Optics
非线性自聚焦
Nonlinear Self-FocusingA nonlinear optical phenomenon where a high-intensity laser beam induces a refractive index gradient in a medium, causing the beam to focus itself rather than diffract. / 非线性光学现象，高强度激光束在介质中产生折射率梯度，导致光束自聚焦而非衍射。
- Knowledge type
- 自然理论
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-10-08 08:05:57
Sub-knowledge points
Cosh–Gaussian (ChG) beam propagationRelativistic plasma interactionLinear absorption effects
Higher-order knowledge points
No connected node yet
Main parameters and performance indicators
laser intensity: Key laser-plasma quantity influencing the degree of self-focusingplasma density: Determines the medium's response to the laser fieldabsorption factor: Linear absorption coefficient representing energy dissipation effectsdecentered parameter: Parameter describing the beam profile asymmetryinitial beam radius: The starting width of the laser beam
Open problems
No unresolved problem recorded yet
Related literature
ranked by community starsNonlinear Self-Focusing of Cosh–Gaussian Laser Beam in Relativistic Plasma with Linear AbsorptionOpen source
Related products and links
No item recorded yet
Creation and modification trail
1 recordsRecord title: Nonlinear Self-Focusing.
Node update feedback
review required