1) down-conversion
下转换
1.
The preparation and the up and down-conversion luminescence of Y_2O_2S∶Er,Yb nanocrystals
Y_2O_2S∶Er,Yb纳米晶的制备及其上转换和下转换发光
2.
For the reasons above, up-conversion and down-conversion materials are implemented in this study.
所以本文中考虑将上转换和下转换发光引入到太阳电池中,这样不仅消除了短波长紫外光和长波长红外光对太阳电池的负面影响,而且增加了太阳电池可利用的光的强度,从而可以提高太阳电池的性能。
2) downconversion
下转换
1.
Recently,we have found visible, white and dazzling strong radiation induced by lasers(5 kinds of LDs) from non\|hydrogenated amorphous carbon (a\|C) at room temperature in vacuum with upconversion and downconversion cascaded quantum process under the laser power density between 1 kW/cm2 and 1 MW/cm2.
最近,我们发现非氢化的无定形碳(a-C)在室温、真空并由5种LD激光诱导,当功率密度在1kW/cm2到1MW/cm2之间时,出现上转换连同下转换级联的量子过程,并呈现可见、刺眼的强白光辐射。
2.
An efficient downconversion, "quantum cutting", is introduced.
介绍了一种高效下转换效应———"量子切割"。
4) down-conversion
下转换，降频转换
5) parametric down conversion
参量下转换
1.
A pair of light quanta called signal and idler light quanta is produced through the nonlinear process of type Ⅰ spontaneous parametric down conversion with Ti∶sapphire femtosecond pulses.
利用钛宝石飞秒激光超短脉冲抽运BBO晶体 ,产生Ⅰ型自发光参量下转换的双光子对 ,在实验上得到双光子对的四阶干涉现象 ,证明了双光子纠缠态的关联特性。
6) parametric down-conversion (PDC)
参变下转换
1.
The degenerate parametric down-conversion (PDC) photons with wavelengths of 702 nm were produced and by tuning crystal angle,nondegenerate PDC photons with wavelengths of 633nm and 789nm were also produced.
介绍了一种新型的基于参变下转换效应的光辐射绝对定标方法,利用固体钛宝石激光器倍频后产生的351nm的激光光源抽运非线性BBO晶体,制备了一对简并的参变下转换光子对(波长为702nm),并利用晶体的角度调谐特性,制备了另一对非简并的参变下转换光子对(波长为633nm和789nm)。
补充资料：下转
【下转】
（术语）谓元初一念之无明，背真性而缘起生死也。即流转是。释摩诃衍论二曰：“诸染法有力，诸净法无力，背本下下转，名为下转门。诸净法有力，诸染法无力，向原上上转，名为上转门。”
（术语）谓元初一念之无明，背真性而缘起生死也。即流转是。释摩诃衍论二曰：“诸染法有力，诸净法无力，背本下下转，名为下转门。诸净法有力，诸染法无力，向原上上转，名为上转门。”
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条