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- Based on Collins formula and ABCD propagation matrix theory,the propagations of laser beams with different profiles through an aperture lens are analyzed and compared under the same laser beam power and initial beam width in this paper. 基于柯林斯公式和ABCD传输矩阵理论 ,在相同激光功率和初始束宽下 ,研究了不同空间分布光束通过聚焦光学系统的传输特性。
- laser beam width 激光束宽
- How does a laser beam vaporize steel? 激光束是怎样使钢气化的?
- By applying "slit method",the beam width of THz wave was measured. 利用“狭缝法"测量了太赫兹光束的束宽。
- I want to buy a new laser beam printer. 我打算买新的激光束打印机。
- Do not allow the laser beam to enter the eye. 不要直视激光束。
- In case of electronic scanning the beam width is broader by a factor of two . 电子扫描时，波束宽度展宽一倍。
- In optical recording, refers to the areas of the data tracks which are between the pits. These are typically the areas not touched by the recording laser beam during mastering. 在光记录技术中，指光道上两个凹槽之间的区域。在制作母盘时记录激光束不照射这些区域。参阅pit。
- The high intensity of a laser beam makes it a convenient drill. 激光束的强度极高，这就使它成为一种方便的钻孔工具。
- As described above, the laser beam is much more powerful. 如上所述，激光束比其他光束要强烈得多。
- They split a laser beam in two, sending one half to a sample. 当雷射光击中单一小颗粒，便会向后散射，然后与另外一道雷射光重新结合。
- It is important to eliminate or degrade the effect caused by the beam width of echo sounders and reflect the true seabed. 为提高海底地形的测量精度，应消除或减弱波束角效应影响。
- In this OPU, we use a triplet lens to collimate the laser beam. 在该系统中，我们采用三片式准直镜来对光束进行准直。
- The high intensity of a laser beam makes it a convenient drill . 激光束的强度极高，这就使它成为一种方便的钻孔工具。
- That tower rays a laser beam for miles across the sky. 这座塔发出的激光束在天空中照过好几英里。
- With the help of statistic principle, the estimtion ormulas ofthe antenna gain loss, beam width and siedlobe level in sparse array are derived. 应用概率统计原理，导出了具有幅相误差、元失效时稀疏阵天线阵增益损失、束宽度、向、瓣电平的估计公式、得出一些有益结论。
- Laser beams are also used in surgery. 激光束还可用于外科手术。
- Laser beams may cauterize and heal ulcers. 激光束可以烧灼和愈合溃疡。
- Study of Underwater Spot Spread of Collimated Laser Beam[J]. 引用该论文 刘应状;朱耀庭;朱光喜;马泳;彭复员.
- When the initial power equals the critical power, a stabile spatial soliton is obtained, and generally the beam width takes periodical contraction or diffraction. 当初始功率等于临界功率时,可以得到一个稳定的空间孤子,而一般情形下,束宽则作周期的压缩或展宽变化。
