nonlinear absorption 中文意思是什麼

nonlinear absorption 解釋
非線性吸收
  • nonlinear : 非線性的
  • absorption : n. 1. 吸收，合併。2. 專心，一心不亂，熱中 （in）。3. 〈口語〉飲食。
  1. In this paper matlab and vb are used to build a software which can predict absorption coefficient ' s of the underwater anechoic coatings from these analytical models. finally, some algorithm of the single parameter minimization, nonrestraint nonlinear minimization and restraint minimization in the optimization design theory are studied. the formulas of absorption coefficient of these analytical models are object functions

    本論文利用各種解析模型的聲學設計理論，使用matlab與vb軟體建立了一套水下消聲覆蓋層吸聲系數預報軟體，研究了最優化設計中單參數最小化、無約束非線性最小化和有約束最小化理論的一些演算法，利用現有模型的吸聲系數計算公式作為目標函數，初步優化了一些結構的材料參數。
  2. The linear and nonlinear optical properties of these compounds have been systematically studied. the following parts are included in this thesis : one - photon and two - photon fluorescence ; upconversion superradiance and cavity lasing properties ; the optical power limiting effect of these compounds ; and so on. tpa absorption coefficients have been got by z - scan method

    3 、系統研究了它們的線性和非線性光學性質，主要包括：單、雙光子熒光，上轉換超輻射和腔激射性能及其效率，光限幅效應，用z - scan的方法得到了其雙光子吸收截面。
  3. Then the nonlinear reverse saturable absorption measurements of composite materials were performed with a frequency - doubled q switched nd : yag laser with 8ns laser pulse at 532nm. the factors that affect the performance of reverse saturable absorption and optical limiting of the materials were discussed. a phenomenological model is used to describe optical limiting phenomena

    用波長為532nm的yag倍頻調q脈沖激光以8ns的脈沖速率測試復合材料的反飽和吸收的光限幅特性，討論了各種因素對材料的三階非線性光學性質及反飽和吸收光限幅特性的影響，並對它們的反飽和吸收的光限幅現象進行了理論擬合。
  4. Cadmium germanium arsenide, cdgeas2, has promising advantage for its attractive nonlinear optical properties in all chalcopyrite semiconductors. it has an extremely high nonlinear coefficient, a wide infrared transparency range, but crystal of cdgeas2 has a strong absorption at 5. 5 m which related to a native acceptor - defect

    砷化鍺鎘晶體（ cdgeas2 ）是黃銅礦類半導體晶體中綜合性能最優者，其非線性光學系數和遠紅外區透過率很高，但其在中紅外區5 . 5 m有較強的吸收。
  5. 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。
  6. On the basis of the linear theory of resonant absorption, nonlinear effect is taken into account in the wave dynamics

    我們在線性共振吸收理論的基礎上，對波動耗散過程中的非線性效應做了進一步的研究。
  7. The nonlinear reverse saturable absorption measurements of composite materials were performed with a frequency - doubled q switched nd : yag laser. appreciable effect of optical limiting was observed in the experiments

    用yag倍頻調q脈沖激光器測試了復合材料的非線性反飽和吸收性質，發現材料具有明顯的光限幅效應。
  8. Moreover, for co ( ii ) - porphyrin and fe ( iii ) - porphyrin, nonlinear optical absorption and optical limiting properties are studied respectively. results suggest that fe - porphyrin probably become a potential candidate as optical limiting material excited by wavelength 514. 5nm ar + laser

    在第四章，研究了鐵卟啉（ fe （ ） tppcl ）和鈷卟啉（ co （ ） tpp ）的非線性吸收和熱自散焦光限幅特性。
  9. To accelerate the development of next generation high dwdm system, the pape r also researches the property of gain. based on optical wave nonlinear transmission equation, the gain model of fra is established. by the way of numerical analysis, it is obtained that the gain of fra has relation with pump power, input signal wave power, the effective area and absorption of fiber. the obtained conclusion has definite instruction to the design of fra

    為了促進下一代超高速dwdm密集波分復用技術的發展，本文還研究了光纖喇曼放大器的增益特性，根據光波非線性傳輸方程建立光纖喇曼放大器增益模型，通過數值模擬分析了泵浦波功率、信號輸入光功率、以及光纖有效面積和損耗對光纖喇曼放大器增益的影響，得出了一些對光纖喇曼放大器的設計有一定的指導意義的結論。
  10. The theoretical analysis show that the nonlinear absorption for the probe light in the coherent atoms increases rapidly from zero to the steady state through a transient process when signal light is switched on

    計算表明在信號光開啟后的瞬間，介質對探針光的非線性吸收從接近於零的狀態迅速增加，經過一個短暫的瞬態過程到達穩態。
  11. These differences are connected with the nonlinear relationship between potential and density and the strong absorption of the composite projectiles.

    這些差別與電勢和密度之間的非線性關系有關，也與復雜的入射粒子的強烈吸收有關。
  12. This paper introduce the development of the antilaser nonlinear optics nonlinear optical mateials and the idea of the reverse saturable absorption

    本論文闡述了激光防護的發展概況，介紹了非線性光學、有機非線性光學材料現狀和反飽和吸收理論。
  13. Because of the nonlinear effect caused by flow pattern, oil diameter and absorption coefficient etc, it is difficult to establish the measurement model

    但由於受流型、油泡直徑及吸收系數等因素的非線性影響，使得測量模型難于建立。
  14. Their optical properties are characterized by z - can technique, uv - visible absorption spectrum and so on. the experimental results indicate that although large nonlinear refractive index is observed in two pbs / cds systems with different band gap, the sample of bigger band gap exhibit obvious nonlinear absorption in the range of nonresonance

    另外，我們改變制備條件，得到了光學帶隙不同的pbs cds納米復合體系，並採用z -掃描技術研究了它們的非線性光學性質。兩個樣品都具有大的非線性折射率，但光學帶隙大的樣品在非共振區域表現出明顯的非線性吸收。
  15. Study on the nonlinear refractive index and the nonlinear absorption coefficient of thin films

    薄膜材料的非線性折射率和非線性吸收系數研究
  16. Through connecting experiment results with theories the third - order nonlinear refractive index and nonlinear absorption coefficient are calculated

    根據z -掃描實驗曲線和理論公式，可以計算出非線性折射率和非線性吸收。
  17. We carried out closed - aperture and open - aperture z - scan experiments. but we did not obtain the open - aperture z - scan curve, which indicate that the samples " nonlinear absorption are extremely small, therefore the nonlinear absorption could be neglected

    採用z -掃描法對樣品進行了閉孔、開孔z -掃描實驗，但未測出開孔z -掃描曲線，說明樣品溶液的非線性吸收非常小，可以忽略不計。
  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。
  19. The nonlinear absorption coefficient ( b ), the nonlinear refractive coefficient ( n2 ) and the third - order nonlinear susceptibility ( x ( 3 ) ) of three monomers and some polymers were fitted and calculated. the relationship between nonlinear optical properties and molecular structures was discussed

    對它們的非線性吸收和非線性折射進行擬合，計算得到非線性吸收系數、折射率n以及三階非線性系數x ~ （ 3 ） ，並探討了分子結構和材料性能之間的關系。
  20. According to m. sheik - bahae ' s theory the sample has a negative nonlinear refractive index under 1064 nm pulse laser. it was determined as 6. 5 x 10 - 21 m2 / w. meanwhile, the minimum value of normalized transmittance of z - scan curves without aperture are found at the focus, and indicate that nickel one - nuclear complexes have nonlinear absorption properties

    同時開孔z掃描曲線在焦點處出現透過率的最小值，表明它具有非線性吸收特性，其非線性折射率為6 . 5 、 10一， ， mz / w ;我們還利用歸一化透過率曲線算得了這兩種鎳單核配合物的三階非線性極化率的實部。
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