激光的激發 的英文怎麼說
中文拼音 [jīguāngdejīfā]
激光的激發
英文
laser triggering- 激 : 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...
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 的 : 4次方是 The fourth power of 2 is direction
- 發 : 名詞(頭發) hair
- 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; ...
- 激發 : 1 (使奮發) arouse; stimulate; set off; stir up 2 [物理學] excitation; exciting; incitement; inc...
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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.激光束寬度發散角和束擴散率的試驗方法.一般象散束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.激光束寬度發散角和束擴散率的試驗方法.第2部分:一般像散束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.激光束寬度發散角和束擴散率的試驗方法.無象散和簡單象散束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.激光束寬度發散角和束擴散率的試驗方法.第1部分:無象散和簡單象散束Fig 3 excitation and emission spectra of indoles and its derivative in dmso
圖3吲哚及其衍生物的dmso溶液的激發和發射光譜。Some by - products of this work can be used as routine tools in the uv laser laboratory. commercial video ccd cameras are used to image uv laser and soft x rays, window glass as a fluorescer is used to indirectly measure the uv laser beam profile with high energy density, and a special glass which permits uv light to pass through while absorbs the visible, is introduced into the uv beam profiling in strong visible stray light environment
實驗中發展了一些測量技術,例如用可見光視頻ccd直接測量紫外激光的光束分佈和激光等離子體產生的x光二維圖象,利用窗玻璃作為熒光體測量能量密度較高的紫外光束分佈,利用可見吸收紫外透射玻璃製成的衰減器測量有嚴重背景光的紫外光束分佈,可以作為實驗室的常規測量工具,並有一定的推廣價值。This is the first generation holograph. aided by an abundance ot the new coherent laser light and extended by a number of technological advances, leith and upatnieks produced the off - axis hologram recorded and reconstructed by laser in 1962. the twin images can be separated in this hologram
隨著高相干度激光的出現, 1962年leith和upatnieks將通訊理論中的載頻概念推廣到空域中提出激光記錄、激光再現的離軸全息圖,分離了孿生像,使全息術進入了第二代全息圖的發展時期。Along with low optical fibers and high performance laser ' s development, optical fiber communication system and optical fiber passes system both need to be made a certain shape to produce various grow intervocalic oarts of apparatuses
隨著低損耗光纖和高性能激光器的發展,光纖通信系統和光纖傳感系統都需要把光纖彎曲成一定形狀製作各種光纖元器件。The beam from the laser l passes through the shutter s.
激光器L發出的光束經過快門S。Using this system will increase the efficiency when excimer laser amplifies ultra - short laser pulse without using any complex multiangular optics system. it is possibly to be a new way to gain high energy, high power, high quality, high efficiency ultra - short uv laser
如果成功,將能充分發揮準分子激光的優點,為產生高功率,高束質的短脈沖激光提供一條簡單、高效率的技術路線和途徑。The beam from the laser l passes through the shutter s, is spread by the objective lens.
激光器L發出的光束經過快門S,被物鏡所擴散。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。An atom on an excited upper level can execute a downward transition not just spontaneously but also when photons of the radiation field surrounding the atomic interact with it.
處在較高的激發態上的原子不只可以自發地而且可以在它與原子系統周圍輻射場的光子相互作用時發生向下的躍遷。The sims showed that the result of the concentration and the abundance ratio of li - 7 and li - 6 in the palladium wire were changed. it implied that the laser triggering on a pd wire with a low gas - loading ratio may have produced the nuclear process
並通過二次離子質譜儀( sims )測出了鈀絲中鋰- 7和鋰- 6的濃度變化和豐度比變化,說明在低充氫率的鈀絲中,在小功率激光的觸發下有產生核過程的可能。4. the nanoparticles of zns : eu3 + were synthesized for the first time. the energy transfer process between the zns host and the eu3 + ions was observed form the excitation spectra
合成納米zns : eu3 +和eu3 + 、 mn2 +共摻體系,首次成功通過eu3 +離子的本徵發光的激發譜觀察到基質zns向eu3 +離子有能量傳遞過程。For the zno : er obtained in the present paper, the room temperature sharp characteristic emissions from the trivalent rare earth er3 +, including upconversion and near infrared emissiom, and the energy transfer between the nanocrystalline zno host and the dopants are observed for the first time in this paper
首次觀測到zno : er的室溫強特徵發射、上轉換發射和近紅外發射,並同過er離子的本徵發光的激發譜觀測到基質zno與er3 +之間存在能量傳遞。Green fluorescent protein has several good characters. under excitation of long uv light or blue light, it emits green fluorescence without requiring any exogenous substrates and cofactors. gfp gene expression can be used to monitor gene expression and protein localization in living cells and organisms. this is a development of revolutionary significance. the dna sequence of this gene can be re - engineered by mutagenesis and the gfp will get improved fluorescent properties. the applications of gfp will be wider and wider
綠色熒光蛋白具有優良的特性,在藍光或長紫外光的激發下,不需要任何外源底物或內源輔助因子的參入就能發出綠色熒光.綠色熒光蛋白基因的表達可用來監控活細胞或生物體中基因表達和蛋白質的定位.這是一個革命性的進展.而且,對基因dna序列的改造有可能使綠色熒光蛋白的發光特性更加優良,從而其應用范圍會更加廣泛The emission spectrum under 970 nm ld excitation have also been acquired. in this spectrum, only a strong emission near 1540 nm wavelength can be observed
我們在發射波長為970nm的半導體激光器激發下< wp = 6 >測量了這種材料的發射譜,觀察到在紅外波段1540nm處有強發射峰。The zno particles are excited by ultraviolet ( uv ) exciting light ( 365 nm ), showing two photoluminescence ( pl ) peaks / bands, centered at 2. 90 ev ( blue ) and 2. 23 ~ 2. 41 ev ( yellow - green ), respectively. the intensity of the yellow - green band was reduced after the product had been annealed in n2 and o2 at 350 c for 1h. ultraviolet visible absorption spectrum shows that the zno absorbs ultraviolet light intensely
對于復合h ps zno結構的發光機制,認為是納米h價帶中的電子在紫外光的激發下,躍遷到zno的導帶,從而處于激發態,由於多孔硅的導帶比氧化鋅的導帶低, zno導帶中處于激發態的電子很快躍竄到多孔硅的導帶,然後再與h價帶中的空穴發生復合,發出可見光。Ytterbium ( yb ) - doped silica fibers have a broad - gain bandwidth ( 850 ~ 1050nm ), excellent power conversion efficiency, and a broad - absorption bandwidth ( 900 ~ 1200nm ). their ability to provide amplification over the very broad wavelength range from ~ 975nm to ~ 1200nm is expected to generate increasing interest in the near future. they offer an almost ideal gain medium for the fiber lasers and fiber amplifiers that work at the wavelength around 1 m
摻鐿石英光纖具有幾個方面的優點,如能級結構簡單,與摻er3 + 、 nd3 +等稀土離子的光纖相比,不存在對泵浦光或信號光的激發態吸收( esa ) ,可以有更高的摻雜濃度;有較寬的吸收光譜( 850 ~ 1050nm ) ,可以利用多種泵浦光源來設計泵浦方案;輻射光譜寬( 900 ~ 1200nm ) ,激光輸出波長可以有很寬的可調諧范圍。分享友人