Optics
二次谐波产生
Second-harmonic generationA nonlinear optical process where two photons of the same frequency interact with a nonlinear material to generate a new photon with twice the energy (half the wavelength) of the original photons. / 一种非线性光学过程，两个相同频率的光子与非线性材料相互作用，产生一个新的光子，其能量是原始光子的两倍（波长减半）。
- Knowledge type
- 自然理论
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-11-02 18:05:31
Sub-knowledge points
Spontaneous parametric down-conversionOptical parametric oscillationFrequency doubling
Higher-order knowledge points
Nonlinear opticsQuantum opticsPhotonics
Main parameters and performance indicators
Fundamental wavelength: The wavelength of the input lightNonlinear coefficient: Material property determining efficiencyPhase matching: Condition for constructive interference
Open problems
Efficient phase matching in broadband applicationsMaterial stability under high-intensity laser pulses
Related literature
ranked by community starsCoordination chemistry of Sb(III)-based optical crystals: from lone-pair-induced distortion to birefringence and second-harmonic generationOpen source
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Creation and modification trail
1 recordsRecord title: Second-harmonic generation.
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