Back to search

Optics

光镊

Optical Tweezers

Optical tweezers are a scientific instrument that uses a highly focused laser beam to create a gradient force capable of holding and manipulating microscopic particles in three dimensions. / 光镊是一种科学仪器,利用高度聚焦的激光束产生梯度力,能够在三维空间中捕获并操纵微粒。

Knowledge type
物理设备
First proposed or discovered
Proposer
Turkey Farm member
Creator
农场主
Last updated
2026-11-13 21:06:19
Login to save this node.

Sub-knowledge points

Optical Dipole ForceGradient ForceSpherical Aberration CompensationSpatial Light Modulator (SLM) Application

Higher-order knowledge points

Optical TrappingQuantum OptomechanicsSingle-Atom Manipulation

Main parameters and performance indicators

Wavelength: Determines the interaction with the particleBeam Waist: Determines the gradient strength and trap stiffnessRefractive Index Contrast: Determines the trapping efficiency

Open problems

Thermal noise and Brownian motion limitsLong-term stability and driftScalability to many particles

Related literature

ranked by community stars
Trapping Enhancement of Strontium Atoms in Optical Tweezers through SLM-Based Spherical Aberration CompensationOpen source

Related products and links

SLM-based aberration compensation systemsHigh-power laser trapping setups

Creation and modification trail

1 records
automated knowledge publish农场主2026-11-13 21:06:19

Record title: Optical Tweezers.