波束光束 的英文怎麼說
中文拼音 [bōshùguāngshù]
波束光束
英文
beam-
Evidently the wave properties of light are not attributable to the beam acting as a whole.
顯然光的波動性質不能歸給光束整體。From the efficiency curves, we can obviously see that it has the fittest length of crystal and the power of pump if the other condition is determined
提出了在雙諧振時,平面波和高斯光束在一定的泵浦條件下,都存在最佳長度、最佳泵浦強度的問題,並對其進行了計算機數值模擬。In the section 3, we calculated the threshold and efficiency of double resonance oscillator ( dro ) in plane wave of clbo ; we also got the efficiency curves of clbo in gaussian beam
第三章分析和數值模擬計算了平面波雙諧振情況下clbo晶體的振蕩閾值和轉換效率曲線,同時給出了高斯光束的轉換效率曲線並與bbo晶體進行了比較。The principle of the interleaver with output spectra similar to cosine function, based on mzi, is analyzed theoretically. by using the tandem of two mzis, we get the flattop spectrum ; last, grounding on the polarized light interference and multi - beam interference, we analysis the principle of bgti interleaver, and simulate the relations between output spectra and reflectance of g - t resonator. furthermore the flattop output spectrum of bgti interleaver is achieved
4 、分析了fmzi型interleaver濾波器的工作原理,其輸出光譜曲線為類餘弦函數;採用級聯fmzi方案,實現了interleaver濾波器的光譜平頂光譜輸出;最後,基於偏振光干涉和多光束干涉原理,分析了bgti型interleaver濾波器工作原理,模擬了g - t腔部分反射系數r與輸出光譜的關系,獲得了50ghzbgti型interleaver濾波器平頂化輸出光譜。E., the carrier frequency of a gaussian beam deviates from the resonant frequency of a fabry - perot etalon ), variations of the peak intensity, the position of the peak intensity and the dwdm systems, has received considerable attention. in this work, after taking into account the wavelength - depended reflectivity distribution profile of a fiber bragg grating, the oscillation wavelength # _ ( 1 ) of long external cavity fiber bragg grat
與共振情況(即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率一致)相比,非共振條件(即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率存在偏差)一透射光束的峰值強度、峰值強度所對應的位置、以及光斑的大小隨入射角的變化都發生了顯著的改變。Our study shows that the optical potential of the diffracted light of the semi - gaussian beam is far higher than that of the evanescent - light wave, and its maximum normal velocity of the incident atoms can be far grater than that of the evanescent - light wave under the same parameters, so the blue - detuned semi - gaussian beam, as a novel atomic mirror, can be used to efficiently reflect atoms with a normal velocity of greater than 1 m / s
研究表明,半束蘭失諧高斯光束衍射光場的光學勢遠大於消逝波光場的光學勢,在同樣的參數條件下,入射原子的最大速度也比消逝波光場的大,所以作為一種新穎的原子反射鏡,半束蘭失諧高斯光束可以被用來有效的法向速度大於1m s的入射原子。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 。The power source is not microwave radiation but is either a laser beam or a charged particle beam
能量的來源不是微波幅射,而是雷射光束或是帶電粒子束。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。We used four different wavelength light including red light ( 750nm ), yellow light ( 580nm ), green light ( 560nm ), blue light ( 400nm ) to stimulate four different groups compound eyes. then the ultrastructures of the compound eyes of each group were observed under electron microscope. the results showed the fine structure of the photoreceptor, the diameter of rhabdom, the dimension of perirhabdom vacuole, the number of pinocytotic vesicle below the microsvilli, the location of pigment granules, the emergence of lamellar bodies and lysosomes in cytoplasm, were different in different light adaptation
二、不同光照條件下復眼超微結構的變化三疣梭子蟹經過12h暗適應后,在不同波長的紅光( 750nm ) ,黃光( 580nm ) ,綠光( 560nm ) ,藍光( 400nm )照射下,其光感受器的小網膜細胞和感桿束的形態和超微結構呈現較大的區別,感桿束的形態、細胞內的胞器隨不同波長光的適應而發生變化,在紅光下感桿束直徑最大,微絨毛排列整齊,在藍光下感桿束直徑最小,微絨毛最凌亂。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。In conclusion, a laser target shooting setup utilizing one single laser beam homogenized by isi with image relay based on the krf laser " heaven i ", laser beam diagnostics and shock - emission detection with streak camera have been established
中國原子能科學研究院博士學位論文本工作的主要結果是:在「天光一號」一路is工均勻化krf激光的基礎上,建立了打靶手段、光束診斷手段、沖擊波測量手段。Johnston ' s sketches, specifically, described a sleek warrior with wrist lasers, hidden rockets, darts, and even a magnetic tractor beam housed in the armor ' s breast plate
特別是約翰斯頓的草圖,描繪了一種圓滑的戰士盔甲,配備有手腕激光槍、暗藏的火箭、飛鏢,前胸甲板內甚至還有一臺磁性牽引波束裝置。Karath filled the cavernous hangar bays with two squadrons of agile sith fighters, which supplemented its formidable arsenal of 20 quad laser cannons, a tractor beam projector, two ion cannons and four turbolaser batteries
卡拉斯將它巨穴般的機庫裝了兩個中隊的輕快的西斯戰斗機,補充了它原先20門四聯激光加農炮,一個牽引波束投射器, 2門離子加農炮和4門渦輪激光炮的可怕裝備。Moreover, compensated for aberration of ball lens by designing phase compensating plate to get a higher energy utilization rate. third, combining with the light beam property of dwdm system, put forward taking fresnel lens array as fiber arrayed collimator, designed differently structured lens array and discovered the arrayed collimator loss property, which compared with the existing parameter of fiber collimator, embodies many advantages as arrayed collimator
結合密集波分復用系統的光束耦合特點,提出用菲涅爾透鏡列陣做光纖陣列準直器,並設計不同結構的透鏡列陣,得出了該陣列準直器的光束耦合損耗特徵,與現有的光纖準直器的參數相比,體現出用菲涅爾透鏡列陣作陣列光纖準直器的諸多優勢。Method of measurement of centre beam intensity and beam angle of reflector lamps
反光燈的中心波束強度及波束張角的測量方法On the radiation range of l - 4gw / cm2, the effects of the modulation in intensity, beam aperture, pulse width and intensity of 3 w on tsrs in frequency convector crystals have been analyzed in detail. the interrelated thresholds have been gained by calculating and theoretical evidences have been offered to prevent tsrs from damaging frequency conversion crystals, which will be applied to the engineering design of the laser drivers on high - fluence
光的強度調制、光束口徑、脈寬和強度等因素對諧波轉換晶體中tsrs的影響,並計算得出了一些相關闡值,得到了驅動器工作的臨界狀態,為防止出現tsrs的光損傷提供了理論依據,對高功率激光驅動器的工程設計具有實用價值。This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up
全文共分八章,取得的主要成果及創新點如下: ( 1 )首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理,在考慮如下物理過程和參量的基礎上:光與物質的雙光子相互作用; stokes光的傍軸衍射; langevin (郎茲萬)噪聲源;晶體表面反射和端面反射;增益系數、光束口徑、脈寬和三倍頻光能量密度,推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。The task will be completed by designing 3mm quasi - optical resonator to get small waist radius of gaussian beam existing in quasi - optical resonators. the 3mm quasi - optical resonator test system is built and the test soft is written in vc + + language. we test on dielectric plates, then realize sweep test of large - area sample by adjusting move set to get dielectrical parameter distribution
本課題擬通過設計3mm開放式諧振腔,使開放式諧振腔中傳播的高斯波束的束腰半徑盡可能小,組建3mm準光學諧振腔測試系統,編寫測試軟體,對介質片進行測試,調節移動裝置,實現對大面積介質片的掃描測試,從而測得介質片介電性能的分佈。The collimating microlens for semconductor lasers are designed and the simulated results are provided
本文還提出了一種新型的大功率激光二極體棒的多波長光束耦合技術。分享友人