excitation wavelength 中文意思是什麼

excitation wavelength 解釋
激發波長
  • excitation : n. 1. 刺激,興奮,激發,鼓舞。2. 【物理學】激發;【電學】激勵、勵磁。3. 【植物;植物學】激感(現象)。
  • wavelength : 【無線電】波長。
  1. The he - ne laser with the wavelength of 632. 8nm, when was interacting on the pd wire, which loading ratio is 0. 6, we gain the apparent " excess heat " by the excitation

    而且,在he - ne激光器發出的波長為632 . 8nm激光的照射作用下,在充氫率為0 . 6時,曾一度觀測出明顯的「過熱」現象。
  2. Under visible light excitation titanic acid and titanate sodium nanotubes showed a relatively intense emission, which red shifts with the increase of excitation wavelength. under humid conditions this photoluminescence of titanic acid nanotubes was not stable. the intensity decreased, and the emission peak was at 480nm, which cannot shift with the change of excitation wavelength

    鈦酸和鈦酸鈉納米管在使用可見光激發時,都能產生光致發光現象,當使用不同波長的可見光激發鈦酸和鈦酸鈉納米管時,能夠得到不同強度的發光譜帶,且發光峰的位置隨著激發光的變化發生較大范圍的移動。
  3. Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases

    本文在sheppard和gumin等人的理論基礎上,利用fourier光學成像理論,討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像特性的影響,導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數,得到了它們在不同激發波長與熒光波長比值時具體的表達式,並且通過數值計算,得到了它們的曲線圖,結果表明:隨著激發波長與熒光波長比值的增加,焦斑的橫向分佈和縱向分佈變窄,橫向解析度和縱向解析度提高,系統的成像效果變好,當激發波長與熒光波長的比值下降到一定程度時,可以看到不同程度的失錐現象。
  4. Proof of distributed feedback was the tuning of the laser wavelength over 130°a by changing the grating period, and the absence of shift in wavelength with increasing excitation current.

    存在分佈反饋的證據是,改變光柵周期可使激光波長在130A范圍內變化以及波長不隨激發電流的增大而移動。
  5. The wavelength of pump light in white light mode is 400nm. 2. the excitonic tunneling from cdznse qw to cdse quantum dots under resonant excitation was investigated using femtosecond pump - probe technology on the cdznse quantum well / cdse quantum dots structure

    用飛秒脈沖泵浦-探測方法研究了cdse量子點znse cdznse量子阱結構在對cdznse量子阱的激子共振激發條件下激子在量子阱與量子點之間的隧穿。
  6. Because of the nonlinear effect, the imaging property of two - photon confocal microscopy is very different from that of the conventional confocal microscopy. that the fluorescent wavelength equals to the excitation wavelength has been discussed theoretically as we know

    在僅有的理論研究中,絕大多數文獻都只是討論了熒光波長等於激發波長這一特殊情況,很少討論不同熒光波長對共焦顯微鏡成像特性的影響。
  7. In part three, the normal raman and resonant raman scattering spectra of single - walled carbon nanotubes are measured at 457. 5nm and 632. 8nm laser excitation wavelength. by theoretical analysis, the diameter distributions of swnts were obtained, style and configuration parameter were speculated furtherly

    研究了在兩種不同激發波長下的單壁碳納米管的拉曼光譜,用457 . 5nm和632 . 8nrn兩種不同的激發光分別測得了單壁碳納米管的正常拉曼光譜和共振拉曼光譜。
  8. In the third section, i. e. chapter five, the normal raman spectra of nil2, cul2, pdl2 powder are studied under the excitation of laser with the wavelength of 632. 8nm and aqueous silver colloid is prepared by pulsed laser ablation, from which the surface enhanced raman spectra of the three compounds are obtained. after preliminary assignment, the identical and different features of vibration of the compounds due to the different central metal atoms are analyzed

    第三部分,即論文的第五章,我們以632 . 8nln為激發波長研究了nilz 、 culz和pdl :三種新型金屬有機化合物粉末的正常拉曼光譜,並且以脈沖激光刻蝕法制備了水銀膠,以其為襯底研究了三種化合物溶液在其上的表面增強拉曼光譜,通過對其拉曼光譜進行了初步指認,了解由於中心原子的不同,三種金屬有機化合物分子振動的相同和區別。
  9. Secondly, the third order nonlinear optical properties of these compounds are studied under the excitation of ps pulsed laser with the wavelength of 1064nm using z - scan technique, nonlinear refractive indices and nonlinear absorption coefficients are calculated according to the z - scan experiment curves of the compounds. all the three compounds have self defocusing characters and two photon absorptions. lastly, nonlinear refraction and absorption properties of these compounds are studied by z - scan technique under the excitation of ps pulsed laser with the wavelength of 532nm the self defocusing and reverse saturation absorption are found in these compounds

    根據實驗曲線計算了它們在1064nm下的三階非線性折射率和非線性吸收系數,三種化合物都具有自聚焦特性,並且在該波長下,三種化合物均具有雙光子吸收,最後,以皮秒脈沖的532nm為激發波長,採用z掃描方法,研究了三種金屬有機化合物的非線性折射和非線性吸收性質,在該波長下三種化合物仍然表現為自聚焦特性,且其吸收為反飽和吸收。
  10. Color quality of a color stimulus definable by its chromaticity coordinates, or by its dominant ( or complementary ) wavelength and its excitation purity taken together

    可由色度坐標或結合其主要(或補充)波長和相應的激發純度來定義的色刺激值。
  11. 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。
  12. As heavy oil has fairly high aromatic hydrocarbon compound characterized by a wide range of components, the application of three - dimensional fluorescence pattern composed of excitation wavelength, emission wavelength and fluorescence intensity can detect the composition, intensity and characteristics of aromatic hydrocarbon compound

    摘要根據重質油含有芳香烴化合物的組成范圍很寬、含量較高的特點,應用由激發波長、發射波長和熒光強度組成的三維熒光圖譜,可以檢測芳烴化合物組成、強度及其特徵。
  13. Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers

    文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔,分別獲得了高產率和高分子量的聚苯乙炔.使用uv , ir , nmr , gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究,詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現,不同聚合物結構對聚合物熒光性能產生很大影響,規整性高的聚合物,將有較高的發光量子效率;聚合物規整性差,將可能導致多個熒光發光結構點,其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息
  14. < uk > proof of distributed feedback was the tuning of the laser wavelength over 130 a by changing the grating period, and the absence of shift in wavelength with increasing excitation current. < / uk >

    < uk >存在分佈反饋的證據是,改變光柵周期可使激光波長在130 a范圍內變化以及波長不隨激發電流的增大而移動。 < / uk >
  15. Since the carrier mobility in organic materials is very low, no collision excitation is possible. the short wavelength peak is due to direct bombardment by electrons from sic > 2. we name this luminescence as cathodoluminescence - like ( cl - like ) emission or solid state cathode luminescence because the energized electrons are accelerated in solid instead of in vacuum

    這樣在有機層中的電子數是nl n計n汁n ,空穴數是p n ( n是類陰極射線激發出的電子,也是類陰極射線激發出的空穴兒這兩類載流子的復合將比單純有機發光的復合nip增加了( n計n葉n )叮( l n計n葉n ) n 。
  16. The indicators quin - 2, indo - land fura - 2 have the advantage of wavelength - shift upon binding ca2 + but share a common drawback in that the excitation bands for these indicators occur at uv wavelength ( 340 - 360nm ), where autofluorescence from cells is high, radiation - damage of cellular structures is serious, the transmission of microscope optics is poor, and the availability of aberration - corrected optics for confocal microscopy is limited

    迄今為止,尚未見既可長波激發、又與ca ~ ( 2 + )結合后熒光峰位移、且對胞內ca ~ ( 2 + )測定具特異性、可在亞細胞水平進行ca ~ ( 2 + )測定的整體性能優良的鈣熒光探針及其在生命科學中的應用研究報道。
  17. 3. the pl results of si - sio2 films show that emission spectra of samples have 4 luminescent band peak at 320nm, 410nm, 560nm, and630nm, respectively, at room temperature, ta, the excitation wavelength, argon pressure et al

    三根據pl譜,分析了si一510 :薄膜樣品的室溫光致發光現象,樣品有一320 ,翻,一410nm ,一56onm和一630nm四個pl峰,它們的pl峰是相互分離的。
  18. Measurements had been performed under a ps laser excitation at 1064nm and 532nm using the z - scan technique. the real part of x ( 3 ) showed positive nonlinearity for both measured wavelength. nonlinear absorption evidently existed that attributed to saturation absorption process

    在1064lun和532run激光波長下,多孔硅的實部均為一個正值,樣品存在明顯的非線性吸收,這種吸收與飽和吸收相對應。
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