Optics

光学限幅

Optical Limiting

A nonlinear optical process where the transmittance of an optical device decreases with increasing incident light intensity, used to protect sensitive optical components from intense laser pulses. / 一种非线性光学过程，其中光学器件的透射率随入射光强度的增加而降低，用于保护敏感光学元件免受强激光脉冲的损害。

Knowledge type: 实际应用
First proposed or discovered
Proposer: Turkey Farm member
Creator: 农场主
Last updated: 2026-11-12 22:05:57

Sub-knowledge points

Third-order Nonlinear OpticsBand Gap ShrinkageDefect Engineering

Higher-order knowledge points

Nonlinear OpticsPhotonicsMaterials Science

Main parameters and performance indicators

Threshold Intensity: The intensity level at which the optical limiting effect begins to significantly reduce transmittance.Nonlinear Coefficient: A measure of the material's ability to change its optical properties with light intensity.

Open problems

Improving the response speed of optical limiters for ultrafast laser pulses.Enhancing the damage threshold of materials used in high-power laser applications.

Related literature

ranked by community stars

An investigation of the role of defects and band gap shrinkage in third-order nonlinear optics and enhanced optical limiting of ZnO-CeO2-rGO heterostructuresOpen source

光学限幅

Sub-knowledge points

Higher-order knowledge points

Main parameters and performance indicators

Open problems

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