fhb meaning in Chinese
澄海
Examples
- In addition , the blue - detuned fhb can also be used cool and trap neutral atoms , even to study the adiabatic compression ( heating ) and expansion ( cooling ) of atoms in the fhb
此外，这一蓝失谐的聚焦中空光束还可以用于中性原子的激光冷却与囚禁，甚至用于研究冷原子在聚焦中空光束中的绝热压缩(加热)和绝热膨胀(冷却)过程。 - Our study shows that two models are in good agreement with the numerical results derived from the fresnel diffraction theory from - r0 to + r0 in the radial position . we discuss some potential applications of the blue - detuned fhb
从这两种拟合的效果来看，在径向位置- r _ 0到r _ 0的范围内，这两种光束模型与数值计算结果拟合的非常好。 - In the focal plane of z = 0 , the smaller the dss of the fhb , the higher the optical potential , and the greater the corresponding optimal detuning 8 , which are beneficial to atomic lens because it cannot only be profitable to obtain an atomic lens with a higher resolution , but also helpful to reduce the spontaneous emission and photon scattering effects of atoms in the fhb
在焦平面上，聚焦中空光束的dss越小，光学势越大，相应的最佳失谐量越大，这对原子透镜的性能越有利。因为这不仅容易得到高分辨率的原子透镜，而且还可以减少在聚焦中空光束中原子的自发辐射和光子散射效应。 - From the fresnel diffraction equation , we calculated the intensity distribution of the fhb in free space , and found that there is an interested propagation property of the fhb before the focal plane . that is , with the increase of the propagation distance z , the dark spot size ( dss ) of the fhb is first increased , and then decreased , the dss has the maximum value at the position of z = - f / 2
发现在焦平面之前有一个非常有趣的传播性质，即随着传播距离z的增加，这一聚焦中空光束的暗斑尺寸( dss )先从另变大然后再变小，最大的暗斑尺寸的位置在z = f / 2处。 - When a collimated - well gaussian laser beam passes through a 27i - phase plate and then focused by a lens , a focused hollow beam ( fhb ) will be generated behind the lens , as a result of the completely ( r = 0 ) and partially ( r 0 ) destructive interference effects around the central region of the beam
当一束准直的高斯光束通过具有2位相分布的位相片和一个薄透镜时，这将导致在入射高斯光束中心的完全和部分相消干涉效应，于是在透镜后就会形成一束聚焦中空光束( fhb ) 。