高次谐波产生(High Harmonic Generation) 宸咚咚 摘要： 高次谐波产生 是一种极端的非线性效应，强场激光聚焦到气体介质上的时候，会发生非线性效应，可以得到上百阶的高能谐波光子。

气体高次谐波产生（Atomic or gas HHG） 高次谐波，顾名思义就是整数倍于原来驱动频率的谐波。 高次谐波可以通过高功率Ti-sapphire(钛宝石)飞秒激光与物质相互作用来产生。

2020年9月14日 · High harmonic generation (HHG) is an extremely nonlinear effect generating coherent broadband radiation and pulse durations reaching attosecond timescales....

High-harmonic generation (HHG) is a non-linear process during which a target (gas, plasma, solid or liquid sample) is illuminated by an intense laser pulse. Under such conditions, the sample will emit the high order harmonics of the generation beam (above the fifth harmonic).

2018年11月19日 · When the strength of the laser field approaches the atomic bonding strength of a material, novel extremely nonlinear optical effects emerge. A canonical example is non-perturbative high-harmonic...

2024年11月5日 · High-harmonic generation (HHG) is a process in which a strong laser field converts light to higher frequencies, creating ultrashort and broadband radiation. This study explores the potential of HHG to produce nonclassical light states, which are crucial for advancements in quantum technology, addressing issues such as scalability and decoherence.

2024年12月12日 · 高次谐波（High Harmonics Generation, HHG）是指通过光与物质相互作用，将入射激光转换为数倍于激光频率的强相干辐射。 它也是产生阿秒激光脉冲的最常用方法之一。

基于超快强激光与物质相互作用的高次谐波产生(high-order harmonic generation, HHG)提供了非微扰区光与物质相互作用的研究平台, 同时也是台式化极紫外光源和阿秒脉冲的主要产生途径.

2023年7月15日 · 我将建立五种系统中高次谐波产生机制，分别是气体高次谐波(atomic/gas HHG)，固体高次谐波(solid-state HHG)，自由电子激光高次谐波(FEL-HHG, or HGHG)，超快电子显微镜高次谐波(PINEM HHG)，等离子体镜高次谐波(plasma mirror HHG)。

2023年8月3日 · High-harmonic generation (HHG) is an extreme nonlinear process in which intense pulses of light drive matter to emit high harmonics of the driving frequency,...