激光功率密度 的英文怎麼說

中文拼音 [guānggōng]
激光功率密度 英文
laser power density
  • : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
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  • 激光 : [物理學] laser 激光靶 laser target; 激光報警器 laser avoidance device; 激光玻璃纖維 laser fibre; ...
  1. Our experiment indicates that hb - liposome - pdt has good effect to pws ' s animal model - leghorn cock comb at 0. 25 and 0. 5mg / kg drug and in combination with 20 min irradiation of 100mw / cm2

    竹紅菌乙素一脂質體對來亨雞雞冠的動力療效觀察表明,銅蒸氣混合的照射下,在100mwcmz的照射20min ,給藥劑量為0
  2. ( 2 ) the index changes induced by cw laser at milliwatt in linbo3 : fe crystals are studied experimentally in detail. furthermore the experimental results are theoretically analyzed and numerically simulated. the results show that waveguide structures can be effectively induced employing structure light irradiation in linbo3 : fe crystals

    為毫瓦量級的連續輻照下,對linbo _ 3 : fe晶體中的致折射變化規律進行了詳細的實驗研究,並對實驗結果進行了理論分析及數值模擬。
  3. The laser damage threshold of the ybyp _ xv _ ( 1 - x ) o _ 4determined by nd : yag laser, which showed a decreasing tendency with the increase of the dopant concentration

    利用nd : yag器測試晶體的損傷閾值,隨著摻雜離子濃的增大,損傷呈減小趨勢。
  4. Experimental study on that 532nm 、 1064nm 、 1319nm 5khz frequency pw laser irradiate the ccd respectively. with the data of experiment, the thresholds of laser power density that induce ccd saturation, crosstalk and irreparability damage were calculated. the phenomenon that 532nm 5khz laser can induce part of ccd functional damage but absolutely damage was found

    根據實驗數據計算了532nm 、 1064nm高重頻脈沖使ccd出現飽和、串擾以及被破壞的閾值;實驗發現一定的高重頻532nm脈沖可以使ccd局部損傷而不致整體破壞;實驗進一步證實了1319nm不能使可見ccd產生響應。
  5. In this experiment, a neodymium glass laser is used to study the effects of the operating voltage, power density, the height from the observed location of the plasma to the surface of the sample, the location of the sample, the gas composition and the pressure on the intensity and quality of the spectrum

    本文採用高能量釹玻璃器,研究了器工作電壓、、等離子體的觀測高、樣品位置、環境氣體及氣壓對等離子體的譜線強及譜線質量的影響,獲得了最佳的實驗條件,並測量了金屬分析樣品中某些元素的含量。
  6. Some researches about frequency doubling are made, and two methods to improve intensity of second frequency generation are given. we realized q - switched 532 nm laser, by using nd : gdvo4 as laser crystal, using cr4 + : yag as saturable absorber, using ktp as intra - cavity frequency doubling crystal. average power of 109mw, repetition of 40khz, pulse width of 30ns, pulse energy of 2. 6uj, peak power of 91w are obtained

    4 .對倍頻理論進行研究和分析:討論兩種提高二次諧波的方一法;實驗匕在國內首次實現ld端面泵浦nd : gdvo4 / ktp ,用cr4 + : yag作為可飽和吸收片的綠器,腔內倍頻得到了平均為109mw 、重復頻為40khz 、脈寬為3ons 、單脈沖能量為2 . 6閃、峰值為glw的調q綠輸出。
  7. The relationships between the laser performance index, such as laser power densities, pulse energy and energy densities, and the diameter of holes have been set up, and a experience formula between the energy density and the diameter of holes has been established by the regression method, based on the experiment results

    在此基礎上,本文對微噴帶打孔機的性能進行了試驗研究,得到了激光功率密度脈沖能量和能量對打孔孔徑的影響關系。通過數據回歸的方法,建立了能量與孔徑之間的半經驗公式。
  8. The results indicate that for the same pump intensity, the temperature and thermal stress distribution in the disk are not only related with the medium ' s geometry and the special distribution of pump intensity but also related with the fill factor of pump area

    結果表明,在相同的抽運下,介質中的溫分佈和熱應力分佈不僅與介質幾何構型及抽運空間分佈有關,還與抽運斑在介質表面的填充因子切相關。
  9. Due to its wide bandwidth, krf laser beam is ready to be homogenized by a method called induced spatial incoherence ( isi ) to generate uniform illumination on target, which is critical to eos measurements. a long pulse is also preferred to get a " cold " acceleration of flyer in impact experiments

    能量30焦耳、脈沖長50ns 、焦斑直徑300um 、聚焦8 . 5 10 ~ ( 11 ) w cm ~ 2的條件下,考察了對飛片的加速效果、飛片的平面性與聚焦的平面性之間的關系。
  10. The results showed that the processing parameters ( such as laser power, the diameter of laser, scanning speed of laser beam, ratio of overlapping ) are important to acquire a perfect component. furthermore, in order to assure geometric properties ( accuracy, surface finish ), the structure of the off - axial powder nozzle was improved to avoid the oxidation of the molten pool. the density metal test sample of rene95 high - temperature alloy was made by lsf through optimizing the processing parameters

    本文對立體成形的工藝特性進行了深入系統的研究,發現如果要獲得理想的成形效果,就必須對成形過程中的工藝參數進行精控制,例如斑大小、束掃描速、搭接等;同時為了保證成形件有較高的尺寸精和表面質量,必須對成形零件的氧化問題進行控制,通過改進側向送粉噴嘴的結構設計,成形件的表面氧化問題得到適控制。
  11. Calculations show that the near - field profile of the output beam is strong function of the laser launching conditions

    計算表明,入射條件與纖輸出束的近場分佈有著函數關系。
  12. The choice of laser output window height is relation to many factors, such as pressure loading, thermal loading, yield stress, influence on wavefront, failure by fatigue. spherical windows can endure higher laser intensity. however, it brings some phaseshifts, which connect with laser windows parameters

    器輸出窗口厚的選取與壓力載荷、熱載荷、材料極限強、厚對波前的影響、材料疲勞等多種因素有關,由於球殼窗口能承受較高的,但窗口本身帶來相移,該相移大小與窗口參數有關,根據位相均方根值選擇球殼窗口參數。
  13. From the theoretical calculation and the experimental results, we makehe conclusion that the last cavity setup is most suitable for the wavelength tuning. we calculated the stable regions and the peak power on the sesam, at the same time, ave the beam size on the sesam and on the crystal. we achieved the q - switchedutput with a three - mirror folded - cavity after optimizing it

    計算了v型腔和五鏡腔的穩區、晶體和sesam上斑半徑、 sesam上的峰值,對腔的參數進行了優化,並做了sesam被動調q和鎖模的實驗,實現了v型腔調q 、五鏡腔調q的輸出。
  14. 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閾值很高,需要更強的泵浦,因此較大器的熱透鏡效應將會比紅和綠器更明顯,而熱透鏡效應是影響提高和輸出穩定性的重要原因,所以在考慮到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。
  15. In detail, the major work that have been done are as follows : l. irradiated by the 1. 06 m 1. 319 m 3. 8 m laser respectively, when the incident laser power density is between the saturation threshold and the damage threshold, the vibrating phenomenon and the zero - output phenomenon can be seen in the pv - type detectors " response curve

    論文的主要工作有: 1分別用波長為1 . 06 m 、 1 . 319 m 、 3 . 8 m的輻照伏型( pv ) hgcdte探測器,實驗發現,當輻照大於其飽和閾值而小於其破壞閾值時,探測器的輸出存在「振蕩現象」和「零壓輸出現象」 。
  16. Cubic nitride boron ( c - bn ) films have been prepared at room temperature ( 25 ) by radio frequency plasma enhanced pulsed laser deposition ( rf - pepld ), assisted with substrate negative bias. in this paper, we primarily studied the effect of laser energy density, radio frequency power, substrate bias and depositing time on the growth of c - bn films, and analyzed the formation process and mechanism of c - bn films deposited by rf - pepld method at room temperature

    本文採用偏壓輔助射頻等離子體增強脈沖沉積( rf - pepld )方法在常溫下( 25 )制備立方氮化硼( c - bn )薄膜,初步研究了薄膜沉積參數:能量、射頻、基底負偏壓和鍍膜時間對立方氮化硼薄膜生長的影響,並分析了常溫下用rf - pepld方法沉積立方氮化硼薄膜的形成過程和機理。
  17. Presently, the laser pulse from the high power ultrashort laser system is several femtoseconds in duration, tw ( or pw ) level in peak power, 1020 w / cm2 ( or 1021 w / cm2 ) in focusing power density, according electric field is much stronger than coulomb field in atoms

    目前,高超短脈沖放大系統輸出的,脈寬達到幾個飛秒,峰值達到太瓦甚至拍瓦量級,聚焦達10 ~ 20w cm ~ 2 ,甚至1021w cm2 ,相應的電場比原子內庫侖場強得多。
  18. As the laser intensity is about ~ 1018w / cm2, we obtained some new results from the interaction of the us - ui laser pulse with plasma that have not been reported before in china. these results are helpful to understand the physical mechanisms of the laser - plasma interaction, and are very important for the research of fast ignition ( fi ) for inertia

    國內我們首次在激光功率密度約10 ~ ( 18 ) wcm ~ ( - 2 )的條件下,研究了超短超強與等離子體相互作用產生的高能粒子發射,獲得一些國內外未見報道的新的物理結果。
  19. Because p - si is of more special characteristics, comparing to a - si and c - si, firstly, i set forth electrical features of p - si film and acknowledge profoundly electrical mechanism of p - si film. then three parameters of laser annealing, including laser frequency -, accepted - pulse - times and laser power density are studied how to influence crystallization of p - si

    因為多晶硅和非晶硅及晶體硅相比具有更獨特的特點,所以我們先闡述了多晶硅薄膜的電學特點,對多晶硅的導電機理有了深刻的了解;然後研究了、受次數和激光功率密度三個參數對晶化多晶硅的影響。
  20. The influences of the characteristics of pulsed laser source and cfpi on the accuracy of detedtions are analysed in detail

    通過對超聲振動位移與脈沖的的關系進行分析,發現二者之間存在正比關系。
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