beam quality 中文意思是什麼

beam quality 解釋
束流質量
  • beam : n 1 梁，棟梁，桁條；（船的）橫梁。2 船幅；（動物、人的）體幅。3 （秤）桿，杠桿，（織機的）卷軸，...
  • quality : n 1 質，質量；性質，特質；品質，品位。2 優質，美質，優點。3 才能，能力，技能，素養。4 品種。5 身...
  1. In order to obtain the maximum conversion efficiency we always hope the pump source is operated at the maximum level, thus to raise the input pump energy, we have to apply the galilean telescope to input the pump beam, but it will lead to the bad pump beam quality and the large output beam linewidth

    為了獲得最大轉換效率總希望使泵浦源運轉在可達到的最高水平，因此不得不採用伽利略壓縮望遠鏡輸人泵浦光以提高輸人泵浦光的能量，但是這同時使泵浦光質量變壞，使得輸出線寬變大。
  2. The experiment of intracavity doubling of a 946 nm nd : yag laser with an lbo crystal has been done at room temperature. a continuous wave 473 nm laser is obtained with 235mw output power at a pump power of 20w. the laser beam quality of 473 nm is good as well

    對腔內倍頻輸出473nm激光進行了初步的實驗研究，在泵浦功率為20w時， l獲得了光束質量較好的連續波形式的藍光激光輸出，其功率為200mw 。
  3. The multi - pass amplifier was being adopted proverbially, which could improve the output energy consumedly. but on the other hand the beam quality was degraded by the severe wave - front ' s aberration that exacerbated by multi - passing the beam through the amplifier

    多程放大系統因能夠較大提高系統的輸出能力，故得到較為廣泛的應用；但由於多程放大級各類波前誤差的相干疊加，使系統輸出激光的波前發生比較嚴重的畸變，導致光束質量的下降。
  4. An experimental approach is given for the measurement of the beam quality factors of an ingaas / algaas sch dqw laser

    本文還通過實驗測量了ingaas algaasschdqw激光器的光束質量因子m ~ 2 。
  5. Based on the generalized huygens - fresnel diffraction integral and in consideration of the effect introduced by astigmatism, the transformation properties of gaussian beams passing an astigmatic lens are studied analytically, the beam quality of astigmatic gaussian beams is analyzed in terms of the beam propagation factor ( m2 - factor ) and power in the bucket ( pib ), and illustrated with numerical examples

    基於廣義惠更斯-菲涅爾衍射積分，並考慮了像散的影響，對高斯光束通過像散透鏡后的傳輸特性作了解析研究，以光束傳輸因子和桶中功率為參數分析了像散高斯光束的光束質量，並以數值計算例加以說明。
  6. Within the frame of the abcd formulation of propagator of a time - dependent quantum system, the abcd law is extended to the so - called effective abcd system which effective beam quality factor is conservative ; we discussed the system like the propagation of the atom laser beam

    如果考慮原子激光內部原子間相互作用的影響，就要引入描述原有品質因子和原子間相互作用綜合作用效果的物理量? ?有效品質因子和有效復數曲率半徑，利用heisenberg圖像得到傳播子的有效abcd形式。
  7. The double - clad fiber laser has the advantages of simple structure and high reliability, high output power, high conversion efficiency, high beam quality

    它具有結構簡單緊湊、輸出功率高、穩定可靠、光電轉換效率高、光束質量好等優點。
  8. It is well known that nonlinear self - focusing effect is one of the important factors to limit icf laser energy and worsen beam quality

    實踐表明，非線性自聚焦效應是限制icf驅動器激光輸出能量及破壞光束質量的主要因素之一。
  9. At first, modeling of these divvies by rate equations to obtain expressions for threshold and slope efficiency is given. on the case of this theory, the large numbers of literatures and datum are consulted, and the laser is home studied. through rationally selecting and improving the reflector surface, ensuring the beam quality, increasing farthest the absorption path, and improving effective pumping frequency ; through designing the water cooler of yag bar, the volume of laser is half the same internal and international production, and the output power is get to the extremum of the same international production

    並在此基礎上查閱了大量文獻和資料，對該種激光器進行了深入的研究，通過對yag棒直徑的合理選取併合理地改進反射鏡面，從而既保證了光束質量又最大限度的增加了吸收長度，有效的提高了泵浦效率；在不影響泵浦的前提下，通過有效縮短yag棒的長度減小輸出損耗；對yag棒的水冷系統進行優化結構設計，使激光器體積減小到國外同類產品體積的一半，而輸出功率已達到國外同類產品的極限值。
  10. In fact, laser beam quality is a main parameter that has key action on laser materials processing from the beginning to the end. in this dissertation, the parameter used to evaluate laser beam quality is proposed. the influence of beam quality on beam propagation and focus are studied in theory and measurements separately

    本文以光束質量為主線，研究了光束質量對激光製造技術貫穿始終的重要作用，提出了以描述激光束聚焦特性為核心的光束質量評價參數;理論分析，並實驗驗證了光束質量對光束傳輸和聚焦性能的影響;最後，以激光焊接為實例，研究了光束質量對激光加工過程的影響。
  11. To achieve diffraction - limited beam quality laser, single mode fiber is used as waveguide in both fiber amplifier and fiber laser in the past

    為了實現高光束質量激光輸出，傳統的光纖放大器和光纖激光器均採用芯徑較小的單模光纖作為增益介質波導。
  12. Based on the convergence criterion of root - mean - square ( rms ) of phase and output power, the actual intensity on reflectors are solved with fox - li iteration so that the deformations of mirrors and one - way phaseshifts are calculated. by simulating one - way phaseshifts with zernike polynomial, the laser modes are studied with method of iteration and geometriy. the evaluation factors of components influences on beam quality is discussed

    根據相位均方根值迭代收斂準則和輸出功率，用fox - li迭代法求出反射鏡上實際的光強分佈和熱源，得到鏡面的位移變形和單程附加相移，以zernike多項式擬合單程附加相移，分別用迭代法和幾何法計算了腔鏡變形時的腔模光場，建立了光學元件對光束質量影響的評價因子，研究腔鏡冷卻效果和冷卻方式，對輸出耦合鏡的變形進行了分析。
  13. Polarization characteristics of laser beam, which is one of the important characteristics of high power laser, have a direct effect on output power, damage threshold of optical elements and beam quality etc. the polarization characteristics in the high power coil resonator is analyzed by jones calculus, and draw a conclusion that, in general the eigen - polarization state is elliptical polarization

    激光光束的偏振特性是高功率激光器的一個重要特性之一，直接影響著高功率激光器的輸出功率、腔內光學元件的損傷以及光束質量等。本文首先利用瓊斯矩陣演算法對高功率氧碘激光器腔內的偏振特性進行了分析，並得出結論，諧振腔內的本徵振蕩一般為橢圓偏振。
  14. Based on analyse of parameters which used to evaluate laser beam quality at present and according to the main properties which influence on laser manufacturing, beam focus characteristics parameter is put forward as the stander parameter to evaluate beam quality, because the foundmental advantage of laser beam applied in industral field is that laser beam can achieve high energy intensity through focusing

    論文在總結目前存在的評價激光光束質量參數的基礎上，根據對影響激光製造的主要光束特性參數的分析，以光束空間特性為核心，提出用光束聚焦特徵參數值作為評價激光光束質量的參數。因為激光作為能源能夠在工業領域廣泛應用的根本優勢就在於它可以通過聚焦獲得極高的能量密度，而值恰恰表徵了實際光束的可聚焦能力。
  15. Laser - diode end - pumped solid - state laser has many advantages, including high efficiency, good beam quality, high frequency stability, narrow line width, long lifetime, compact configuration, convenient for using et al. especially, single - frequency solid - state laser sources are required for many fields of fundamental research and scientific application, such as gravity - wave detection, coherent laser radar, coherent communication and fiber sensing

    激光二極體泵浦的固體激光器具有全固態、小型化、效率高、使用方便等優點而受大家的廣泛關注，尤其是實現單頻運轉的全固態激光器以其優良的頻率特性和輸出功率穩定性可廣泛應用在相干信息處理、頻率計量、量子光學、引力波測量和量子信息等研究領域。
  16. So, it is clear that the beam quality and focusing system determine the focal beam properties together, k fand fnumber describe them separately. laser beam quality influences on beam

    這四個參數分別反映了光束本身的特性和聚焦系統特性，光束特性用值描述，聚焦系統特性用焦數描述。
  17. How to improve the output energy and beam quality were two most noteworthy problems in the building of high power solid - state laser facility

    提高系統能量轉換效率與輸出光束質量一直是研製高功率固體激光系統極為關注的兩類重要問題。
  18. The goal of aero - optical research should be to improve or avoid the laser beam quality degradation caused by aero - medium

    氣動光學研究的最終目的應該是改善或避免由於氣動介質引起的光束質量下降。
  19. Study on measurement method of laser beam quality parameter

    激光光束質量參數測量方法的研究
  20. Laser - induced deformations of unstable resonator mirrors of high power laser result in some aberrations of resonator parameter, which distort laser modes and degrade beam quality

    高功率激光器中，非穩腔鏡受激光直接輻照，鏡面發生變形，使諧振腔參數偏離設計值，模式發生畸變，光束質量變壞。
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