| 1. | For many applications , for example , high - resolution spectroscopic studies , however , the narrow linewidth is necessary
对于很多应用，例如高分辨率的光谱研究，又需要opo输出线宽较窄。 |
| 2. | If we like to obtain the narrow linewidth parametric beam output , applying soft apertures to input pump beam is helpful , but it will also
如果想获得窄线宽输出，采用软光圈直接输入泵浦光将有助于压缩输出参量光的线宽，代价是转换效率降低。 |
| 3. | In such dense wavelength division multiplexing ( dwdm ) systems a light source having narrower linewidth and further stability of the wavelength has become a requirement
在这样的密集波分复用( dwdm )系统中，光发送机的工作波长必须稳定，线宽必须窄，以避免复用信道间信号相互窜扰。 |
| 4. | In order to realize a experiment of laser cooling and trapping atoms , we have set up a laser diode injection locking system and achieved a laser with single mode , narrow linewidth and 60mw power output
为了进行原子冷却与俘获的实验研究，我们用注入锁定的方法获得了约60mw的单模窄线宽激光输出。 |
| 5. | In the yb3 + - doped single or double clad fiber lasers by using few - mode fiber bragg gratings as wavelength reflectors , the linewidth of the output laser is smaller than 0 . 1nm , which shows that such a scheme can produce narrow linewidth laser
最吸引我们的是使用这种光纤光栅做为腔镜组成的掺yb3 +单包层和双包层光纤激光器有着小于0 . 1nm的3db带宽,说明少量模光纤布拉格光栅具有较窄的反射峰。 |
| 6. | Just below threshold , consistel1t to theoretical analysis , there are numbers of comb - like narrow linewidth lights due to resonating of ifltr8 - cavity ase light . novel experimental results of the erbium - doped - fiber ring resonator behaviors operating near threshold are reported in the chapter
首先理论分析了当有源环形腔无注入光，且有源光纤环形腔在阈值以下时，由有源腔内ase输出光表现出的腔输出特性。 |
| 7. | With the development of laser techniques , the optical cavity has played an important role on monitoring laser mode , measurement and narrowing of laser linewidth , laser mode cleaner , laser frequency stabilization , optical spectrum and cavity - qed etc . , due to its advantages of ultra - low losses , high finesse and narrow linewidth
随着激光技术的发展，谐振腔由于其腔内损耗小、精细度高、线宽窄等特点，使得其在监视激光模式、测量并压窄激光线宽、激光模式清洁、激光稳频、激光光谱学、腔量子电动力学等方面起到重要的作用。 |
| 8. | Secondly , we propose and demonstrate experimentally a novel multi - wavelength erbium - doped fiber ring laser by using a mach - zehnder fiber interferometer and composite cavity . as a result , simultaneous multi - wavelength oscillations with narrow linewidth and equal wavelength span are obtained in room temperature . this device has advantageous of simple design fabrication and low cost et al
进一步，我们设计了一种新颖的多波长掺铒光纤环形激光器，这种激光器是利用mach - zenhder ( m - z )光纤型干涉仪作为梳状滤波器，并且与复合腔共同选频，获得了窄线宽、等间隔的多波长同时输出，这种激光器具有在常温工作，结构简单，成本低等优点。 |
| 9. | Continuous - wave optical parametric oscillators ( cw opos ) are an attractive source of coherent radiation in applications for which laser sources are unavailable or for which wide tunablity is needed , cw opos have remarkable features of operating with narrow linewidth and broad tunablity
连续波光学参量振荡器( cwopos )可以用来拓宽激光的波长范围，有较宽的调谐区域，是一种理想的产生相干辐射的装置。由于它的窄线宽和宽调谐的输出特性，也被用于光谱学、相干光通讯、量子光学等领域。 |
