微鏡と量子アプリケーションのために186nm未満の解像度を達成します.

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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Gradient Echo Quantum Memory in Warm Atomic Vapor
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Gradient Echo Quantum Memory in Warm Atomic Vapor

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関連する実験動画

Last Updated: Jan 30, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Generation and Coherent Control of Pulsed Quantum Frequency Combs

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Gradient Echo Quantum Memory in Warm Atomic Vapor
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科学分野:

  • 光学とフォトニクス
  • 量子技術
  • 材料科学

背景:

  • 顕微鏡での光学的分散は,画像の深さと解像度を制限します.
  • 波長線形は深度画像を良くしますが,分散媒体では超高解像度で苦労します.

研究 の 目的:

  • 複雑な分散媒体の内部で超高解像度光学フォーカスを達成するための方法を開発する.
  • 波長形成におけるフィードバックを強化するために量子現象を活用する.

主な方法:

  • 固体量子エミッター (ダイヤモンドナノ結晶の窒素空白センター) を使用した量子参照ビーコン (QRB) を実装した.
  • QRBのスピン依存型光は,波長下ガイドスターとして波長形成に使用される.
  • 精密な光学フォーカスをするために導かれた波紋形成を達成しました.

主要な成果:

  • 超高解像度光学フォーカスを186ナノメートル以下の解像度で実証した.
  • 複雑なメディアでの光学的な分散によって課される制限を克服しました.
  • QRBで導かれた波長形成により,サブ-diffraction-limitedフォーカシングが可能になりました.

結論:

  • QRBによる波長形成は,散乱環境で超解像度を達成するための実用的な技術です.
  • この方法は深層組織における 量子増強センシングの 潜在的応用があります
  • 量子情報処理の精密な光学刺激にも使えます