频率变换 meaning in English
channel rotation
frequency change
frequency conversion
frequency tra lation
frequency transformation
frequency translation
frequency transposition
frogging
Examples
- Utilizing quasi - phasematched ( qpm ) technique to achieve a given useful laser frequency conversion is a practical and challenging topic
利用准相位匹配( qpm )技术在光学超晶格中实现特定的可实用化的激光频率变换，在目前是一个富有实际意义和挑战性的课题。 - Recently , with the development of good quality nonlinear frequency - conversion crystals and solid - state laser used as pump source , research activities in this area is heating up
近年来,随着高质量非线性频率变换晶体和固体激光器抽运源的快速发展,这一领域的研究异常活跃。 - We all know that the output of ultraviolet ( uv ) laser mostly depends on the conversion of nonlinear frequency , thus a new kind of excellent nonlinear optics ( nlo ) crystal is very important for the output of new wavelength
紫外波段激光的输出主要采用频率变换技术来实现，因此一种好的非线性光学晶体对于产生新的波长是非常重要的。 - In this thesis , the main contents are following : 1 . reviewing the theory of nonlinear frequency conversion . quasi - phase - matching is discused . presenting the method for configuring periodically poled as well as multiple period superlattice
阐述了非线性频率变换的原理，讨论了相位匹配和准相位匹配技术，着重说明了周期和准周期光学超晶格的工作原理。