Sub-diffraction limit spots in LiNbO_3 crystal ablated by femtosecond laser have been obtained.
通过扫描电镜和原子力显微镜观察了烧蚀点的形貌特征,首次发现利用单束飞秒激光脉冲对LiNbO3晶体烧蚀,可以得到超衍射极限的烧蚀点,当聚焦光斑直径约为2μm、能量为170nJ的单脉冲飞秒激光作用时,烧蚀点的直径约为400nm,100nJ,17个脉冲作用时烧蚀点的直径约为800nm。
The diffraction limit DL_(11M).
θ＿（⊥Ｍ）进行了系统的实验研究，并从理论上计算了本实验条件下的衍射极限ＤＬ＿（１１Ｍ）。
emitter-emitter coupled logic
射极-射极耦合逻辑
emitter base diode
发射极 基极二极管
emitter follower
射极跟随器;发射极输出放大器;发射极输出器
multi-emitter laser diode
多发射极激光二极管
collector-emitter current gain
集电极－发射极电流增益
collector to emitter conductance
集电极 发射极电导
emitter follower diode logic
射极输出器二极管逻辑
collector-emitter breakdown
集电极－发射极击穿
base emitter cut off current
基极-发射极截止电流
emitter-base diffusion
发射极－基极扩散法
emitter base diffusion transistor
发射极－基极扩散晶体管
transmission type secondary emitter
透射型二次电子发射极
emitter follower-emitter coupled logic
射极跟随器－射极耦合逻辑
emitter follow diode transistor logic
射极跟随二极管三极管逻辑
The base region is always very much narrower than the emitter or collector regions.
基极总是比发射极和集电极薄得多。
emitter-coupled-pair modulator
发射极耦合对调制器
emitter coupled flip-flop
发射极耦合触发电路
cathode-ray spectroradiometer
阴极射线光谱辐射计