比折射率 的英文怎麼說

中文拼音 [bǐzhéshèlǜ]
比折射率 英文
specific refraction
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 折 : 折動詞[口語]1. （翻轉） roll over; turn over 2. （倒過來倒過去） pour back and forth between two containers
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. In this paper, we design a new film stack by use of multi - frequency design idea, which decrease the film thickness of high refraction layers greatly, and the damage threshold of it will be improved hopefully. and at the base of this film stack, by optimizing the film thickness of several outmost layers, we design the hr film at 45 incidence for 632. 8nm and 1315nm with 180 ? or 90 phase retardance at 1315nm

    隨著高功率coil輸出功率的進一步提高，傳統的設計膜系已逐漸不能滿足需要，為此我們利用倍頻的沒計思想，設計出了一種新的高反射膜系，與傳統的設計膜系相比，此膜系大大降低了高折射率層的厚度，使得膜系的損傷閩值有望得到極大提高。
  2. Compared with current instruments, the setup can decrease disturbance of disorder radiation by using double layer refractive index sample matching vessel, and it can increase collecting and transmitting efficiency of radiation by adopting single mode fiber with gradient refractive index lens. with a low power laser, the sample has a low scathe, and the laser and the measurement system can be integrated conveniently

    與現有的同類型儀器相比，該儀器採用雙層折射率樣品匹配池減少了雜散光的干擾；採用帶梯度折射率透鏡的單模光纖接收、傳輸散射光信號提高了散射光的收集傳輸效率；用低強度的激光避免了對樣品的輻射損傷，同時可以使激光器和系統集成在一起，整個系統小型實用。
  3. The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind

    研究結果表明， （ a ）熱處理前，隨著基片溫度的增加，薄膜中的低價氧化鈦含量逐漸減少，化學計量比趨于o ti = 2 ；薄膜具有非晶態不緻密的柱狀纖維結構，柱狀纖維的尺寸隨基片溫度的升高而增加;薄膜在可見光范圍內透明，在波長為35onzn時嚴重吸收，利用干涉級次法分析了薄膜的光學常數，結果表明，薄膜的折射率隨基片溫度的升高而增加，根據計算結果得到了tioz薄膜在不同基片溫度下的折射率色散曲線。
  4. The dispersion caused from the chromatic aberrations of lens is smaller than that from diffraction effects of it

    與衍射效應產生的色散相比，透鏡本身的折射率色散很小。
  5. The thickness of film is frequent non - uniform, and factors are a good many. in practice, the production of uniform - thickness coatings from geometric position in the vacuum chamber

    研究表明，使用等離子體源輔助沉積的光學薄膜折射率明顯提高，更加接近於塊狀材料，膜層結構比傳統沉積手段更加緻密，附著力也很高。
  6. From maxwell equations the refractive index equation and hamilton - jacobi equation, which describe the evolution of the electric field, are derived including the effects of the diffraction, the third - order intensity - dependent nonlinearity, plasma defocusing, the focusing and defocusing of the plasma channel, and the relativistic self - focusing

    從maxwell方程出發我們得到了兩個包含衍射、三階強度非線性、等離子體散焦、等離子體隧道聚焦和散焦以及相對論自聚焦等效應在內的激光場演化方程，即折射率方程和哈密頓-雅可比方程。
  7. But an alternative simpler method is through the proton exchange ( pe ) process at lower temperature. pe waveguides exhibit larger increment of the index and lower waveguide loss than ti indiffusion waveguides. however, pe waveguide devices have n ' t been fully mature

    質子交換與傳統的鈦擴散工藝相比製作十分簡單，制備的波導具有較高的折射率增量、較小的波導損耗、較強的抗光折變能力，不但能大大降低成本而且還可以提高性能，但是質子交換波導器件目前尚未成熟。
  8. We can see from the formula 8 = ? 2 n d ( ne - n0 ) / x that the retardation will be independent on wavelength if the refraction indices have direct ratio to wavelength, then we will get the achromatic optical phase retarders

    根據關系式2 d （ n _ e - n _ o ）可知，如果材料的雙折射率與波長成正比，延遲量便與波長無關，即可獲得消色差相位延遲器。
  9. Diamonds are believed to have mystical powers to ward off any dangers and to protect the wearer from bad dreams and demons. one very important trait to remember about diamonds is that they enhance the power of other stones

    鉆石具有較高的折射率和色散率，所以人們按照經科學計算的切割比例和精確的加工工藝對它進行琢磨使其亮度、火彩予以充分展露，這就是鉆石璀璨奪目奧秘所在。
  10. Even its name is derived from the greek word adamas, which means invincible. aristocratic families wore diamonds to ward off the plague that hit europe, black death. diamonds are believed to have mystical powers to ward off any dangers and to protect the wearer from bad dreams and demons

    鉆石具有較高的折射率和色散率，所以人們按照經科學計算的切割比例和精確的加工工藝對它進行琢磨使其亮度火彩予以充分展露，這就是鉆石璀璨奪目奧秘所在。
  11. A new accurate method for measuring the birefringence of muscovite mica has been reported in terms of the dispersion relations of the indices and the variety relations between the phase delay and the wavelength

    摘要根據雲母折射率的色散關系和相位延遲隨波長變化關系，給出了一種測量雙折射率比較精確的方法。
  12. The characteristics of each rainbow for an inhomogeneous particle are studied here using lorenz - mie theory. the relation of the positions of airy peaks to each order rainbow with the profile of refractive index is simulated and discussed, which is compared with the results simulated by ray tracing theory

    本文還利用lorenz mie理論分析了非均勻球粒子各階彩虹的強度和頻譜分佈特點，利用ifft方法重建了各階彩虹的強度分佈；分析研究了各階彩虹的airy峰角位置與折射率分佈的關系，並與非均勻粒子射線追跡理論的模擬結果進行比較。
  13. It combines the advantages of ultrasound and optical technology. ultrasonic wave scatters much less in biological tissue than light wave and can be used as a localizer in tissue. the diffused photons tagged by the ultrasound in the focal zone will be collected and used for image

    超聲調制主要是使散射介質內的散射粒子的分佈以及光學特性發生變化，比如說使介質的折射率發生改變而導致光學相位變化，結合散射和自相關理論可以解釋一些超聲調制多重散射光的現象。
  14. The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time

    Ktp晶體的電光應用試驗表明：用離子交換法製作的電光波導，其離子交換濃度、折射率變化符合餘弦誤差函數，光學均勻性以及器件的溫度穩定性較好；製作的強度調制電光開關，消光比為150 ： 1 ，對1064nm激光的插入損耗為2 . 5 ；製作的電光調制器用於激光脈沖整形試驗，從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖，該電光開關經過長達三年多的使用，沒有出現晶體變黑現象，說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。
  15. The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field

    具體工作可以概括如下：首先，研究了vcsel的熱場特性，分析了電流擴展，材料參數和工作條件對于溫度分佈的影響；其次，從電極電壓入手，計算出激光器中的等勢線分佈，並對不同深度處的電壓和電流分佈進行比較，研究了高阻區的不同位置和不同厚度、限制層和出射窗口半徑的大小對電流密度、載流子濃度和溫度分佈的影響；再次，實現了電、光、熱耦合，求出了閾值電壓，計算了不同偏置電壓下的電流密度分佈、載流子濃度分佈和熱場分佈，分析了溫度和載流子濃度變化對折射率、費米能級和光場的影響；最後，給出了考慮n - dbr和雙氧化限制層時激光器中的等勢線分佈，分析了n - dbr和雙氧化限制層對vcsel電流密度、載流子濃度、溫度和光場分佈的影響。
  16. This formula shows the change of the light transmission with the continuous change of incident angle and azimuth angle of incident light, and the refractive index of the glue and thickness of the glued layer of the prisms. the effect of wavelength is also studied

    解釋了激光偏光棱鏡的光強透射比隨光線的人射角、方位角、膠合層介質的折射率及膠合層的厚度的變化關系，還討論了人射波長的影響。
  17. Owing to their unique optical properties, such as low loss and large refractive index difference between silicon and silicon oxide, soi structures can not only be used to fabricate smart integrate photonic devices, but offer the ability to integrate photonic devices into the cmos integrated circuit ( ic ) process

    同時，它也具備許多優越的光學特性，比如低損耗（在通信波段） 、高折射率差，這使得它不但能用來製作靈巧緊湊的光集成器件，也為利用cmos微電子工藝實現光電集成提供了一個很好的平臺。
  18. In developing the planar lightwave circuits, the coupling loss between a waveguide with a high refractive index difference and a single mode fiber is considered. a novel spot - size converter based on a y - branch structure is proposed and numerical simulation results indicate that it can reduce the coupling loss effectively with low polarization dependent loss and good fabrication tolerance

    在平面波導光器件研製中，提出了高折射率差二氧化硅波導與光纖的新型低損耗連接，與現有波導單側變窄的結構相比較，有效的降低了連接損耗，同時具有偏振相關損耗低，工藝容差性好的優點。
  19. The contents of jadeite ' s mineral composition and rock types will influence the refractivity and specific density of jadeite directly

    摘要翡翠的礦物組成、巖石類型不同，將會對翡翠的比重、折射率產生直接的影響。
  20. In order to explain the phenmena, two supposes of " hole " and " polar - group rupture " are proposed, according to the tests of ir, density, refractive index, conductor volume resistivity, the aging model of pmma is confirmed likely

    通過其他實驗（如紅外光譜、測量密度、測量折射率、測量體積電阻率）的相互對比，基本上肯定了有機玻璃「極性基團斷裂」的熱老化模型。
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