相关实验视频

Updated: Jan 19, 2026

Nanomanipulation of Single RNA Molecules by Optical Tweezers

Nanomanipulation of Single RNA Molecules by Optical Tweezers

Published on: August 20, 2014

一个超冷分子的光学针阵列

Loïc Anderegg^1,2, Lawrence W Cheuk^3,2, Yicheng Bao^3,2

¹Department of Physics, Harvard University, Cambridge, MA 02138, USA. anderegg@g.harvard.edu.

Science (New York, N.Y.)

|September 14, 2019

概括

研究人员用激光冷却的单化物分子制造了光学针阵列. 这种平台可以研究超冷分子碰撞,推进量子模拟和精度测量.

科学领域:

量子科学与技术
分子物理
原子,分子和光学物理学

背景情况:

超冷分子对于量子模拟,计算和精确测量至关重要.
光学子阵列可以精确控制单个分子,从而实现先进的应用.

研究的目的:

用激光冷却的单化物 (CaF) 分子创建一个光学针阵列.
用这个平台观察超冷分子的地面碰撞.

主要方法:

单分子的激光冷却
一个光学笔阵列的构造和操作.
在子中的分子碰撞现场观测.

主要成果:

通过激光冷却的CaF分子成功创建了一个光学针阵列.
观察这些超冷分子之间的基态碰撞.
展示平台在不同环境 (有或没有光线) 中研究碰撞的能力.

结论:

开发的光学针阵列是超冷分子研究的有希望的平台.
这项工作开辟了利用分子探索量子现象和基本物理学的新途径.
对于量子信息和精确传感的应用来说, 研究碰撞的能力至关重要.

更多相关视频

Use of Dual Optical Tweezers and Microfluidics for Single-Molecule Studies

Use of Dual Optical Tweezers and Microfluidics for Single-Molecule Studies

Published on: November 18, 2022

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

相关概念视频

Nanomanipulation of Single RNA Molecules by Optical Tweezers

Nanomanipulation of Single RNA Molecules by Optical Tweezers

Optical tweezers have been used to study RNA folding by stretching individual molecules from their 5’ and 3’ ends. Here common procedures are described to synthesize RNA molecules for tweezing, calibration of the instrument, and methods to manipulate single molecules.

Use of Dual Optical Tweezers and Microfluidics for Single-Molecule Studies

Use of Dual Optical Tweezers and Microfluidics for Single-Molecule Studies

Visual, single-molecule biochemistry studied through microfluidic chambers is greatly facilitated using glass barrel, gas-tight syringes, stable connections of tubing to flow cells, and elimination of bubbles by placing switching valves between the syringes and tubing. The protocol describes dual optical traps that enable visualization of DNA transactions and intermolecular...

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

We present a parametric driving method to cool an ultracold Fermi gas in a crossed-beam optical dipole trap. This method selectively removes high-energy atoms from the trap by periodically modulating the trap depth with frequencies that are resonant with the anharmonic components of the trapping potential.

Using Optical Tweezers for the Generation of Hybrid Spheroids

Using Optical Tweezers for the Generation of Hybrid Spheroids

In this paper, we propose a protocol for hybrid spheroid manufacturing using optical tweezers. This method allows precise control of the early stages of the spheroid formation process, which is unattainable by other methods.

Single-molecule Manipulation of G-quadruplexes by Magnetic Tweezers

Single-molecule Manipulation of G-quadruplexes by Magnetic Tweezers

A single-molecule magnetic tweezers platform to manipulate G-quadruplexes is reported, which allows for the study of G4 stability and regulation by various...

Optical Tweezers to Study RNA-Protein Interactions in Translation Regulation

Optical Tweezers to Study RNA-Protein Interactions in Translation Regulation

This protocol presents a complete experimental workflow for studying RNA-protein interactions using optical tweezers. Several possible experimental setups are outlined including the combination of optical tweezers with confocal...