beam waist 中文意思是什麼

beam waist 解釋
光束腰（收斂部分）
  • 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，...
  • waist : n. 1. 腰；腰部；（衣服的）腰身。2. 〈美國〉（女人、小孩子的）背心。3. 【航海】中部上甲板；船腰；（帆船的）主桅與前桅之間部分；【航空】機身中部[腰部]。4. 【動物；動物學】蜂腰。
  1. On one hand, is the product of beam waist radius and half divergence angle, wavelength is not involved. so there is possibility to compare the acutal focusing ability among laser beams with different wavelength. on the other hand, is a calculated result by measuring experiment, and it is more brief and persuadable than m 2factor, since the latter one is a ratio with basic mode gauss beam

    論文研究論證了用值評價激光光束質量的實際意義在於兩個方面，一方面它僅僅包含了光束束寬和發散角，不涉及波長的因素，使不同波長激光束的可加工能力具有可比性;另一方面，值是根據對光束傳輸路徑上不同位置處束寬實際測量結果的計算值，比其在與基模高斯光束進行比值計算得到的m2因子更簡潔、更有說服力。
  2. ( 2 ) based on the propagation equation of fgbs passing through unapertured paraxial abcd optical systems, the similar transformation conditions are obtained for the first time, which is expressed as that two fgbs with the same beam order have similar intensity distributions at the two positions of equal generalized fresnel number when they propagate through two ajb, cjdi ( i = l, 2 ) systems. furthermore, a comparison between a fob and a sgb of the same beam a ^ - factor but different waist widths is performed for the first time

    （ 2 ）通過對作為整體的平頂高斯光束在無光闌限制近軸abcd光學系統中傳輸公式的分析，首次得到了平頂高斯光束的相似變換條件，即階數相同的平頂高斯光束在傳輸矩陣為a _ ib _ ic _ id _ i （ i = 1 ， 2 ）的兩個光學系統中傳輸時，在菲涅爾數相等的兩個面上具有相似的光強分佈。
  3. Finally, a design example of optical system used for smog attenuation testing system is given to illustrate the effect of spherical aberration on the image beam waist

    最後通過激光羽煙衰減測試系統中聚光光學系統的設計實例說明了球差對高斯光束像方束腰的影響。
  4. The condition under which higher - order dispersive effects can be neglected is also discussed with numerical examples. 6. based on the fourier optics, the focusing of ultrashort pulses by a silica lens in both cases of constant beam waist and constant diffraction length is studied considering dispersion of first, second and higher order, respectively

    6 ，使用傅立葉積分變換法，在考慮透鏡色差和高階色散效應的較為一般情況下，分別研究了等束寬超短脈沖高斯光束和等衍射長度超短脈沖高斯光束通過硅玻璃透鏡的聚焦特性。
  5. When a larger waist w of the incident gaussian beam and a shorter focal length / of the lens are chosen, we can obtain an extremely - small dark spot size of the focused hollow beam, even approach the diffraction limit

    當選擇較大的入射準直高斯光束的束腰w _ 0和較短的薄透鏡焦距f時，可以在焦平面上產生一個很小的dss （或束半徑r _ 0 ） ，甚至可以接近衍射極限。
  6. The results show that radius and position of focal beam waist, focal angle and focal depth describe focal beam properties. they are determined by waist and rayleigh length of beam before focusing, the position and focal length of focus mirror

    聚焦光束束腰位置和半徑、聚焦角、焦深、焦點偏移量以及焦點漂移量是描述光束聚焦特性的主要參數，它們由四個參量共同決定，分別為聚焦前光束的束腰半徑、瑞利長度和聚焦鏡的焦距以及聚焦鏡到光束束腰位置的距離。
  7. Radius variation of image beam waist due to spherical aberration which varies with the position of objective beam waist and optical system focus is analysed by the form of curve

    同時以曲線的形式分析了當物方束腰的位置和光學系統焦距變化時，由球差引起的像方束腰半徑變化量也隨之改變。
  8. The electromagnetic field and energy distribution of gaussian beam existing in quasi - optical resonator are analyzed and simulated using matlab, the resonant frequency and waist radius of the resonator are calculated, and design the 3mm quasi - optical resonator according to resonant frequency and waist radius

    本文首先分析了準光腔內存在的高斯波束電場和能量分佈情況，模擬了工作模式tem _ （ 00q ）和高次模式的電場和能量分布圖，計算準光腔的諧振頻率和束腰半徑，以此為依據設計了3mm準光學諧振腔。
  9. Because of high threshold of 946 nm laser, severe thermal lens effect will appear when the 946 nm laser operations. in the consideration of thermal lens effect, the - optimized folding cavity has been devised. the relation between thermal lens effect and the radius of laser beam waist has been given as well

    由於946nm激光閾值很高，需要更強的泵浦功率密度，因此較大功率藍光激光器的熱透鏡效應將會比紅光和綠光激光器更明顯，而熱透鏡效應是影響激光功率提高和激光輸出穩定性的重要原因，所以在考慮到激光晶體熱透鏡效應的情況下，優化設計了折疊腔結構，並給出了熱透鏡效應和折疊腔中腔模半徑大小的關系。
  10. For single lens, the change of beam quality lead to the varity of dimension and positions of spot of focused nd : yag laser. a telescopic system can produce constant dimension and position of beam waist

    激光光束質量的變化導致了單透鏡的聚焦光束的束腰大小和束腰位置都發生變化，採用望遠鏡耦合系統可以得到大小和位置都不變的像方束腰。
  11. There is a part of beam loss during the course as the neutralization of high - energy particles dragged from the ion source, the deflexion of charged particle on the beam stream and the scraped beam of exceeding beam waist and low density. it is necessary to analyze the beam loss and bring forward a rational project for absorbing beam stream

    將離子源引出的高能粒子進行中性化，再偏轉掉束流中的帶電粒子，將超過束腰半徑、密度較小的束流削除，在此過程中有一部分束流損失，它直接影響加熱功率的因素，因此，對束流損失進行了分析，對損失束流的吸收提出了吸收方案。
  12. The effect of spherical aberration on the radius of image beam waist in the design of laser optical system is discussed in detail, and the expression is presented

    摘要文章主要針對激光光學系統設計中存在的球差對高斯光束像方束腰半徑的影響進行了詳細的討論，並給出了具體關系。
  13. When the radius of the beam waist is twice bigger than that of the pupil, the image quality is almost invariant

    當束腰半徑2倍于光瞳半徑以上時，成像質量幾乎不受高斯光束的影響。
  14. When the beam waist along the y direction of blue - detuned segb is the same as that of the sgb, due to a smaller cross surface, the absolute intensity distribution of the blue - detuned segb is larger than that of the sgb with the same incident laser power

    當橢圓高斯光束的w _ y與gb的光腰w取相同大小時，隨著橢圓高斯光束w _ x的逐漸減小，橢圓高斯光束的截面積將逐漸變小，而其光強將逐漸增大。
  15. Starting with analysis on the field of gaussian feed ' s aperture, the relations of radiation characteristic and power capacity and gaussian beam waist radius are investigated particularly by using the circular waveguide intrinsic mode expansion method

    =本文從圓錐高斯饋源口面場分析入手，利用高斯場展開成規則圓波導場的方法，細致的討論了高斯束腰對饋源輻射特性和功率容量的影響。
  16. 2. a theoretical analysis and numerical simulation considering pumping beam waist, q - switch, cavity design are presented. combine with the theoretical analysis and the request of fundamental wave, the appropriate cavity and q - switch are chosen

    2 .從諧振腔設計理論及調q技術進行分析，討論了ld泵浦固體激光器的輸入輸出特性及影響閾值的主要因素;結合理論和我們下面工作的要求，選擇合適的腔形及調q方式。
  17. When the beam waist wy of blue - detuned segb along the y direction is 10 mm, and its wx is decreased from 10 mm to 1mm, the absolute diffracted intensity from the segb surface will be 10 times of that from the sgb surface, which can be used to reflect an incident atomic beam with a higher normal velocity

    因此，當橢圓高斯光束的w _ y = 10mm ，而w _ xw從10mn減小到1mm ，半束蘭失諧橢圓高斯光束反射面的衍射光強將比同樣參數條件下的sgb反射面的衍射光強提高了10倍。
  18. Waist of gaussian beam

    高斯光束腰
  19. The position and size of the waist of the gaussian beam are get

    測出相關函數在光路上某一位置的數值，並由此同時求出高斯光束的束腰位置和大小。
  20. A theoretical study of input and output properties of four - level solid laser was performed according to the velocity equation, and the important role of the overlap integral j, was noticed and made a fully usage in optimizing the end - pumping solid state laser parameters such as : rod length > pump position pumping and oscillating beam waist size

    從四能級速率方程出發，理論推導了ld端面泵浦的固體激光器的輸入輸出特性，並指出重疊積分j _ 1對激光器輸出特性的極大影響，從而對其在不同泵浦條件下進行分析並以此得到端面泵浦條件下固體激光器的最優化設計參數的選取方法。
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