| 1. | Analysis for optical trapping force in single beam optical tweezers 单光束光镊光阱力分析 |
| 2. | Controllable double - well optical trap for cold atoms or molecules 冷原子或冷分子囚禁的可控制光学双阱 |
| 3. | The subjects under research include high - performance rubidium atomic frequency standard , microwave and optical trapped ion frequency standard and cold atom frequency standard , etc . the lab 目前正在开展的研究课题有高性能铷频标、离子阱微波频标和光频标、冷原子频标等。 |
| 4. | Information entropy method for measuring the axial displacement of a bead and its application to analyzing the trapping force of optical trap , proceeding of spie , vol . 5637 ( spie , bellingham , wa , 2005 ) 305 相关运算图像分析方法与图像测量位移直接比较小球图像边缘的位置变动方法相比,测量精度有明显提高。 |
| 5. | The patent covers the use of a computer - designed diffraction grating , a type of hologram that takes a single beam and breaks it up into an array of beams , each one of which forms an optical trap for particles of micron or nanometer dimensions 此专利涵盖了电脑设计的绕射光栅,以及可将单一光束分散成阵列光束的雷射全像术,其中每道光束都会形成光阱,可捕捉微米或奈米大小的粒子。 |
| 6. | We using a he - ne laser as light source , an optical tweezers with one optical trap was set up . the laser light and the observation light normally incident the objective back aperture . we can always observe and manipulate dielectric spheres at the top layers 在仪器研制方面,我们将he - ne激光器与显微镜系统耦合构建了一套显微镜物镜正置光镊系统,作为光镊光的激光从物镜上方竖直进入物镜目瞳,这样光镊光位于样品池的上方。 |
| 7. | On the other hand , various techniques using the dhbs have been applied in optical traps for microscopic particles , guiding , cooling and trapping for neutral atoms as well as in manipulations and control of coherent matter waves ( i . e . , bose - einstein condensations ( bec ) ) and so on 同时,其他的一些研究小组开展了暗中空光束在光阱与微粒的操纵、中性原子的激光导引、冷却与囚禁以及相干物质波(如玻色-爱因斯坦凝聚, bec )的操纵与控制等领域的应用研究。 |
| 8. | On construction of optical tweezers , a dual - optical tweezers system was set up using a ti - sapphire laser . the optical trap steering and sample micro - manipulation systems were constructed . the displacement and force measurement systems were incorporated , and displacements of nanometers and forces of picnewtons can be detected 所谓光镊就是利用光的压强效应,由一束高度会聚的激光形成的光学势阱,利用它可以对单个细胞、生物大分子等微小物体实现非接触、无损伤操作。 |
| 9. | In the first part , we describe the designing and construction of vapor cell magneto - optical trap ( vcmot ) in our lab . then , show the optical dipole trap of cesium based on the work of vcmot . in the third part , some preparation works for cavity qed research are presented 本文的工作主要包括以下三方面:第一,采用汽室磁光阱实现了铯原子的激光冷却与俘获;第二,在实现磁光阱基础上,采用红移行波偶极阱实现了铯原子的光学偶极俘获;第三,开展了一系列腔qed前期实验准备工作。 |
| 10. | Usually the magneto - optical trap is used to obtain the cold atoms from the vapor . it is reported that experiments for obtaining the ultra - cold cesium atoms by optical molasses directly from the vapor cell without mot . the lowest temperature achieved for the cesium atomic cloud was 3k . the relationship between the temperature and the detuning of cooling laser was measured 报告了采用直接从铯蒸汽气室而不用磁光阱实现了光学粘团的方法。用此办法得到了3的铯的超冷原子团。这是我国目前用激光冷却方法得到的最低温度。 |