角發散 的英文怎麼說

中文拼音 [jiǎosǎn]
角發散 英文
angular divergence
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  • : 名詞(頭發) hair
  • : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
  1. Lasers and laser - related equipment - test methods for laser beam widths, divergence angles and beam propagation ratios - general astigmatic beams

    激光和激光相關設備.激光束寬度和束擴率的試驗方法.一般象
  2. Lasers and laser - related equipment - test methods for laser beam widths, divergence angle and beam propagation ratios - part 2 : general astigmatic beams

    激光和激光相關設備.激光束寬度和束擴率的試驗方法.第2部分:一般像
  3. Lasers and laser - related equipment - test methods for laser beam widths, divergence angles and beam propagation ratios - stigmatic and simple astigmatic beams

    激光和激光相關設備.激光束寬度和束擴率的試驗方法.無象和簡單象
  4. Lasers and laser - related equipment - test methods for laser beam widths, divergence angle and beam propagation ratios - part 1 : stigmatic and simple astigmatic beams

    激光和激光相關設備.激光束寬度和束擴率的試驗方法.第1部分:無象和簡單象
  5. If it is focused. so the boiloff and cautery of focus tissue can be used in the therapy. also if it isn t focused, the laser radiating focus tissue can bring about concretion effect

    激光治療儀的極小,能量密度高,經聚焦后,可達每平方厘米幾千瓦的功率, co2激光治療儀可用於對病灶組織的汽化,燒灼或切割病灶組織,所以co2激光治療儀也稱謂激光刀。
  6. ( 3 ) to make trig - cluster constringed by acquiring other orthogonal base. the third problem brought on the birth of wavelet that has gone through about a hundred years

    ( 3 )求得另外的正交基,使時于在三族情形下的現象在此時不致生。
  7. Because the beam formed by a tapered coupler is produced by many rays that emerge at slightly different angles, the outgoing beam is characterized by a relatively large divergence.

    因為尖劈耦合器形成的光束是由許多出射稍有不同的光線組成的,放出射光束的特點是具有較大的度。
  8. 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,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。
  9. The angular extent in a specified plane which contains all the radius vectors of the polar curve of luminous intensity having lengths greater than a specified fraction of the maximum

    在某一平面上,一定寬范圍內所包含的光強極軸曲線上的矢徑長度均大於其最大值的某一特定比例,這種情況定義為光束的
  10. This laser poss characteristic : t he output power attains 500w ; laser energy instability less than 2 % ; laser radiation angle : about 3. 5mrad. design a sort of new - style laser cutting head, using this equipment can carry out trepanning and percussion drilling processing

    這臺激光器所達到的參數為:輸出功率達到500w ;激光能量不穩定度: < 2 % ;激光的: 3 . 5mrad 。
  11. The parameters that influence the single photon acquisition probability are the transmitter ' s tracking - pointing error, the far - field divergence angle, the link distance between transmitter and receiver and the receiver ' s antenna aperture

    得到影響單光子捕獲概率的主要參量是射機的跟瞄誤差、光束遠場射機和接收機的鏈路距離和接收機天線孔徑。
  12. The equation for the quasi - continuous atom laser beam wave - function is given by schrodinger equation, the beam width, divergence curvature radius and quality factor were introduced to represent the atom laser beam whose transverse potential could be separated. for the conservative quality factor system in some direction, we can ge t the propagator of abcd formulation

    本文在含時量子系統傳播子的abcd形式理論的基礎上,引入某一方向的束寬、、曲率半徑和品質因子等光束傳輸參數來表徵橫向勢能滿足x和y分量相互獨立的原子激光的傳輸。
  13. Testing method of divergence angle of laser radiation

    激光輻射測試方法
  14. Therefore, to measure exactly the far - field divergence angle of laser beams is highly important

    因此,對測量的研究成為當今半導體激光技術展的一個重要課題。
  15. The propagation of ultrashort laser pulse in air is analyzed with mechanics analogy by considering kerr effects and free electron defocusing. the equation describing the evolution of the laser spot is derived. it is shown that long distance focusing requires large initial beam and the propagation distance is very sensitive to the initial divergence angle of the laser beam

    考慮多光子電離效應和光學kerr效應,首次利用力學類比的方法研究了超短脈沖激光在電離氣體中的傳輸,詳細分析了傳輸距離與激光初始光斑、初始以及激光功率的關系,提出了實現長距離傳輸的條件。
  16. As the extensive application of the semiconductor laser diode ( ld ), it become more and more important to evaluate the quantity of laser beam. far - field divergence angle of laser beams is an important parameter about value of laser quality. not only the laser divergence peculiarity in the distance is reflected, but also quality of the correlative laser apparatus and the laser transmission is exactly known

    隨著半導體激光器日益廣泛的應用,對激光光束質量的評價越來越重要,而激光光束遠場是評價激光質量的一個重要參數,它不但能反映遠距離傳輸時的激光特性,而且能準確評估出半導體激光器的品質及激光的傳輸質量。
  17. Vertical - cavity surface - emitting lasers ( vcsel ' s ) have distinct advantages over conventional edge emitting lasers, such as small divergence angle, single longitudinal mode operation and very low threshold current. they are especially suitable for making two - dimensional ( 2 - d ) arrays as well as vcsel ' s based integrate devices

    垂直腔面射半導體激光器( vcsel )與傳統的邊射半導體激光器相比,它具有小、單縱模工作、非常低的閾值電流等優點,尤其它適於二維面陣集成和與其它光電子器件集成。
  18. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛下的聚焦曲率半徑和傾;討論了第二準直器的尺寸和,以及使用第二準直器造成的強度損失;給出了在不同單色器反射面、起飛、中子波長和第一準直器度的情況下樣品處的中子注量率,以及多種組合情況下譜儀的解析度曲線;對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。
  19. The laser power is detected through the pd ’ s movement across the faculous region. when the value of the peak value of laser power is got, the power of the facular boundary points can be found according to definition of the facular boundary such as “ 1 / e ~ 2 ” theory. then the equation of the facular boundary can be made fitting by using the least square method, and calculate the beam divergence at last

    採用兩個光電探測器分別檢測光束不同高度上的兩個光斑,在確定光斑中心最大光強值后,根據光斑截面尺寸的1 / e2定義,得到光斑截面邊界點的光強值,並以其為標準判定光斑截面的邊界點,對探測到的邊界點通過最小二乘法進行擬合,得到橢圓光斑截面的方程,根據空間幾何關系求出
  20. After measured the laser energy distribution of kunming slr station, the parameters of this non - gassian and non - spherical symmetric laser beam were deduced according to correlation definition. applying its laws and deduced laser beam parameters, the change of laser beam dirvergence angle was studied in detail when adjusts transmission system focus. moreover, calculation based on these measured data indicates that the laser shaded by the second mirror of telescope is amazingly up to 39. 8 %, an optical element was designed for the settlement and it worked satisfactorily when put it into practice

    之後測量了雲南天文臺激光的橫向能量分佈,根據相關定義確定了這束非高斯非球面激光的參數,應用它的傳輸變換規律和測量參數研究了調焦中激光的變化,並根據測量數據計算出激光射時副鏡擋光比例達到驚人的39 . 8 ,研製出光劈解決這一問題,取得了很好的效果。
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