| 1. | Frequency - conversion circuit
频率变换电路 |
| 2. | Quantum frequency conversion
量子频率变换 |
| 3. | Nonlinear - frequency - conversion is one of the best ways in widening wavelength of laser
拓宽激光输出波长范围，最常用、最有效的方法之一是利用非线性晶体的频率变换技术。 |
| 4. | In various high performance , wide dynamic range frequency convertings , phase noise is a main limiting factor
在各种高性能、宽动态范围的频率变换中,相位噪声是一个主要的限制因素。 |
| 5. | Another aspect of this paper is to expand the working band of hartmann - shack wavefront sensor through frequency transfer of nonlinear optics
另一方面，我们又对利用非线性光学频率变换方法拓宽探测器件的响应波段，做了探索性的工作。 |
| 6. | 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。 |
| 7. | 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。 |
| 8. | 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。 |
| 9. | 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。 |
