V2EX harmonic generation

Harmonic Generation

释义 Definition(中文)

谐波产生 / 谐波生成:在非线性系统(常见于非线性光学、电子电路、声学等)中,由于输入信号的非线性响应,产生频率为基频整数倍(2倍、3倍……)的新成分的现象。最常见的是二次谐波产生(Second-harmonic generation, SHG)。

发音 Pronunciation(IPA)

/hrmnk dnren/

例句 Examples

Harmonic generation can create new colors of light from a single laser.
谐波产生可以把单一激光“变出”新的光色(不同频率/波长的光)。

In nonlinear crystals, efficient harmonic generation depends on phase matching and the intensity of the pump beam.
在非线性晶体中,高效的谐波产生取决于相位匹配以及泵浦光束的强度。

词源 Etymology(中文)

harmonic 源自希腊语 harmonikos(与“和谐、和声”相关),在物理与音乐中都指与基频成整数倍关系的“谐波”成分;generation 来自拉丁语 generare(产生、生成)。合起来指“产生谐波”的过程或现象。该术语在20世纪非线性光学与频工程发展中使用更为普遍。

相关词 Related Words

文学与著作 Literary Works(出现示例)

  • Robert W. Boyd, Nonlinear Optics(《非线性光学》):系统讲解包括二次/三次谐波在内的多种谐波产生机制。
  • Govind P. Agrawal, Nonlinear Fiber Optics(《非线性光纤光学》):在光纤非线性效应章节中讨论与谐波产生相关的频率转换现象。
  • Orazio Svelto, Principles of Lasers(《激光原理》):在激光与非线性频率变换内容中涉及谐波产生的应用背景。
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