q - switched laser造句

• q-switched laser at 532 nm
  调q半导体激光器
• Diode pumped solid-state q-switched laser is a good source of pulse laser with high peak power and high repetition rate
  而ld泵浦的固体调q激光器是产生高峰值功率脉冲激光的优质光源。
• Cr + : yag as absorber is a very small device, so it is very simple and convenient, which suits to small-sized passively q-switched lasers
  它作为一种即插即用型被动调q元件，简单、方便，非常适合激光器的小型化。
• We have researched the theory and experiment on q-switch lasers based on high power diode end-pumped nd : yag crystal to suit the requirement of photoelectric resisting
  我们针对光电对抗的应用要求对大功率ld泵浦的调qnd:yag激光器进行了相当深入的研究。
• Laser-diode ( ld ) pumped passive q-switched laser can supply this kind of pulses and have the advantages of simplicity, compactness, high efficiency and low cost
  激光二极管（ld）泵浦的被动调q激光器能够提供这种脉冲，而且具有结构紧凑、效率高、价格便宜等优点。
• (3 ) without driving signal, all fiber q-switched lasers can achieve self q-switched pulse, measuring the effect of different pumped power to self q-switched and giving reasonable theory analysis
  (3)全光纤调q激光器,在没有驱动信号的情况下,得到自调q脉冲,测量了在不同泵浦功率条件下对自调q现象的影响,并从理论上给予了合理的分析。
• Diode pumped solid state lasers ( dpssl ) have become the central focus of the field of lasers due to their many advantages such as high efficiency, stability, good quality of light beam, compactness, long time and etc . diode-pumped passively q-switched laser is much efficient to obtain narrow pulse width and high peak power
  激光二极管泵浦的全固态激光器(diodepumpedsolidstatelasers,dpssl)具有效率高、稳定性好、光束质量好、结构紧凑、寿命长等优点。
• A diode pumped cr4 +, nd3 + : yag crystal self-q-switched laser is demonstrated with fiber coupled ld and the imaging system . the pulse laser with 1064 nm wavelength is obtained . the maximum average output power is 3.36 w, and the pulse duration is 65 ns, and the repetition rate is 87 khz, the opto-optical efficiency is 15.3 %, the slope efficiency is 23.8 %
  用光纤耦合输出的ld，通过成像系统会聚，对二极管泵浦的自调q激光器进行了实验研究，得到了平均功率3.36w，脉冲宽度65ns，重复频率87khz的1064nm脉冲激光。
• With the theoretical and experimental methods, the characters of cr4 + : yag are studied from cr4 + : yag as passive q-switching in nd : yag laser, intracavity frequency-doubling of q-switching laser and dual-wavelength laser, which is based on cr4 + : yag's operations of saturable absorption and laser gaining medium . chapter 1 : introducing the cr4 + : yag's optical function, the general research situation and the main idea of this thesis
  本论文基于cr~(4+)yag晶体既可以作为ndyag激光器的被动调q开关、又可以作为激光增益介质的特点，采用理论和实验相结合的研究方法，详细而具体的研究了cr~(4+)yag晶体被动调q、调q倍频和双波长激光输出的特性。
• The intracavity photon density and initial population inversion density are assumed to be gaussian distributions instead of plan wave assumption, based on this assumption, the rate equations of diode-pumped intracavity-frequency-doubled passively q-switched laser are modified . through solving these space-dependent rate equations numerically, the results under different assumption are compared . 5
  将腔内光子密度和初始反转粒子数的平面波近似修正为高斯分布近似，独立地导出描述二极管泵浦内腔倍频-被动调q激光器的速率方程，并通过数值求解该方程比较了两种近似下脉冲特性的不同；5.实验验证了2中提出的实验方案，并对实验结果进行了分析。
• Fiber laser, as a new subject, has been developing rapidly in recent years, especially the short pulse fiber laser . because of its potential application in both optical soliton and optical time division multiplexing communication system in the future, it received more and more attention . in this paper, the author generalizes the latest development of q-switch laser and introduces the common q-switch
  近年来,光纤激光器得到了迅猛的发展,特别是短脉冲光纤激光器,由于它在光孤子和光时分复用中的潜在应用,受到越来越多的关注,本文综述了常见的调q开关和光纤调q激光器最新发展情况,作者利用光纤m-z干涉仪作为q开关,实现了激光器的全光纤化,围绕光纤调q激光器进行了激光器调谐、自调q、主动调q、光纤激光器的模式结构等方面的研究工作。
• Chapter 3 : researching the intracavity frequency-doubling of nd : yag / cr4 + : yag q-switching laser with clbo crystal . the several factors to affect the frequency doubling conversion efficiency are analyzed theoryretically . the 33.5 % and 46.8 % frequency doubling conversion efficiency are achieved in plane-concave and dual-concave resonators
  理论上分析了影响倍频转换效率的几个因素，分别在平凹腔和双凹腔ndyag/cr~(4+)yag被动调q激光器中插入clbo进行实验研究，得到了转换效率分别为33.5，46.8的绿光脉冲输出。
• As a method to obtain higher sbs reflectivity by improving the monochromaticity of laser system, the ld end-pumped pulse-microchip laser operated on high-repetition and single-frequency has also been researched . in section v, we revised the previous theoretical model for passive-q-switched laser using cr4 + : nd3 + : yag by introducing the space dependence between the photons and inversion populations in microchip resonator
  由于泵浦激光的线宽对sbs反射率有显著影响，而利用单纵模、高重复频率运转的脉冲微片激光器作为dpl系统种子光源来提高激光系统单色性是一种可行的技术方案。
• For the ld pumped self-q-switched laser, the peak power, pulse energy, pulse width and energy extraction efficiency, which have been influenced by the loss in the cavity, cavity length and the threshold absorption coefficiency of the absorber, have been calculated . then we know how to choose the parameters of the self-q-switched laser for design
  根据自调q二极管泵浦固体激光器的特点，计算了腔内损耗、腔长和饱和吸收体的初始吸收系数对于峰值功率、单脉冲能量、脉冲宽度和能量利用率的影响，并由此提出了设计自调q激光器中的参数选择规律。
• For the ld pumped self-q-switched laser, the peak power, pulse energy, pulse width and energy extraction efficiency, which have been influenced by the loss in the cavity, cavity length and the threshold absorption coefficiency of the absorber, have been calculated . then we know how to choose the parameters of the self-q-switched laser for design
  根据自调q二极管泵浦固体激光器的特点，计算了腔内损耗、腔长和饱和吸收体的初始吸收系数对于峰值功率、单脉冲能量、脉冲宽度和能量利用率的影响，并由此提出了设计自调q激光器中的参数选择规律。