But now physicists in the US have shown how to induce lasing in a single living biological cell.
但是现在美国的科学家已经知道怎么用一个活着的生物细胞激发出激光。
His other trick is to boost the output power of the lasing material, neodymium-doped yttrium aluminium garnet.
他所采用的另一个诀窍就是提高激光物质，掺钕的钇铝石榴石的输出功率。
In the latest work, Richard Miles and colleagues at Princeton University used a different mechanism to set up mid-air lasing.
在最近的工作中，RichardMiles及其同事在普林斯顿大学用一种不同的方法建立了一种空中的激光发射。
Chin describes the work as "very interesting" but says he is not yet convinced that such backward lasing could actually be used to detect pollutants and other gases.
Chin称这个工作“非常有趣”，但他也说他还并不确信这种后向激光能确实地用来探测污染物质和其它气体。
The enormous nova crystal deposits and fields of lasing crystals have made it one of the most valuable worlds in the galaxy.
麦基托上的诺瓦水晶储量惊人，光柱水晶矿场也不计其数，这使得麦基托成为银河系最具战略价值的星球之一。
Their lasing and spectral properties are studied.
研究了它们的激射和光谱特性。
This paper studies the lasing condition at lower pressure of argon with experiment.
实验探索了较低氩气气压下激光产生的条件。
Closed all optical cycles in optical networks may generate lasing which adversely affects network performance.
光网络中的闭合全光环路在一定条件下会形成环路激射，对网络造成不利的影响。
A theoretical model was proposed to calculate the lasing wavelength of free running ytterbium-doped fiber lasers.
为了更好地设计掺镱光纤激光器，提出了一种用于确定自由运转的掺镱光纤激光器激射波长的计算模型。
The experimental results showed that the dye's lasing lifetime changes with the laser power density and temperature.
总结了染料激射寿命随激光功率密度和温度变化的实验规律。
These lasers usually employ chemical combustion to energize directly the lasing process by various one-way reactions.
这些激光器一般利用化学燃料，通过各种单向反应直接驱动激射过程。
The operation theory of violet lasing in krypton ion laser and the construction design of the plasma tube are discussed.
本文讨论了氪离子激光器中紫色激光作用的工作原理，放电管的结构设计。
The number of lasing wavelength and wavelength spaces can be controlled by changing the state of polarization controller.
通过调节偏振控制器的状态，可以实现对波长振荡个数和波长间隔的控制。
Due to the lasing effect, the peak modulation frequency of extinction ratio and chirp occur at the relaxation oscillation frequency.
受激射效应影响，消光比及频率啁啾在弛豫振荡频率处达到极大值。
From the experiments, the pump laser's average power density, temperature were found to have different influences on the dye 'lasing lifetime.
通过实验发现，泵浦激光的平均功率密度、温度对染料的激射寿命有不同程度的影响。
Additionally, the influence of such factors as disordered medium, pumping sources and external environment on the lasing threshold is discussed.
并研究了随机介质、泵浦源以及外部环境等因素对随机激光阈值特性的影响。
By means of pulse injection, the relation between lasing wavelength and chip temperature of distributed feedback laser (DFB-LD) has been obtained.
利用脉冲注入法测量了分布反馈激光器(DFB - LD)芯片温度与激射波长的关系。
Chemical laser is characteristically energized by an exoergic chemical reaction which produces the necessary population inversion of lasing species.
化学激光器是以释能化学反应提供能源，并且以化学反应产生粒子数反转为基础的。
Therefore, the characteristics of ECSL should be studied farther to acquire the coherent light source with more accurate and stable lasing wavelength.
因而有必要对其进行深入细致的研究，以期获得更高精确度和更稳定激射波长的相干光源以满足信息高速、大容量传输的要求。
Using this expression, the interrelation of the carrier density in each segment and the emission wavelength can be predicted while the laser is lasing.
该表达式可以用来预测激光器激射工作时，两段载流子浓度和激射波长之间的相互关系。
Results show that the lasing threshold of TM modes can be lower than that of te modes when the radius of the local pumping region is suitably selected.
结果显示，在合理选择局域抽运范围的情况下，TM偏振模式能够获得比TE偏振模式更低的阈值。
Based on the theoretical analysis of the dye and the photo-induced fluorescence, a new method for testing the liquid laser dye's lasing lifetime was introduced.
在对染料以及光致荧光理论知识分析和讨论的基础上，提出了一种新的测试液体激光染料激射寿命的方法。
The experimental results show that the soft x-ray laser is produced at the rise-time of the main discharge current which is 65%—75% of the peak at the lasing time.
实验结果表明，激光产生于主脉冲电流波形的前沿，此时的主脉冲电流是其峰值的65%—75%。
The properties of two photon induced fluorescence and up conversion lasing of three novel laser dyes, PSPI, DEASPI and HEASPI, have been experimentally investigated.
用实验方法研究了三种新激光染料PSPI,DEASPI和HEASPI的双光子吸收荧光和上转换激射。
When the quasi-periodic quasi-structure of random medium interacts with matching pump light, the interference effect under its whole multiple scattering leads to lasing in random medium.
无序介质激光是由该介质的非周期—类结构与相匹配的泵浦光场相互作用时其整体多重散射的干涉效应产生的。
The concept of the lasing lifetime of working substance in the solid dye laser is promoted to liquid dye laser, and a twin laser beam testing method to measure the lasing lifetime is presented.
把固体染料激光器工作介质激射寿命的概念推广到液体染料激光器中，同时提出了一种针对液体激光染料激射寿命的双激光光路测试方法。
Results show that the pumping rate dependence of the output intensity presents not only a threshold property, but also a saturation property, just like that of lasing modes in conventional lasers.
结果表明，与传统激光模式相似，随机激光模式的强度随抽运速率的变化不仅具有阈值特性，而且具有饱和特性。
In the experiments, the influence of triplet state quencher on dye's lasing lifetime was also tested. Two triplet state quenchers which can ameliorate dye's lasing lifetime effectively were found.
通过实验还测试了三重态猝灭剂对染料激射寿命的影响，发现了两种可以有效改善染料激射寿命的三重态猝灭剂。
Lasing wavelength can be larger or less than Bragg reflection wavelength.
激射波长可大于或小于布拉格反射波长。
Lasing wavelength can be larger or less than Bragg reflection wavelength.
激射波长可大于或小于布拉格反射波长。
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