消光比 的英文怎麼說

中文拼音 [xiāoguāngbǐ]
消光比 英文
extinction ratio
  • 消 : 動詞1 （消失） disappear; vanish 2 （使消失; 消除） eliminate; dispel; remove 3 （度過; 消遣） pa...
  • 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） ...
  • 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...
  1. We collect distributing of near - field of optical switch output - port. using gaussian curve fit, we measure the extinction ratio of " bar channel " is 8db, and the extinction ratio of " cross channel " is more than 18db

    利用紅外攝像機採集的光開關輸出的近場分佈，採用對場光場能量高斯擬合的近似方法，測得該關注入光開關的直通端的消光比可以達到8db ，而反射端的消光比則至少可以達到18db以上。
  2. The specifications of the intensity modulator at 1. 3 m involved with extinction ratio better than 25 db, and low drive voltage, and wide operation band width and so on

    該強度調制器工作於1 . 3 m ，具有大於25db的消光比、低驅動電壓、寬工作帶寬的特點。
  3. The specifications of the intensity modulator at 1. 054 m involved with extinction ratio better than 50 db, and low drive voltage, and wide operation band width and so on

    該強度調制器工作於1 . 054 m ，具有大於50db的消光比、低驅動電壓、寬工作帶寬的特點。
  4. Because of their fine extinction ratio and high anti - light - damage threshold value, laser - polarizing prisms are popular among workers in science and technology field

    激光偏光棱鏡，以其優良的消光比性能和高抗光損傷閾值性能，倍受科技工作者歡迎。
  5. Test method for extinction ratio of nd : yag laser rods

    摻釹釔鋁石榴石激光棒消光比的測量方法
  6. In order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )

    與張瑞英博士一起，首次利用該種有源區結構制備出偏振不靈敏半導體光放大器，並在0 - 200ma注入電流范圍內獲得33nm的3db帶寬，在不同信號波長，不同信號功率0 - 200ma的注入電流范圍內，偏振相關損耗均《 0 . 9db ，在耦合差損為7db / facet的條件下，最大fiber - to - fiher增益達10db ，無損操作電流為50 - 70ma ，消光比達50db以上，而噪聲指數則低於8db ，最小可達4 . 6db 。
  7. 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。
  8. Some conclusions about the length and the splice angle of the depolarizer, the spectrum of the light source and the extinction ratio of the polarizer are obtained. associated with the polarization in the sensing coil and the principle of the pmd analyzer, one method to design the length of the lyot depolarizer has been put forward

    首先，本文分析了lyot消偏器對完全偏振光與非完全偏振光的消偏作用，由此得出了關于lyot消偏器的長度和結合角、光源光譜以及與消偏器配合的起偏器消光比的一些結論。
  9. Test method for extinction ratio of ln, kdp and kd p electrooptic crystal

    電光晶體鈮酸鋰磷酸二氫鉀和磷酸二氘鉀消光比的測定方法
  10. The optical switch with double - heterostructure gaas / gaalas has low switching - voltage and light loss. and the boa - type optical switch utilizes maximum modal dispersion ( a p ), does not require a specific fabrication length or length range to operate, has simple structure, and can exhibit very high extinction - ration from its two output ports ; so it is suitable for a 2 x 2 unit of optical switch array

    而boa型結構（或稱為零間隙定向耦合型）光開關利用了最大的模色散（ ） ，不需要嚴格控制特殊的製造長度或製造范圍，結構簡單，從其兩個輸出端可以得到很高的消光比，是一種很好的2 2波導型光開關單元，同時也是光開關陣列的一種較好的選擇。
  11. The normal polarizing device is made of iceland crystal that is based on birefringence of crystal. its merit is high extinction ratio, high transmission and wide wavelength

    一般的起偏器件和檢偏器件是利用晶體的雙折射特性設計而成，其優點是：消光比和透射比高，適用的光譜范圍大。
  12. The results of property test of dkdp crystal grown on a point seed show that laser damage threshold is about 5gw / cm2, ? half - wave voltage is about 4kv, extinction ratio is about 1600 : l. the obvious difference of dkdp crystals is not found between traditional technique and point seed growth technique

    性能測試結果表明，點狀籽晶全方位生長的dkdp晶體的激光損傷閾值約為5gw cm ~ 2 、半波電壓約為4kv 、動態消光比約為1600 ： 1 ，發現與傳統方法生長晶體的性能沒有明顯的差別。
  13. According to the principle of correlation detection, an automatic measurement system for extinction ratio of polarizer consisted of monochromator and dsp lock - in amplifier and compurer is designed not only to eliminate the influence on measurement accuracy caused by drift of intensity of light source but also to obatain approximate extinction spectrum

    摘要基於相干檢測原理設計了一套由單色儀、數字鎖相放大器和計算機聯合使用的透射式偏光鏡消光比智能化測試實驗系統，採用雙頻雙光路分光單探測器接收鎖相放大器分離信號比對法進行源補償測量，克服了光源光強漂移所帶來的影響；實現了可見光區消光比的精確自動測量，而且可以測得近似的消光光譜。
  14. On the basis of rate equations of frsl, power characteristics and extinction ratio of the converted light are discussed. the relation between relaxation oscillation, small - signal modulation response, modulation bandwidth and the length of fiber ring cavity is analyzed also

    根據frsl滿足的單模速率方程，討論了採用frsl進行波長轉換時轉換光的功率特性和消光比，以及frsl的弛豫振蕩特性、小信號調制響應、調制帶寬與光纖環形腔長度的關系。
  15. The technical breakthroughs in growth of nd : cngg had been made. in particular, continuous laser operation was achieved from nd : cngg pumped by ld. when the crystal wafer was end - pumped by one bar of ld with 807nm wavelength, the cw laser output power of 123. 1 mw was obtained with slope efficiency of 22. 3 %

    本論文用自動化熔體提拉技術成功生長出< 111 >方向的直徑25mm以上，長度80mm以上的平界面無核心nd : cngg單晶，確定了晶體結構和物相，測量了晶體的光譜性能，晶體消光比達到34db ，晶體生長技術有新的突破，實現了連續激光運轉，用單支807nm半導體激光二極體端面泵浦該晶體片子，在國內首次獲得123 . 1mw的1 . 062 m連續激光輸出，斜效率達22 . 3 % 。
  16. Based on the enlarged waveguide y - branch, we introduced the sheared y - branch tir structure. after analyzing the structure parameters of the sheared asymmetrical y - branch, the extinction ratio of the tir optical switch can be more than 40db in theory. by wet erode, we finished photon - induce total internal reflection y branch optical switch with gaas material

    在展寬型y分叉的基礎上，提出了隔離型非對稱y分叉全內反射結構，通過對隔離型非對稱y分叉的結構參數的分析，在理論上可以設計出消光比達到40db以上的全內反射型光開光。
  17. In order to realize low half - wave voltage, high polarzation extinction ratio, low pigtailing polarization crosstalk, low insert loss, precise tapped power ( ratio ) and good splitting beam ratio, the optimum design was performed

    為了實現低的半波電壓、高的偏振消光比、低尾纖串音、低插入損耗、精確的抽頭功率比和良好的分束比，我們對器件結構進行了優化設計。
  18. Fibre optic communication subsystem test procedures - digital systems - optical eye pattern, waveform and extinction ratio measurement

    光纖通信子系統試驗程序.數字系統.光眼圖波形和消光比測量
  19. Fibre optic communication subsystem test procedures - part 2 - 2 : digital systems - optical eye pattern waveform, and extinction ratio measurement

    纖維光學通信子系統試驗規程.第2 - 2部分:數字系統.光眼圖波形和消光比測量
  20. Fibre optic communication subsystem test procedures - part 2 - 2 : digital systems - optical eye pattern, waveform, and extinction ratio measurement

    纖維光學通信子系統試驗程序.第2 - 2部分:數字系統.光眼圖波形和消光比的測量
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