Currently the transistors work on femto - liter ( 10 - 15 liter ) amounts of fluid or less , roughly one one - hundredth the volume of a red blood cell 目前这种晶体管可用在飞升( 10 - 15公升)以下的液体,体积大约是红血球的1 / 100 。
2.
Through the controls of geometric dimension of micro - nozzle and driving frequency to obtain the volume of droplets in the grade of pico to femto litre , which is applicable to make high density micro - array 通过微喷嘴几何尺寸控制和驱动频率控制获得从飞升到皮升级样点体积,可以用于制作高密度的微阵列。
3.
Optical waveguides and micro - mirrors were successfully induced inside fused silica glass and k9 glass , respectively , by focusing femto - second pulse laser . the change of refractive index was determined to be 0 . 001 to 0 . 008 in the fused silica glass and 0 . 006 in the k9 glass 用聚焦的飞秒激光成功地在石英玻璃中写入了条型光波导,并首次在k9玻璃中写入了微反射镜。
4.
We have firstly developed the all fiber femto - second laser , but its average output power is only tens of milliwatt . with the development of cladding pumped technology , it is the efficient way to amplifying the output power 在国内我们已经首先研制成功了全光纤飞秒激光器,但平均输出功率只有几十毫瓦,包层泵浦技术的成熟,无疑给其进一步放大功率提供了技术保障。
5.
This paper describes the mechanism and dynamical process of the ablation of metals by femto - second laser , reviews recent research development in the formation of the microstructure in metals by femto - second laser and discusses the possibility of femto - second laser for precise - micro processing 摘要要阐述了飞秒激光与金属相互作用的机理和动力学过程,介绍了飞秒激光特有的精密加工特性,归纳了飞秒激光诱导金属微结构的研究进展。
6.
Biology and chemislry etal ln thi s dissertation , the theory of femto - second pulse laser amplifier system using tifsapphire crystal was discussed systematically and many methods were brought fonvard to resoive the probably existed problems in each part of the system base d on the achieved results , experimentai works has further developed 本文系统给出了以钛宝石晶体做为增益介质和放大介质的飞秒激光脉冲放大系统理论,针对各部分可能出现的问题提出了相应的解决方法,并在此基础上开展了部分实验工作。