| 1. | Application of metastable helium atomic beam in nanostructures fabrication
亚稳态氦原子束在纳米结构制作中的应用 |
| 2. | Atomic beam resonance
原子束共振 |
| 3. | Atomic beam technique
原子束技术 |
| 4. | Atomic beam device
原子束设备 |
| 5. | Bringing together two coherent atom beams produces interference ? a pattern of “ bright ” spots ( lots of atoms ) and “ dark ” spots ( with few )
将两道同调的原子束聚在一起会产生干涉，出现亮点（原子很多）与暗点（原子很少）的图案。 |
| 6. | Due to the extremely - small dark spot size of the focused hollow beam in the focal plane , it can be used to form an atomic lens with a high resolution
由于这一聚焦中空光束在它的焦平面上具有很小的dss ，可以用来聚焦原子束以形成原子透镜。 |
| 7. | Finally , we propose the third mirror scheme to reflect atomic by using a blue - detuned semi - flattened - gaussian beam ( sfgb )
显然，采用半束兰失谐椭圆高斯光束作为原子反射镜，在相同的反射镜面积下，可比sgb反射镜反射更高法向速度的入射原子束。 |
| 8. | In the case of single - channel magnetic guiding , we calculate the relationship between the guiding efficiency and electric current or the transverse temperature of atomic beam . we also propose several atom - optical elements base on the uccc
本文也计算了单通道磁导引情况下，原子导引效率和电流、原子束横向温度之间的关系，并采用u -型载流导体构建了多种原子光学器件。 |
| 9. | By using the classical monte - carlo method , the splitting process of the guided atomic beam in the beam splitter is simulated , and the transverse adiabatic cooling and heating effects of the atomic beam in the beam splitter are simulated and analyzed from a simple theoretical model
同时，采用经典的monte - carlo方法，模拟了该原子分束器中被导引原子束的分束过程，研究了导引过程中原子束的横向绝热冷却和加热效应，并采用简单的理论模型解释了上述monte - carlo结果，得到了一些重要并且十分有趣的结果。 |
| 10. | When the laser frequency is larger than the atomic resonance frequency ( blue detuning ) , the atoms will experience a repulsing force that will repulse the atoms to the minimum place of light field . this is the principle of atomic mirror or atomic guide and trap . in this thesis , we propose three novel mirrors to reflect atoms by using intensity gradient induced by a blue - detuned semi - gaussian laser beam , a blue - detuned semi - ellipse - gaussian laser beam and a blue - detuned semi - flattened - gaussian laser beam
本文提出了三种实现原子束反射的原子反射镜的新方案： ( 1 )半束兰失谐高斯光束的原子反射镜( 2 )半束兰失谐椭圆高斯光束的原子反射镜( 3 )半束兰失谐平项高斯光束的原子反射镜，详细计算了上述反射镜的衍射光场的空间分布，并讨论了运动原子在光场中所受的偶极力。 |
