The rate equations for a continuous four level laser are solved in this letter, taking into account the finite lower level lifetime and the crystal field splitting of the laser levels.
在考虑了有限的下能级寿命和激光能级与晶格场的相互作用的基础上，对四能级激光的速率方程组进行了求解。
By shining laser light onto hydrogen or antihydrogen and observing which wavelengths are absorbed, the energy levels of the two can be compared in detail.
用激光照射氢原子或反氢原子，观察何种波长的光线被吸收了，可以通过这种办法来详细地比较这两种原子的能级。
The new laser method is different because it uses natural humidity levels and atmospheric conditions to create water droplets.
而新的激光技术就不同了，因为它是利用自然的湿度和大气的条件来制造水滴的。
Many laser printers use an optical sensor to measure toner levels.
一些激光打印机使用光学感应传感器来测量墨粉余量。
Levels of RNA and DNA in tumor cell membrane in every groups were examined, respectively by laser scanning confocal microtechnic technology.
利用激光共聚焦扫描显微镜，分别测定各组肿瘤细胞中的DNA和RNA。
So it is not necessary to use a broad-band laser to guarantee excitation efficiency for an atom with hyperfine split levels.
因此，在这样激光功率条件下，为提高原子激发效率而增加激光谱线宽度的做法并不是必要的。
Furthermore, the energy levels of rare earth ions in fluoride glasses have long lifetimes, and much more substable levels can be formed, thus upconversion laser transition is abundant.
利用稀土离子在氟化物光纤中的上转换特性，可以获得性能优良的光纤激光器。
Based upon the laser rate equations including relaxation between energy levels, the optimum model of a multipass amplifier is constructed.
由包含弛豫作用的速率方程出发，建立了关于放大器能流密度空间分布最优问题的数学模型。
Laser printers may emit high levels of potentially hazardous particles, according to a new study.
根据最新研究报告，激光打印机可能发射出高标准潜在的有害粒子。
The characteristics of the wavelength switching for different levels of the pump laser power and different wavelengths of the injection laser are studied experimentally.
实验研究了不同泵浦功率及不同注入激光功率情况下的波长切换特性。
The results showed that from the same sample, a number of photon response levels could be stimulated at different laser energies…
由此证明，光释光发光曲线与热释光发光曲线都是不同能级陷阱中的电子跃迁表现。
The results showed that from the same sample, a number of photon response levels could be stimulated at different laser energies…
由此证明，光释光发光曲线与热释光发光曲线都是不同能级陷阱中的电子跃迁表现。
应用推荐